Archive for category: Clean Water Access

Diamond Electrodes Provide Safe Water in Rural Africa

Water in Rural AfricaIn the continent of Africa, around 418 million people do not have access to safe drinking water and 779 million people live without basic sanitation. Narrowing in on sub-Saharan Africa, lack of clean water access occurs due to inadequate infrastructural investments, relentless droughts, a growing population and poor sanitation, which results in the contamination of water supplies. This leads to further problems such as the transmission of diseases including diarrhea, cholera, dysentery and typhoid, placing pressure on health care facilities. Water insecurity can also reduce life chances, especially for girls, as many have to walk long distances in search of water instead of attending school. This increases gender inequality and exacerbates the cycle of poverty. SafeWaterAfrica is an EU-funded project, first introduced in 2016, that aims to provide access to clean water in rural areas of Africa.

The SafeWaterAfrica Project

The SafeWaterAfrica initiative, coordinated by Fraunhofer IST, focuses on targeting water security sustainably and cost-effectively using a combination of pre-existing and new technology. It has developed an innovative water treatment system that will provide easier and safe access to water by efficiently removing harmful pathogens and pollutants. This will also create opportunities for jobs within communities as locals can operate the system, utilizing it as a source of reliable income.

There are two demonstrator plants already working in the water-stressed regions of Mozambique and South Africa, each successfully providing “100m3 of WHO-quality water per day” from river water. South Africa’s unit is near Johannesburg and has been in operation since September 2018. In Mozambique, the unit is in Ressano Garcia and first started providing safe water in April 2019. Due to the environmental and economic benefits of the project, it received the Solar Impulse Efficient Solution Label award from the Solar Impulse Foundation.

How It Works

Initially, the water undergoes pre-treatment where a salt coagulant converts pollutants into a precipitate which column filtration easily removes. The water is then disinfected and purified using “carbon-based electrochemical oxidation” where the water flows through electrochemical cells with diamond-coated electrodes. Next, two electrodes apply a low voltage current, producing ozone which works to decompose harmful microbes and pollutants, thereby making the water safe to drink. The plants are self-sufficient, sustainable and relatively low-cost because sunlight powers the systems through solar cells and batteries which also protect the environment.

Looking Forward

SafeWaterAfrica has provided accessible sources of safe water, enabling people to spend less time collecting water and increasing school attendance. This initiative has been of particular benefit to girls, as it enables them to pursue greater opportunities for future employment and escape poverty. The flexibility of the technology makes it easy to install in remote and rural areas across sub-Saharan Africa, allowing it to reach those most in need of a safe water supply.

Improved sources of water also lead to less expenditure on health, as people are less likely to become ill due to diseases resulting from that contaminated water. According to the WHO, globally, “more than 2 billion people live in water-stressed countries” and around “2 billion people use a drinking water source contaminated with feces.” In light of these facts, projects such as SafeWaterAfrica play a vital role in encouraging development, improving health and livelihood and maximizing future opportunities through the provision of safe water.

– Isla Wright
Photo: Flickr

Takeaways from the UN 2023 Water Conference

UN 2023 Water ConferenceFrom March 22-24, 2023, the first U.N. conference on water in the last 46 years took place in New York. With a doubling of the global population since the last conference in 1977, the need for access to clean water has skyrocketed, making this event all the more crucial.

Ensuring access to water and sanitation is one of the 17 interlinked sustainable development goals (SDG) to transform our world, set in 2015 by the United Nations as a call for action by all countries to end poverty.

However, despite the importance of water, the U.N.’s data on SDG 6 shows a bleak reality. According to the data released prior to the water conference, if current trends persist, by 2030, 1.6 billion people will still lack access to safely managed drinking water, 2.8 billion will not have access to safely managed sanitation facilities and 1.9 billion will be deprived of basic hand hygiene facilities.

Water is not only essential to health but also to food security and ecosystems, so it is closely connected to poverty reduction. It is essential to all industries and needs to be valued and treated as the vital resource it is. The United Nations Conference on Water is just the beginning of a global effort to ensure access to clean water for all.

U.N. 2023 Water Conference Takeaways

Five key themes were addressed during the conference: water for health, water for sustainable development, water for climate, resilience and environment, water for cooperation and Water Action Decade. Here are some of the most important takeaways:

  1. The Secretary-General of the United Nations, Antonio Guterres, emphasized the urgent need to modernize infrastructure and explore new public-private partnerships to manage the water crisis of the 21st century. He called for greater private sector investment in water and sanitation: regulating private sector participation would mean benefitting from data, management techniques and other resources previously unavailable. This was an idea echoed throughout the conference by most delegates.
  2. Water sanitation and hygiene (WASH) is a salient issue in promoting gender equality. In many countries, girls and women handle the oftentimes dangerous responsibility of retrieving water for their families, sometimes at the expense of their education. Delegates have agreed to massively invest in water and sanitation systems.
  3. Water is a crucial issue for achieving sustainable development goals, as 90% of natural disasters are water-related, and none of the other goals can be achieved without addressing the water crisis. Guterres also confirmed that water-linked natural catastrophes can be a source of heightened geopolitical and international tension, as they cause forced migrations and displacement of communities. The World Bank’s Groundswell report shows that disasters linked to water could cause up to 216 million people to move within their countries by 2050. Some of these tensions could be mitigated by putting water at the forefront of the political agenda.
  4. Water is rarely contained by borders; however, solutions often are, as they exist in geographies that are very local. Transboundary water cooperation is essential to scale up technological solutions globally, such as updates to wastewater and storm management systems to better handle sudden surges in water levels.
  5. Finally, after a mention by most, if not all, delegates, the conference concluded with the appointment of a U.N. special envoy for water to keep the issue high on the political agenda and raise awareness of SDG 6 and investment opportunities in water.

Importantly, contributing internationally to improve a capacity for water security is not about aid. Rather, it is an investment that is going to pay off for donor countries as well. Clean water supports lives, creates jobs and drives inclusive economic growth, all while ensuring sustainable development. It should be seen as a fundamental platform for economic prosperity and development, rather than an environmental issue.

Overall, the U.N. 2023 Water Conference provided invaluable insight into the most pressing water-related issues facing our planet, such as water sanitation and hygiene, climate resilience and transboundary cooperation. It has also emphasized the need for public-private partnerships and innovative financing mechanisms to support the development of water infrastructure.

To achieve Sustainable Development Goal 6 by 2030, global leaders need to remain ambitious and continue to work together to ensure that all individuals have access to sustainably managed water and sanitation services. The appointment of a U.N. special envoy for water is a promising step in the right direction to ensure that no one is left behind.

– Hanna Bernard
Photo: Flickr

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India’s Water Crisis and a Clean Yamuna River 

India's Water Crisis
India’s water crisis is a struggle that millions of people are facing. As summer approaches, bringing heat waves and dry spells with it, the necessity for clean and accessible water is extreme. In May 2022, the city government of New Delhi proposed an action plan to provide sewage connections to more than 25,000 houses in East Delhi. The proposed plan also emphasizes taking steps to clean the Yamuna River, which snakes through India’s north-central region. Delhi’s vision of a clean Yamuna River offers an optimistic gaze into India’s future.

Water Crisis That Millions Feel

India’s water crisis is an ongoing struggle. Underdeveloped infrastructure and an unstable agricultural sector due to land infertility and increasingly severe droughts have brought the crisis on. Groundwater depletion occurs at alarming rates due to over-usage of water, and extreme pollution causes water contamination. A prevalence of arsenic, sulfur and fluoride is in the water people are consuming. In 2017, researchers from the WHO/UNICEF Joint Monitoring Program (JMP) reported that more than half of India’s population does not have access to potable water. India’s water situation fuels health concerns and hinders agricultural production and employment, trapping an increasing number of people into poverty.

A glance at India’s longest tributary, the Yamuna River, offers a dire look at the nation’s struggle for clean water. The Yamuna flows south through Delhi, where an estimated 80% of the pollution comes from. Beyond the floating piles of trash that collect along the shores, evidence of polluted water comes in the form of froth. Detergents and other chemicals in the untreated water that goes into the river produce these buildups of foam. The pollution entering the river from Delhi flows south into the states of Haryana and Uttar Pradesh, India, putting more people at risk.

Despite the water crisis, Delhi’s population has had immense growth in recent years. Researchers with the U.N. Department of Economic and Social Affairs (DESA) have estimated that New Delhi, India’s capital, will be the most populous city in the world by 2028. With over 30 million already living in New Delhi, the Indian government recognizes the necessity of providing clean water to its people. An uphaul of India’s water infrastructure could drastically improve these conditions and provide more Indians with this essential human need.

Improving Sewage Connections

Representatives from the Delhi Jal Board (DJB), New Delhi’s official water agency, have offered considerable methods of combatting the excess of unpotable water. In May 2022, officials devised a plan that would provide around 25,000 free sewage connections to households in East Delhi constituencies like Mustafabad and Karawal Nagar, located near the banks of the Yamuna River. This is a beneficial move for DJB during a time when water meter scams have become extremely prevalent in India. Providing additional sewage connections, especially in Delhi’s many low-income colonies, would also diminish the amount of untreated water escaping into the Yamuna.

Free sewage connections are not the only benefit to come from this plan. If implemented, DJB will construct approximately 30 reverse osmosis (RO) plants around Delhi. These manufacturing plants desalinate and purify water by separating and collecting the contaminants within it. DJB officials plan to implement many of the RO plants throughout Delhi’s numerous Jhuggi-Jhopri (JJ) clusters. These clusters illegally house some of the capital city’s most impoverished under mud roofs along the streets and passageways of slum colonies. Each RO plant can serve up to 65,000 liters of clean water daily. Officials have set a goal to place around 1,000 RO plants across Delhi in the future.

The Yamuna River gives a sweeping view of India’s water crisis. It offers unmistakable evidence of chemical contamination with froth buildup and trash. Most importantly, though, is how the Yamuna cries out on behalf of the multitude of people in Delhi who lack the basic amenity of clean water.

India’s Six-Point Plan to Clean the Yamuna

DJB’s actions to improve water quality in New Delhi fall under a six-point action plan devised to clean the Yamuna River by 2025. Delhi chief minister Arvind Kejriwal announced the plan in November 2020, referring to the Yamuna as “the lifeline of Delhi.” These are the six points of action:

  • Increase the number of sewage treatment plants and upgrade existing plants to treat 850 million gallons of water per day.
  • In-situ treatment of four major stormwater drains (Ghazipur, Najafgarh, Badshahpur and the supplementary drain).
  • Implement and upgrade common effluent-treatment plants to treat liquid waste and sewage entering the river.
  • Provide community toilets and sewage systems in JJ clusters.
  • Increase household sewage connections.
  • Restore the existing sewer system.

Years of neglect toward the Yamuna River has had damaging effects on Delhi’s people and landscape. Thankfully, the government is making resilient efforts to rehabilitate the Yamuna and quell India’s water crisis.

– Evan Lemole
Photo: Wikipedia Commons

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9 Facts About South Sudan

Facts about South SudanIn South Sudan, poverty and food insecurity are prevalent despite the country’s abundance of natural resources. Challenges include civil wars and prolonged violence. These challenges contribute to a significant number of people living below the poverty line within the nation. Several facts about South Sudan provide insight into the country’s economic and social landscape.

9  Facts About South Sudan

  1. A 50-Year Conflict. From 1955 through 2005, North and South Sudan faced civil wars and conflict. In January of 2005, the leaders of North and South Sudan signed the Comprehensive Peace Agreement (CPA). This agreement granted Southerners a revised Interim Constitution and partial autonomy. However, even with a signed peace agreement, social, political and economic conflict continues in South Sudan.
  2. Gaining Independence. In January 2011, 98% of Southerners in Sudan voted to secede from the north. Due to this vote, in July 2011, the Republic of South Sudan was formed — the world’s youngest country.
  3. High Poverty Rate. South Sudan has a population of about 12 million people. The overwhelming majority of the population, about 80%, resides in rural areas. According to the World Bank’s latest estimates, about 82% of South Sudanese people endure poverty, surviving on less than $1.90 per day.
  4.  An Abundance of Natural Resources. Although South Sudan falls high on the poverty scale, the country has many natural resources. The Nile River, petroleum, marble/dolomite, aluminum, iron ore and gold stand as the nation’s major natural resources. Of these resources, oil fuels the country’s economy, with outside investors dominating the sector. The issue is that about 85% of the population works in non-wage pastoral jobs and does not benefit from the abundance of natural resources.
  5. Water and Sanitation are Limited. In 2019, just half of the South Sudanese population had access to safe drinking water. Also, just 10% of people had “access to basic sanitation.” On a positive note, due to the work of the U.S. Agency for International Development (USAID), almost a million more South Sudanese people received “access to improved drinking water” between 2008 and 2019.
  6. Inadequate Health Care. Less than 50% of the South Sudanese population has access to health services. The government allocates only 2.6% of its budget to health care. For this reason, many citizens rely on non-governental organizations (NGOs) for their health care needs. Doctors Without Borders is a movement dedicated to providing medical aid globally. In 2019, Doctors Without Borders had 19 project sites across South Sudan. The organization’s medical assistance is vast and ranges from tackling malaria to vaccinating children and treating gunshot wounds.
  7. Food Insecurity is High. More than 60% of the population is currently enduring food insecurity. The International Relief Committee (IRC) believes that famine will increase even more in 2021. This stems from the cumulative effects of “conflict, an economic crisis, recurrent flooding and COVID-19” as well as displacement. The IRC is advocating for an infusion of support to stave off famine in South Sudan. Action Against Hunger is an NGO currently aiding South Sudan in hunger relief. As the world’s hunger specialist, its goal is to create new, better ways to deal with hunger. In 2020, it helped 558,079 people in South Sudan. Of this number, the organization’s health and nutrition programs helped more than 300,000 people. Further, 103,004 people received help through “food security and livelihood programs.”
  8. Life Expectancy is Increasing. South Sudanese life expectancy stood at 57.6 years of age in 2018. For males, the life expectancy was 56.1 years old. For the female counterpart, the life expectancy was higher at 59.1 years old. This is a steady increase over the years — 20 years ago, in 1998, the life expectancy at birth stood at 48.3 years old.
  9. Access to Education. More than 70% of South Sudanese children are not attending school. Some of these children live in pastoral settings and need to follow the herds so they cannot attend school. Girls are the largest group of students out of school.  This is due to poverty, cultural and religious beliefs and child marriage.

Looking Ahead

These facts about South Sudan may seem discouraging, but there are NGOs working on solutions. World Concern is a faith-based organization that works in South Sudan and 11 other countries. The organization provides assistance in the areas of water access, health, child protection, education, food security and nutrition, disaster and crisis response as well as economic resilience. World Concern supports countries village by village and operates in eight villages in South Sudan.

Hope is on the horizon for the people of South Sudan as organizations like World Concern, the IRC, Doctors Without Borders and Action Against Hunger step up to help. Coupled with the country’s abundance of natural resources, these efforts ensure South Sudanese people are able to rise out of poverty.

– Ariel Dowdy
Photo: Flickr

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EOS International Tackles Latin American Water Scarcity

Latin American Water ScarcityIn Latin America, the health and well-being of rural communities are threatened by water scarcity and poor sanitation. In recent decades, the number of people facing water scarcity has declined. Unfortunately, with 36 million people currently lacking access to clean water in Latin America, water scarcity is an issue that is just too prevalent. EOS International aims to address Latin American water scarcity by providing simple and affordable solutions to increase access to clean water.

Causes of Latin American Water Scarcity

While many factors contribute to the water crisis, the outsized role of climate change cannot be ignored. Recent increases in extreme weather events including flooding, hurricanes and droughts threaten the water supply of many Latin American countries. For example, in Peru, flooding left water treatment plants full of rocks and debris, clogging the water supply. Consequently, authorities made the decision to restrict water usage in the Peruvian cities of Lima and Arequipa.

On the other end of the spectrum, drought threatens Bolivia’s water supply, which is significantly rainfall-reliant. Extreme weather conditions, however, are not the only factors threatening clean water access for Latin Americans. Misguided governmental decision-making exacerbates the problem. Most consequentially, increases in deforestation, mining and the creation of mega dams have exacerbated the occurrence of extreme weather patterns. In turn, these developments often harm the water supply in many Latin American countries. Of particular concern in Peru, international mining companies polluted waterways and “hijacked” the water supply, harming the livelihoods of farmers in the region.

In other countries, the biggest threat to the water supply is agribusinesses with undue control over water allocation. This synergy of extreme weather conditions, extractive industries, agribusinesses and governmental inaction still threatens rural families in Latin America who lack access to clean water.

Health and Water Scarcity

Water scarcity poses a direct danger to human health. The most harrowing outcome is waterborne illnesses, primarily diarrheal diseases, which are too often fatal. Waterborne illness is responsible for one in nine child deaths around the world. The pollution in the water itself is an environmental hazard. The Pan American Health Organization estimates that in children younger than 5 in the Americas, close to 100,000 die from such pollution annually.

Water Scarcity Hinders Poverty Reduction

Not only does water scarcity threaten the health of rural communities in Latin America but it is also a major obstacle to poverty prevention. Without clean water, it is nearly impossible to stay healthy enough to manage a job, go to school, construct a home or undertake other essential endeavors necessary to pull oneself out of poverty.

When women have to travel long distances to collect water, they waste hours of time and energy that can otherwise go toward more productive endeavors such as education and paid employment. Areas lacking clean water are also more vulnerable to food insecurity as it is more difficult to grow sufficient crops to feed the populous. Food security, education and employment are all key to poverty reduction, however, a lack of access to water presents a barrier to these outcomes.

Efforts to Alleviate Water Scarcity

Organizational efforts play a role in driving the decrease in overall water scarcity. EOS International is one such organization. EOS stands for “Emerging Opportunities for Sustainability.” The organization’s work aims to empower rural families in Central America by facilitating access to clean drinking water through technological advances and education.

As part of this goal, EOS volunteers help rural communities to safeguard clean water. The volunteers regularly test water quality and then treat unsafe and contaminated water, usually with chlorine tablets. The volunteers then monitor the water system over time, providing chlorine tablets to communities when required. Not only does EOS provide base-level support but it also manufactures and installs simple technologies that provide long-term support for the water supply. Since its establishment in 2008, EOS has installed more than 2,000 simple, affordable and “locally serviceable technologies” in Central America.

The organization also supports economic growth and income generation in communities. EOS International has “provided clean water services including training, education and support for 1,169 communities,” positively impacting more than 500,000 people. Furthermore, the organization’s “50 chlorine distribution centers have created income-generating opportunities for local entrepreneurs.”

Looking to the Future

EOS International has made a measurable impact on the health of rural Latin Americans. The organization has installed technologies that provided lasting clean water access to more than half a million people in Honduras and Nicaragua alone.

EOS International’s successes in combating Latin American water scarcity are not possible without the support of donors and volunteers. The implementation of technologies is done in large part by people willing to give their time to support rural families. Nonprofits make a measurable impact in the lives of countless families facing water insecurity. However, their work is not possible without generous contributions of time and monetary support. EOS International’s efforts are an example of the vital work being done by nonprofits to combat global poverty.

– Haylee Ann Ramsey-Code
Photo: Flickr

Clean Water in Somalia

Clean Water in SomaliaSomalia is facing an ongoing humanitarian crisis that has affected millions. Over 70% of the country’s population is currently living in poverty, with more than 4.8 million people suffering from food insecurity. Political instability, armed conflict and extreme weather coupled with the ongoing Coronavirus pandemic has caused the country’s GDP to decrease by 1.5%. Extreme weather caused over $3 billion worth of damage to Somalia in 2018 which was more than 50% of the country’s GDP. The current state of Somalia has only deteriorated with the need for humanitarian support increasing. Food insecurity, malnutrition and access to clean water in Somalia are major issues requiring continued humanitarian attention.

Access to Clean Water in Somalia

The United Nations has reported that over 2 billion people globally lack access to clean water. UNICEF reports that only 52% of the population of Somalia has access to a water source. With such a low percentage of the Somali people having readily accessible clean water, preventable diseases become a greater threat. Access to clean water in Somalia means improving sanitation, hygiene and decreasing susceptibility to diseases like cholera, diarrhea and respiratory infections.

Save the Children has reported that droughts have left 70% of Somali families lacking access to clean water. The survey gathered responses from over 630 families in 18 provinces of Somalia. Droughts have led to crop failures resulting in more people struggling with food insecurity. Without access to clean water, women and children face an increased risk of health-related issues, like preventable diseases and childbirth complications.

Providing Clean Water in Somalia

Mercy-USA for Aid and Development is a nonprofit organization from Michigan that has been working in Somalia since 1997. The United States-based nonprofit has projects spanning several countries including Syria, Kenya and Yemen. The programs in Somalia are developing self-reliance skills through education, skill training and food and water assistance. In order to combat the crisis of accessibility to clean water in Somalia, Mercy-USA is building wells for the Somali people. The organization has built over 700 wells, which have provided clean water to over 750,000 people. The organization can build a new well for $3,500 which can provide water to an entire community.

CARE International is a non-governmental organization based in Switzerland that has been providing humanitarian aid to Somalia since 1981. The organization has been helping mitigate the damage that extreme weather like floods and droughts have had on Somali agriculture. CARE’s programs in Somalia have helped over 250,000 people through improvements to clean water accessibility, sanitation and hygiene. The organization works with local authorities and international organizations to treat preventable diseases like acute watery diarrhea. CARE International has provided over 10,000 people access to clean water. The organization’s ongoing projects include efforts to improve agriculture, sanitation and develop local businesses.

Looking Forward

With extreme weather displacing communities and damaging agriculture, more people are finding themselves without access to clean water in Somalia. The Somali government is working to expand assistance and opportunities to those suffering from the effects of poverty with the support of humanitarian organizations like Mercy-USA and CARE International. The poverty rate is expected to remain at 71% as the Coronavirus pandemic further exacerbates food insecurity and displacement. Continued humanitarian support is necessary to improve the situation of the Somali people and ensure everyone has access to clean water in Somalia.

– Gerardo Valladares
Photo:Flickr

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Nanoseen: Solutions to Water Access and Pollution

NanoseenIn Sopot, Poland, co-founders Bartosz Kruzska and Mikolaj Granuszewski are leading innovations that could change access to clean, drinkable water forever. Startup firm, Nanoseen, is developing the NanoseenX, a water filter made of recycled metal wafers that can desalinate water. The startup, which was ranked as one of the top “15 Chemical Engineering Startups Positioned to Make it Big in 2021” by the Welp Magazine, aims to revolutionize the use and development of nanotechnology to build the most modern products. “Nanoseen is a team of nanotechnology engineers and scientists who prove remarkable properties of NanoseenX nanomaterials as a core component of the company’s products that will help solve many problems related to climate change such as water shortage and plastic pollution,” Kruszka told THEfirstNEWS. The company plans to begin mass production of its water desalination devices in 2021, making it one of the most highly anticipated startups of the upcoming year.

NanoseenX Water Filter

The filter can desalinate both brackish and seawater, giving it the potential to become essential to both disaster relief and combating global poverty. Worldwide, 780 million people do not have access to an improved water source and one in three people do not have access to safe drinking water, making clean water one of the chief obstacles of under-developed nations. Countries like Papua New Guinea, Mozambique, Tanzania and Somalia struggle with clean water but border the oceans so they can benefit greatly from the filter. The provision of clean water will not only improve sanitation but consequently improve health and infant survival rates, which is fundamental to fighting poverty. The product could also aid natural relief teams in tropical countries that are prone to hurricanes and typhoons. For example, crises like the aftermath of Hurricane Maria, which cut off access to clean water in Puerto Rico for months, can be resolved. Removing clean water as a pressing concern will also give destitute communities a better opportunity to develop and escape poverty.

Other Innovative Initiatives by Nanoseen

In addition to the water filter, Kruzska elaborates that Nanoseen is tackling research on a method of damaging micro and nano-plastics in water, with the use of NanopowderX. Such development could help clear pollution in oceans, which contain 25-50 trillion macro and microplastics. Being able to filter such microplastics from the water will be the most effective way to curb this new atmospheric pollutant. The team is also pioneering unique paints that will remove pollutants from the air to fight atmospheric pollution, a phenomenon that disproportionately affects impoverished people.

Innovatively Addressing Global Issues

Nanoseen’s ingenious filter is paradigmatic of innovations in STEM creating solutions to global poverty. The startup also offers other eco-friendly and problem-solving materials. The startup’s website offers viewers more in-depth descriptions and applications of its products and states its goals of creating innovative nanomaterials to build modern products that solve the main problems of today’s world.

– Christine Chang
Photo: Flickr

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3 Ways Nanotechnology is Alleviating Poverty

Nanotechnology is Alleviating PovertyIn its most basic sense, the concepts behind nanotechnology were formulated by acclaimed physicist Richard Feynman in 1959. Over the past four decades, nanotechnology has made significant advancements and research is expanding as costs are falling. Because of these innovations, nanotechnology is alleviating poverty worldwide.

Using Nanosensors for Water Management in Agriculture

Whether mechanical or chemical, nanosensors use tools to detect minor changes in chemical composition and relay information to change the dynamics of whatever they are monitoring. Nanosensors use artificial intelligence and computing to make adjustments as soon as any predicaments arise. Because of their sensitivity and small scale, nanosensors can detect problems well before other outdated instruments.

In a study for sustainable agriculture, the Organisation for Economic Co-operation and Development (OECD) asserts nanotechnology is alleviating poverty issues such as food insecurity. The OECD study concluded that nanosensors effectively detect changes in moisture across fields of crops. They then automatically adjust the disbursement of water and eliminate water waste while preventing crop losses. Farm machines outfitted with nanosensors detect moisture levels in different crops and suggest better-suited areas for specific crops allowing farmers to change planting patterns or change water allocations to other land plots.

Nanofiltration Membranes Provide Clean Drinking Water

Access to clean water is a crisis that many developing countries face. Usually, the first issue dealt with when fighting poverty is economic development so regulations are not often in place to protect against pollution. In some countries, scarcity of clean groundwater becomes problematic too. However, nanotechnology is alleviating poverty in these areas by providing clean drinking water.

Ghana was the center of a study on the effectiveness of nanofiltration membranes conducted by the International Water Association (IWA) and members of the Indian Institute of Science. The IWA chose to test Ghana’s groundwater due to the high level of pollutants present. During the study, it tested the levels of contaminants, bacteria and natural materials that render water non-potable before and after utilizing nanofiltration membranes.

The results of the IWA study were impressive. Not only did the study determine that nanofiltration reduces pollutants to potable levels, but executed efficiently enough, rural areas could produce enough water for more than 100 households. Ultimately, the conclusion was that nanofiltration was a low-cost solution for drinking water access and production in impoverished rural regions worldwide.

Nanotechnology to Fight Infectious Disease

Most original concepts of nanotechnology’s usefulness focused on medical care. The World Health Organization (WHO) has long been fond of utilizing nanotechnology in health care and fighting infectious diseases. The WHO now recognizes that nanotechnology is alleviating poverty in developing nations through scientific medical breakthroughs.

The first need for nanotechnology to address in developing countries is the diagnosis of disease. Nanobiotechnology allows for an inexpensive option to find multiple dangerous microbes using a single test. These technologies have improved over time and are being used in developing nations to detect most viral and bacterial infections, including tuberculosis.

The COVID-19 vaccine development shows the importance of nanotechnology in the prevention of disease too. The Pfizer and Moderna vaccines use a nanocarrier system designed to activate the immune system to fight COVID-19 by assisting antibody production. The distribution of the vaccine to developing nations is now underway.

The Future of Nanotechnology for Poverty Reduction

Nanotechnology is alleviating poverty in developing nations, and with continued scientific inquiry and advancements in nanotechnology, new applications for poverty reduction will improve. Nanotechnology’s cost-effectiveness and versatility make it one of the most viable technologies to assist in the struggle against poverty.

– Zachary Kunze
Photo: Flickr

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Safe Water: Sunlight-Powered Desalination

Sunlight-Powered Desalination ProcessAccording to the World Health Organization (WHO), 2.1 billion people around the world lack access to clean sources of drinking water. This figure is often quite surprising to many because it is difficult to comprehend how water can be so scarce when it is seemingly so bountiful. However, in truth, only 3% of Earth’s water is freshwater. Additionally, with current trends of rising temperatures and increasing worldwide consumption of freshwater, by 2025, two-thirds of the world’s population could face water scarcities. For this reason, researchers in Australia have developed a sunlight-powered desalination process to quickly convert tainted water into a safe, drinkable form.

The Process of Sunlight-Powered Desalination

In August 2020, a team of Chinese and Australian researchers based at Monash University in Australia announced via the science journal, Nature Sustainability, that they had developed a new sunlight-powered desalination process. The method uses their self-developed metal-organic framework (MOF), an extremely porous metal, called PSP-MIL-53. Once exposed to sufficient sunlight, this MOF is “activated” and absorbs particles like salt and bacteria from brackish water to create water that can be consumed by humans.

This sunlight-powered desalination process, according to the scientists participating in the study, produces water cleaner than WHO standards. WHO sets the standard for drinking water at having less than 600 parts per million (ppm) of dissolved solids. Meanwhile, this new method was able to reduce the number of dissolved solids from 2,233ppm to 500ppm of dissolved solids.

Clean Water in 30 Minutes

Along with creating water cleaner than WHO standards, the new sunlight-powered desalination process can desalinate brackish water in less than 30 minutes. This approach is more efficient than other methods of desalination with it generating nearly 37 gallons of potable water per day from only one kilogram of PSP-MIL-53.

Benefits for the Impoverished

By using sunlight for activation energy, the newly developed method does not require heat or electricity to jumpstart the active desalination. While other technologies that use processes like reverse osmosis require sophisticated energy infrastructure and dangerous chemicals to operate, the Australian-developed procedure does not. This will allow poor, rural areas in developing nations, places where water is increasingly becoming most scarce, to use this sunlight-powered desalination process to obtain drinkable water without needing to create a robust power grid nearby. Lack of chemicals and reliance solely on sunlight also makes this type of desalination energy-efficient and environmentally-friendly, minimalizing damage to surrounding ecosystems.

Further Potential for Developing Countries

With the potential to quickly and efficiently provide millions with safe, drinkable water, Monash University researchers are continuing to perfect the technology. According to lead scientists on the project, the sunlight-powered desalination process can be cheaply distributed to areas in dire need overcoming the cost barrier of desalination plants that have previously prevented developing countries from purchasing desalination technology. Professor Huanting Wang, one of the lead scientists, also stated that the byproducts of the desalination process, those being the minerals and other materials extracted from the water, could function as a secondary benefit of the technique by providing an environmentally-friendly source of raw materials that could help boost the economies of poor regions.

The Future of PSP-MIL-53

Much is still to be done by researchers at Monash University before PSP-MIL-53 is ready for widespread distribution. Despite this, it is clear that this new discovery provides hope for impoverished communities who face threats of drought or unclean water. The cost and energy requirements have always been an entry barrier to gaining access to potentially life-saving desalination plants. These scientists are gunning to change the world by providing the poor with access to clean, drinkable water.

– Aidan Sun
Photo: Flickr

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Teaching Sanitation Practices in Tanzania with Project SHINE

Sanitation Practices in Tanzania
Tanzania has made considerable strides in decreasing extreme poverty. For example, from 2007–2018, the country’s poverty rate declined from 34% to 26% (of the total population). However, this progress in poverty reduction has not translated as successfully when addressing sanitation. Improving sanitation practices in Tanzania directly relates to decreasing infant mortality and malnutrition. Currently, 23 million of Tanzania’s 57 million residents obtain drinking water from potentially hazardous sources. Acknowledging these disparities and the value of potable water in eradicating poverty, the initiative Project SHINE works in rural communities where low access to clean water and poor hygiene practices are common. The organization is on a mission to improve sanitation by inventing cost-effective, simple solutions that enhance hygiene in Tanzania.

Poor Sanitation and Resulting Diseases

Poor sanitation practices in Tanzania contribute to a host of preventable infections in the country. Tanzania suffers frequent cholera outbreaks, which cause extreme diarrhea and dehydration. Diarrheal disease is one of the largest contributors to child mortality in countries facing extreme poverty. Moreover, those who do survive, suffer developmental obstacles. Cholera, as well as the related disease typhoid, can transmit through drinking water polluted with human feces. Open excretion, a widely spread issue in Tanzania, is easily preventable by developing water sanitation infrastructure.

In terms of parasitic infections, malaria commonly transmits through mosquitoes. This illness and schistosomiasis easily spread due to a lack of proper drainage systems in Tanzania. Finally, skin, eye and oral infections are a common result of the lack of knowledge among Tanzanians regarding proper hygiene practices.

Rural communities in Tanzania learn and influence hygiene practices based on previously established knowledge and cultural practices. Therefore, many children are predisposed to the same habits — and therefore, the same risks as their families. To help combat these norms that often pose significant health risks, Project SHINE is introducing innovations in sanitation and hygiene for Tanzanians.

Sanitation and Hygiene Innovation in Education (SHINE)

Project SHINE uses science to educate children and motivate changes in their hygienic behaviors by cooperating with schools. The program also reaches out to parents and other community members to develop a better understanding of attitudes toward health within this field. Through its educational initiatives, Project SHINE engages pastoralists who, even though many children come from these families, often lack access to resources and are actively involved with livestock. In particular, SHINE highlights the importance of both animal and human health for these audiences.

Education Strategy: Science Fairs

Project SHINE promotes science fairs in its target schools to encourage greater conversation and education about sanitation. These events focus on three subjects: water, sanitation and hygiene. This project’s aim is to help motivate youth, health care workers and community members to adopt improved health care practices. The long-term goal of motivating future generations to permanently incorporate these habits into their daily routines is paramount.

During this process, teachers receive private training in separate workshops where they gain strategies for presenting hygiene and sanitation to students in engaging ways.

Students engage in these science fairs by conducting research and forming hypotheses. One project students can complete, for example, is to create sustainable hand-washing stations using local, low-cost materials. Project SHINE also incorporates a One Health Paradigm that emphasizes the connection between livestock, humans and the environment. Notably, this is a relevant framework for children from pastoral families. Overall, fitting sanitation practices in Tanzania into the school curriculum has become a priority for SHINE.

The Journey Ahead

Progress for hygiene and sanitation practices in Tanzania has been a long, difficult journey for many families who still struggle to obtain clean water. Nevertheless, interventions from Project SHINE have already made significant differences. The initiative is planning to expand to other parts of the community, including out-of-school youth and the disabled. Overall, the work of Project SHINE offers promise for the health and prosperity of thousands across Tanzania.

– Zoe Schlagel
Photo: Wikimedia Commons