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How people are resolving to reduce water scarcity

How people are resolving to reduce water scarcity

Seventy percent of the surface of our planet is covered by water, so it’s easy to assume there’s plenty of it to drink, cook, and bathe with. It’s time we all threw that assumption out with, well, the bathwater.

Less than three percent of the water covering the earth is freshwater, and the bulk of that freshwater isn’t accessible. This is one of the reasons why humans in many parts of the world rely on extremely limited water resources.

Though we all rely on water for our survival, we also contribute to the rise of water scarcity. The vitality of rivers, lakes, and other bodies of freshwater is threatened by a variety of causes, many of which are the result of human activity. These include pollution, climate change, industrial agricultural practices, unsustainable energy production, and population growth. The end result is that more and more people around the globe face water shortages.

While water scarcity is predominantly a man-made creation, we also have the capacity to develop solutions to mitigate the rise of water scarcity. Read on to learn more about water scarcity plus some of the exciting ways people are reducing it.

Water scarcity by the numbers

What is water scarcity?

At its simplest, the term water scarcity refers to insufficient access to the water resources necessary to sustain a region. The term applies to both human activities such as drinking and cooking, as well as the healthy functioning of an ecosystem. Water scarcity can range from a challenging but manageable water shortage such as in the Greater London area or the High Plains in the U.S. to a full-blown water crisis such as in Flint, MI or Durban, South Africa.

When it comes to the human experience of water scarcity, the term is divided into two categories: physical water scarcity and economic water scarcity. As you may expect, physical water scarcity refers to a lack of available water resources relative to its demand. Economic water scarcity refers to limited water access resulting from insufficient financial resources to access, store, and/or distribute water to homes, business, and so on.

If you grew up with unlimited access to water resources, it’s easy feel less connected to the gravity of water scarcity. However, water scarcity affects every continent at an increasingly alarming rate.

What causes water scarcity

According to a 2016 study, at least two-thirds of the world’s population—a tremendous number of four billion people—already live with severe water scarcity for at least one month each year. In addition to this, 500 million people live in regions where humans consume water at twice the rate it is replenished by rain, particularly in China and India. For those regions that fall into this category, severe water shortages are all but guaranteed in the future.

The situation is so serious that the World Economic Forum now ranks the water crises as one of the top biggest risks to humanity and human economics. The people most vulnerable to water scarcity today live in India and China, while the problem also affects dozens of other countries including Great Britain, Australia, Mexico, Yemen, Iran, Pakistan, Saudi Arabia, countries throughout sub-Saharan Africa, and the United States. While water scarcity manifests differently in different regions, it produces a number of predictable consequences.

What are the consequences of water scarcity?

There are a number of ramifications tied to the water crisis, including:

Lack of access to safe, clean drinking water

When people can’t access clean water for drinking, agriculture, and washing, their lives are at stake. Every year 842,000 people die from diarrhea caused by consuming unsafe drinking water or insufficient sanitation practices. Eighty percent of the illnesses in developing countries result from unhealthy water and/or sanitation systems, and one out of four deaths of children under the age of five are the result of water-related illnesses.

Threatened ecosystems

Water scarcity has serious effects for wildlife and flora. Especially notable is the rapid disappearance of wetlands, which reduces wildlife habitat and causes the loss of water filtration, storm protection, and flood control services typically proffered by wetlands. Collectively, the world has lost 50 percent of all its wetlands since 1900, and nowhere is immune: Even places like California, Florida, and Louisiana have witnessed high rates of wetlands disappearance.

Unhealthy economies and increased poverty

When water is hard to access, people will spend an inordinate amount of time obtaining it. This means people are not free to invest in education and careers, among other things, and this trickle down impacts both individuals and their countries. For example, the World Bank estimates that water scarcity can result in GDP losses of as much as 14 percent.

Decreased food access and higher food costs

As water becomes scarcer, it also becomes more expensive. That increases the cost of producing food crops, which then increases the cost of food in local grocery stores and markets. For example, a mere ten percent rise in the cost of water could increase the production cost of a single orange by as much as thirty percent. This simultaneously makes farming more difficult and decreases access to healthy food, which has ramifications for public health.

Heightened conflict

History shows that when food prices spike, so do rates of violence and social conflict. This makes sense when you consider that starving people are more willing to break with social convention if it means getting something to eat.

Higher costs for clothing, electronics and other consumer goods

The fashion and electronics industries are notorious for their astronomical rates of water use. As water gets more expensive, it becomes more costly to create a variety of products. This could increase the difficulty in accessing clothing, phones, and more.

How people are resolving to reduce water scarcity

How are people reducing water scarcity?

There is some good news. In fact, one study found that water scarcity can be significantly reduced by 2050 if we commit to making big, yet practical changes.

Developing water filtration systems

It’s one thing to have access to water, and it’s another to have access to water that is safe to drink. Effective water filtration systems help ensure freshwater can be put to good use—not making us sick. That’s one of the reasons why companies worldwide are committed to developing sophisticated water filtration systems that produce purified water free from bacteria, microbes, and other contaminants, and bringing this clean drinking water to as many schools, hospitals, workplaces, and homes as possible.

Promoting water stewardship

It takes every community in the world to reduce the threat of water scarcity. Now more than ever, the world needs water stewards in all forms. Whether that means taking shorter showers, installing low-flow toilets, and collecting rainwater for garden use at home; reusing graywater and eradicating leaks and other water inefficiencies at schools and offices; or investing in sustainable energy and water reduction initiatives by companies, water stewardship is a big part of the puzzle when it comes to limiting water scarcity.

Protecting wetlands

Remember when we mentioned that wetlands are natural water filtration systems? Well, that means they have a big role in collecting and purifying water. Wetlands are disappearing at an alarming rate, but conserving wetlands could have a major payoff. Currently, an international treaty called the Ramsar Convention has helped protect more than 2,000 wetlands. More aggressive conservation measures are required if we want wetlands to assist our efforts to reduce water scarcity.

Improving irrigation efficiency

Industrial agriculture is one of the biggest drains on water resources. Simply switching from flood irrigation systems to sprinklers or drip irrigation systems could help the agricultural sector save a tremendous amount of water. When combined with better soil management practices such as no-till or limited tillage and mulching, which reduces evaporation from the soil, more efficient irrigation systems can significantly reduce water usage.

Increasing water storage in reservoirs

Climate change increases the frequency of droughts and floods. By expanding the reservoir capacity we can capture and storage floodwater, to prevent its loss to the ocean, where it becomes salinated and more difficult to treat. This stored water can be used to provide water during times of drought. In the U.S, many states (such as California and Wyoming) are considering enlarging existing reservoirs or building new ones.

Desalinating seawater

The technologies involved in seawater desalinization are new but promising. The process involves converting seawater into freshwater suitable for drinking, cooking, bathing, and more. The researchers of the study predict that increasing the number of seawater desalinization plants by 50-fold would make a big impact when it comes to reducing water scarcity. The biggest downside is that desalinization requires huge amounts of energy; it’s important that these energy sources be sustainable so they don’t contribute to more water scarcity.

While the topic of water scarcity may feel pretty daunting, there’s a lot of hope. The future of our planet and its water resources is not written in stone. If we come together to invest in reducing water scarcity, we can help ensure people are able to rely on healthy water sources for decades to come.

By Laura Newcomer in partnership with Waterlogic and Ghergich & Co