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Articles on Water supply

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Farmers in some regions are being encouraged to preserve and establish grasslands that can survive drought and protect the soil. AP Photo/Mark Rogers

Grim 2022 drought outlook for Western US offers warnings for the future as climate change brings a hotter, thirstier atmosphere

La Niña is only part of the problem. The long-term driver of increasing drought – even in areas getting more rainfall overall – is the rapidly warming climate.
NASA’s Landsat satellites have been monitoring changes on Earth’s landscape for 50 years. NASA illustration

Satellites over the Amazon capture the choking of the ‘house of God’ by the Belo Monte Dam – they can help find solutions, too

When Indigenous peoples lose their river flow to dams, satellite programs like Landsat – which is celebrating its 50th anniversary – can help them fight for their resources.
Alien pine trees, which use substantially more water than the native vegetation of the Cape Mountains, reduce river flows to dams that supply the city’s water. Martin Kleynhans

Clearing alien trees can help reduce climate change impact on Cape Town’s water supply

Clearing alien trees before the drought hit could have reduced the impact of climate change on water supply during the ‘Day Zero’ drought.
Women line up to collect water in their buckets in the informal settlement of Kibera in Nairobi. Photo by Wendy Stone/Corbis via Getty Images

A deep data dive reveals extent of unequal water provision in Nairobi

The manner in which people access water differs according to income. People in high- and middle- income areas tend to have piped connections in their homes.
MNStudio/Shutterstock

Even in a ‘water-rich’ country like New Zealand, some cities could face water shortages this summer

Given long-term forecasts for growing urban populations and an increasingly variable climate, local authorities will have to think about how best to encourage people to conserve water.
Collecting water from a street pump in Dhaka, Bangladesh, Jan. 13, 2020. Mehedi Hasan/NurPhoto via Getty Images

Coronavirus spotlights the link between clean water and health

Water is essential for health, economic well-being and social equity, but too many people around the world still don’t have access to clean drinking water and sanitation.
In sub-Saharan Africa, upgrading water infrastructure requires substantial investment and a sustainable model. Shutterstock

Mozambique water project: insights into supply and use in a peri-urban area

Decision making on water infrastructure in peri-urban areas is challenging. But lessons have been learnt from a water project in Mozambique.
The enthusiasm for recycling water that Australians had at the height of the drought little more than a decade ago has waned. Shaney Balcombe/AAP

When water is scarce, we can’t afford to neglect the alternatives to desalination

Cities relied entirely on conserving and recycling water to get through the last big drought. We now have desalination plants, but getting the most out of our water reserves still makes sense.
The largest desalination plant in Australia, Victoria’s A$3.5 billion ‘water factory’ can supply nearly a third of Melbourne’s needs. Nils Versemann/Shutterstock

Cities turn to desalination for water security, but at what cost?

Sydney and Melbourne are bringing desalination plants back on stream and Adelaide plans to increase its plant’s output. Perth depends on desalination. But is it the best way to achieve water security?

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