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Articles sur Water

Affichage de 181 à 200 de 643 articles

Mars northern polar cap, photographed by the NASA Mars Reconnaissance Orbiter mission. NASA/JPL-Caltech/MSSS

Why is there so little water left on Mars?

New results show why and how water is disappearing from Mars atmosphere.
Snow melts near the Continental Divide in the Bridger Wilderness Area in Wyoming, part of the Greater Yellowstone Area. Bryan Shuman/University of Wyoming

Yellowstone is losing its snow as the climate warms, and that means widespread problems for water and wildlife

The area’s iconic national parks are home to grizzlies, elk and mountain snowfall that feeds some of the country’s most important rivers. A new report show the changes underway as temperatures rise.
In February, the Innu Council of Ekuanitshit and the Minganie Regional County Municipality declared the Muteshekau Shipu (Magpie River) a legal person, a move that may provide greater certainty for this majestic river’s future. (Boreal River)

Rights for nature: How granting a river ‘personhood’ could help protect it

A recent declaration of a river as a legal person in Canada recognizes Indigenous laws and governance, and champions people as the guardians of nature.
New technologies that can clean salty or polluted water could help meet growing water needs. Science Photo Library/Getty Images

A new way to remove salts and toxic metals from water

Desalination can help meet growing water needs globally. But toxic wastewater and inefficiency hamper current techniques. A new approach uses custom membranes to clean water more easily.
Water flows from the Vaal Dam after several sluice gates were opened in February 2021. Heavy rains in the Gauteng province resulted in a spike in dam levels. Deaan Vivier/ via GettyImages

Why full dams don’t mean water security: a look at South Africa

Gauteng citizens need to know the uncomfortable truth: for the next six years, their water supplies will increasingly have to be restricted.
An orchard near Kettleman City in California’s San Joaquin Valley on April 2, 2021. Frederic J. Brown/AFP via Getty Images

Water wells are at risk of going dry in the US and worldwide

The US has one of the highest groundwater use rates in the world. When wells run dry, households may opt to conserve water, find new sources or sell and move.
The California Aqueduct, which carries water more than 400 miles south from the Sierra Nevada, splits as it enters Southern California at the border of Kern and Los Angeles counties. California DWR

Installing solar panels over California’s canals could yield water, land, air and climate payoffs

Installing solar panels over California’s 4,000 miles of canals could generate less expensive, renewable energy, save water, fight climate change – and offer a solution for the thirsty American West.
Aerial view of Lake Powell on the Colorado River along the Arizona-Utah border. AP Photo/John Antczak

Interstate water wars are heating up along with the climate

The Supreme Court recently dealt defeat to Florida in its 20-year legal battle with Georgia over river water. Other interstate water contests loom, but there are no sure winners in these lawsuits.
Futures won’t affect whether there’s water in the hose. Bettmann/Getty Images

Why Wall Street investors’ trading California water futures is nothing to fear – and unlikely to work anyway

The world’s first futures market for water launched in California in December. Two commodities experts explain how it works, what the potential problems are and why there’s no reason to freak out.

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