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Articles on Salinity

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Suburban development in Maricopa County, Arizona, with lakes, lush golf courses and water-guzzling lawns. Wild Horizon/Universal Images Group via Getty Images

What Arizona and other drought-ridden states can learn from Israel’s pioneering water strategy

Arizona is considering a multibillion-dollar desalination project to address its urgent water needs. Three water experts call for a go-slow approach and point to Israel as a role model.
Exposed lakebed at the Salton Sea on Dec. 29, 2022. RJ Sangosti/MediaNews Group/The Denver Post via Getty Images

Human actions created the Salton Sea, California’s largest lake – here’s how to save it from collapse, protecting wild birds and human health

Fifty years ago, the Salton Sea was a draw for boaters and fishermen; today it’s an ecological time bomb. Two water experts who served on a state review panel describe its proposed rescue plan.
The Carlsbad Desalination Plant in Southern California is the largest such plant in the Western Hemisphere, providing 50 million gallons of desalinated seawater per day.​ Reed Kaestner via Getty Images

Desalinating seawater sounds easy, but there are cheaper and more sustainable ways to meet people’s water needs

Nearly 97% of the world’s water is in the oceans, but desalination is no magic bullet for water-stressed coastal cities.
Grant Elliott/Unsplash.

Curious Kids: why is the sea salty?

The salt in the sea has built up over billions of years – but it wouldn’t have got there without freshwater rivers and streams.
Your salt intake from water can vary depending on where you live. Bryan Carlson/Unsplash

Your drinking water could be saltier than you think (even if you live in a capital)

Of Australia’s capital cities, Perth has the saltiest tap water, while Melbourne, Hobart, Darwin and Canberra have the least salty. And while all are within guidelines, the variation is striking.
What does it matter how much rain falls on the ocean? For understanding climate, it matters quite a lot. Ines Hegedus-Garcia

Are the world’s wet regions becoming wetter and dry regions becoming drier?

Surprising evidence from the oceans suggests they are responding to warming at a faster rate than we previously thought. These changes are expressed by patterns of freshening and enhanced salinity in the…

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