Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

This story was originally published at Grist and is republished here by permission. In the spring of 1905, the Colorado River, bursting with seasonal rain, topped an irrigation canal and flooded the ...

This story is part of the Grist series Parched, an in-depth look at how climate change-fueled drought is reshaping communities, economies, and ecosystems. In the spring of 1905, the Colorado River, ...

Time is running out to come up with a plan to save the Salton Sea. Water levels in California's largest lake continue to drop, subjecting nearby communities to harmful levels of toxic dust stirred up ...

Why is the sea salty? – Torben, aged nine, Sussex, UK. Two-thirds of the Earth’s surface is covered in water, and 97% of that is salty seawater. Only 3% of our planet’s water is fresh, and 2% is ...

Imagine you’re standing near the edge of the Antarctic Ice Sheet, gazing out over the ocean, when the ice near you starts to melt very rapidly. A surge of meltwater flows into the ocean. Surprisingly, ...