Time for a radical rethink about sand?

On a sandbank on the Chambal River in northern India, the critically endangered gharial and red-crowned roofed turtle (the Chambal is the latter's last known refuge) bask side by side. It's late March and approaching the ...

US mining sites dump 50M gallons of fouled wastewater daily

Every day many millions of gallons of water loaded with arsenic, lead and other toxic metals flow from some of the most contaminated mining sites in the U.S. and into surrounding streams and ponds without being treated, The ...

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