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 ...

As tellurium demands rise, so do contamination concerns

As technology advances, demands for tellurium, a rare element, are on the rise. Some forms of tellurium are toxic, so as the element finds applications in solar panels, rubber production, electronics and more, researchers ...

The world is facing a global sand crisis

When people picture sand spread across idyllic beaches and endless deserts, they understandably think of it as an infinite resource. But as we discuss in a just-published perspective in the journal Science, over-exploitation ...

Debate stirred over 1st major US tar sands mine

(AP) -- Beneath the lush, green hills of eastern Utah's Uinta Basin, where elk, bear and bison outnumber people, the soil is saturated with a sticky tar that may soon provide a new domestic source of petroleum for the United ...