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Each year, about 27 million tires end up in landfills, dumps and stockpiles, where they pose health and environmental hazards.

A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa.

The rapidly growing desalination industry produces water for drinking and for agriculture in the world’s arid coastal regions.

A team of British and American researchers, co-led by the University of Cambridge, has measured how much the McMurdo ice shelf in Antarctica flexes in response to the filling and draining of meltwater lakes on its surface.

Visible imagery from NASA’s Terra satellite showed a weaker Tropical Storm Gelena far from land areas, and in the middle of the Southern Indian Ocean.