Joby Warrick

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“There is a moral imperative to preserve a healthy planet,” said Valerie Rockefeller Wayne, a great-great-granddaughter of oil magnate John D. Rockefeller Sr.

  • Sep 21, 2014

The White House will announce new steps to phase out a widely used coolant said to be spurring climate change.

  • Sep 16, 2014

U.N. says nature’s “cushions” against climate change are less effective as greenhouse gases increase.

  • Sep 9, 2014

As racy photos of Hollywood stars circulate online, security experts ask whether “cloud” sites are truly secure.

  • Sep 1, 2014

Scientists are observing large oxygen-depleted zones in East Coast waterways as pollution curbs falter.

  • Aug 31, 2014

California’s last reliable water source under threat as a thirsty region pumps away groundwater reserves.

  • Aug 17, 2014

The Islamists’ march evokes fears of Zarqawi’s brutal campaign to unite Sunnis under sharia law.

  • Jun 14, 2014

A planetary monitoring system meant to spot nuclear explosions helps scientists track natural disasters.

  • Jan 1, 2014

U.S. officials cite Syrian foot-dragging as deadline nears for removing chemical weapons stockpile.

  • Dec 30, 2013

While working as fundraisers and activists, gulf officials funneled money to terrorists, officials say.

  • Dec 22, 2013
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