Joby Warrick


New Delhi will participate in talks on limiting heat-trapping HFC gases and take steps toward renewable fuels.

  • Sep 30, 2014

Three days after President Obama stood before a U.N. summit and touted a drop in U.S. emissions, an Energy Department report shows the trend’s reversal.

  • Sep 26, 2014

At a U.N. climate summit, the president again pledges to seek a global pact cutting carbon pollution.

  • Sep 23, 2014

“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
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