International negotiators in Peru agreed early Sunday on some essential building blocks for a global accord to address climate change, most notably an unprecedented agreement that all countries commit to cutting heat-trapping emissions.
Recent commitments by the world's major polluters to cut emissions have added fresh momentum to international climate talks, but foot-dragging persists among the next tier of polluters, including India, Brazil, Canada and Australia.
International climate talks in Lima, Peru, are entering their final week, with few hints of whether a newfound optimism that marked the start of negotiations will ultimately translate into an agreement that would rein in climate change.
The United States is championing a new international approach to cutting greenhouse gases that offers the best chance of prompting countries to take action to avert the worst effects of global warming, the nation's chief climate negotiator said Monday.
The Obama administration's long-awaited announcement Wednesday that it wants to toughen limits on smog-forming ozone immediately generated questions about whether the plan can survive the current political climate and how much its cost will factor in reaching the goal.
After years of inaction, the Obama administration is expected to propose tougher limits on smog Wednesday, according to people with knowledge of the rule-making effort. The new rule would be a major victory for public health groups, but it is sure to further stoke the partisan clashes between the...
The Senate narrowly avoided a postelection showdown between the White House and Congress when a bill authorizing construction of the controversial Keystone XL pipeline failed to get the 60 votes needed to pass Tuesday.
Oil and gas development will be limited in the George Washington National Forest in Virginia, the U.S. Forest Service said Tuesday in a long-awaited decision over an area that’s home to the headwaters of rivers that provide drinking water for the 4 million people in the Washington, D.C., metro...