Articles by David Morgan, Paul Lienert and Timothy Gardner

Fracking for shale oil and gas has not led to widespread pollution of drinking water, a U.S. Environmental Protection Agency...

An unexplained blast this week at a liquefied natural gas (LNG) facility in rural Washington state, which injured workers, forced...

U.S. droughts, floods and heat waves likely fueled by climate change in the last two years hit the people who...

The United States has renewed waivers on Iran sanctions for Japan and 10 European countries because they cut their purchases...

The United States gave China a six-month reprieve from Iran financial sanctions on Thursday, avoiding a diplomatic spat with a...

The United States extended exemptions from its tough, new sanctions on Iran’s oil trade to seven more economies on Monday,...

The United States will announce a new list of countries that will receive exceptions to financial sanctions on oil trade...

More Americans than last year believe the world is warming and the change is likely influenced by the Republican presidential...

Global warming will likely open up coastal areas in the Arctic to development but close vast regions of the northern...