Drivers in Berkeley, California may soon get a stern warning about the impact of carbon emissions on the environment every time they fill up at the gas pump.

President Barack Obama is standing firm behind climate researchers warning against the continued burning of fossil fuels, saying, "science is science."

At least four people have been killed, and 30 others injured, in what’s being described as a “freak” sandstorm in Iran’s capital city of Tehran.

As President Barack Obama prepares to announce tougher new air quality standards, lawmakers in several states already are trying to blunt the impact on aging coal-fired power plants that feed elect

Species of plants and animals are becoming extinct at least 1,000 times faster than they did before humans arrived on the scene, and the world is on the brink of a sixth great extinction, a new stu

Former New York Mayor Michael Bloomberg, in his new U.N.

The Ohio House of Representatives approved a bill on Wednesday that would roll back the state's renewable energy and energy efficiency law, making Ohio the first state to reverse standards meant to

The price of popular breakfast cereals is set to soar over the next 15 years as a result of climate change, argues a new report from Oxfam International.

President Barack Obama's landmark rules to cut power plant emissions will likely give a fresh push to regional U.S.

The devastating wildfires scorching Southern California offer a glimpse of a warmer and more fiery future, according to scientists and federal and international reports.