Electric cars are only as clean as the source of energy they're plugged into — and Tennessee offers a lesson in how build a better clean-vehicle market.

An emerging migration crisis is worsening as global warming pushes sea levels higher — and some communities are choosing to voluntarily retreat rather than continue to live in high-risk areas.

Flooding would generally cluster around new and full moons.

Former advisers to four Republican presidents want to phase out most of the EPA's power to regulate carbon dioxide pollution and replace it with a tax.

New judges with a narrow view of federal agency powers could make decisions that have long-term consequences on the environment.

As Republicans take control of the White House and Congress, local and state officials fear environmental preemptions.

Exxon will provide Trump's pick for secretary of state, former CEO Rex Tillerson, with a $180 million package.

Global warming is blamed for 44 percent of the total area burned in Western forest fires since 1984.

A key threshold for the Paris climate pact has been met, meaning it will go into effect on Nov. 4.

A slew of documents filed on Wednesday pushed the new UN climate treaty closer to taking effect.

Unprecedented rainfall in parts of Louisiana last month was made more likely by global warming.

American biofuels are doing more harm to the climate than good, suggests new research.