Advocates are calling for an end to natural gas development, but some poor nations say doing so would unfairly penalize them and stifle economic growth.

There is now a 40% chance that global temperatures will temporarily reach 1.5 degrees Celsius above pre-industrial levels in the next five years -- and these odds are rising, a U.N. report said on Wednesday.

“An engineering problem that, when solved, solves energy.”

State lawmakers are running out of time to fix 2016 clean energy legislation.

Cities are nimbler than Congress and more capable of implementing climate policy through local laws and policy initiatives, says Jillian Blanchard, director of the climate change program at Lawyers for Good Government. She lays out some of the tools local governments can use to shift to renewable energy and the legal considerations.

The odds of the planet continuing to warm over the next several years have increased, top meteorologists said Thursday in a new report. In fact, within the next five years, there's now a 40% chance that Earth's annual average temperature will temporarily edge above a limit set by the Paris climate agreement.

California is changing its approach to energy efficiency, and on Thursday the state's Public Utilities Commission (CPUC) passed new rules to address benefits beyond economic energy savings, and adopted a new "total system benefit" (TSB) metric to encourage conservation at high-value times and locations.

Arizona's failed clean electricity proposal could live to see another day.

National lab wraps up groundbreaking project on electrifying the economy.

Offshore wind development in California has been stalled by politics and technological challenges. But on Tuesday, the administration announced plans to advance offshore wind in the state.

The bailout, environmentalists say, raises bigger questions about who will pay, in an energy transition, to close off the nation’s millions of aging wells.

Tax credits don’t give people money for solar panels and wind turbines up front. That’s where investors come in.