U.N. Secretary-General Antonio Guterres is making an impassioned appeal for the world to tackle climate change and implement an international accord aimed at reducing carbon emissions

The president's chief economic adviser is casting doubt on the future of U.S. coal, saying it "doesn't really make that much sense anymore as a feedstock," directly contradicting Trump's repeated promises to revive the struggling coal industry.

Solar power lights up Syrian refugee camp in Jordan's remote desert, world's first to be hooked up to renewable energy

California met its goal to produce about half the state's electricity from renewable sources for three hours on March 11, a new estimate from the U.S. government shows

A request by Massachusetts for a supply of clean, renewable electricity could give a boost to a series of proposals to carry Canadian renewable energy to southern New England through proposed transmission lines in Vermont, New Hampshire and Maine

Dana Rensi was in Peru working her way through a Fulbright teacher exchange program when she decided to go a little deeper into the jungle

Two of President Donald Trump's former rivals for the GOP White House nomination have won Senate confirmation to join his administration

Falling prices for solar power are leading U.S. electric companies to capture the sun at the same time President Donald Trump has promised to boost coal, drill more fossil fuels and scale back demands that utilities cut greenhouse gas emissions