A plan to import hydropower from Canada to Massachusetts begs the question of whether big hydro along with its reservoirs and dams, is green enough to be worth the cost.

Thousands of fires in the world’s largest tropical wetlands have put the region’s Indigenous communities and Brazil’s unique wildlife at risk.

Despite divestment victories, big banks and asset managers continue driving climate change through their lending practices.

West Coast citizens who’ve lost their homes or fled to other locations still have opportunities to participate in the election. But they have to act quickly.

This month’s western megafires have burned millions of acres and upended countless lives. It’s a sign of things to come if we don’t start to listen and act.

The EPA allowed polluters to stop monitoring or even preventing their emissions, and many states followed suit. Here’s what happened — and how to fix it.

Ecuador’s Los Cedros Reserve, one of Earth’s most biodiverse habitats, could be wiped out by mining. A court case could save it — and set a precedent for the planet.

Being able to forecast marine heatwaves could help minimize ecological and economic damage. But first, scientists need to better understand what's driving these events.

“Routine flaring” from oil wells produces emissions that harm the climate and human health. Two states have proposed new rules to reduce it, just as the true scope of the problem emerges.

Coastal mangrove forests help protect communities and habitats from storm surges, but sea-level rise could wipe them out.