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.

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

“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.

Timing is running short to develop an international framework to help prevent environmental harm to deep-sea life and to share resources equitably among nations, experts say.

Wolves often get the blame for killing caribou in Canada’s boreal forests, but the real threat is human activity, new research finds.

Environmental, economic and political forces have converged, threatening to finally upend fossil fuel dominance.

Energy policy expert Leah Stokes explains who’s pushing climate delay and denial — it’s not just fossil fuel companies — and what we need to do now.

Transportation, especially commuting, plays an oversized role on global-warming emissions and air pollution. Here’s how much telework matters, and what we can do to improve.

Satellites can help monitor industry and highlight environmental harm. SkyTruth founder John Amos tells us how technological advances are driving conservation efforts — and how people can participate.

We know a lot more now about the ecology of the Gulf of Mexico and the risks of deep-water drilling, but that doesn’t mean we’re any safer.