The equipment has been blocked in Oregon, Idaho, and Montana—in each case by an alliance between Native Americans and environmental groups.
Beyond the dangers of derailment and explosions, Seattleites are worried about oil-by-rail shipping's effect on the climate. Here's what they did about it.
Local landowners and environmentalists who have long opposed the pipeline project are celebrating the decision.
The public comment period for the Keystone XL pipeline opened on Wednesday. This video is the comment from California-based climate group Movement Generation.
Recent signs that Barack Obama may approve the Keystone XL pipeline have some environmentalists feeling down about the future of the climate. But huge and positive changes are quietly taking place.
Donations to a California nonprofit don't just fund one solar installation, but circulate from one project to the next.
Hundreds of ordinary people are contributing to a crowd-sourced effort to measure Fukushima's impact.
Before fighting climate change, we must first confront our emotions about it.
Two sections that essentially told kids that coal was safe and good for the environment disappeared today from the website of a state agency in Illinois.
A plan to bring coal from Wyoming to the Pacific Northwest coast and ship it to Asia will test the mettle of the region's environmentalists.
The backroom negotiations behind the midwestern state’s new fracking regulations may be a taste of what’s to come in other places.
It’s a commercial office space equipped with composting toilets, rainwater showers, and a stairway designed to be so beautiful that no one ever takes the elevator.
Hawaii generates more of its power from the sun than any other state. Here’s what the rest of us can learn from the obstacles that came up along the way and and what’s being done to overcome them.
A century ago, cooperatives electrified the poorest counties in the nation. Today, can they lead the way to a smarter, cleaner grid?