The federal judges noted "the Forest Service's serious environmental concerns that were suddenly, and mysteriously, assuaged in time to meet a private pipeline company's deadlines."
As a major climate conference nears its end in Poland, negotiators are still haggling over the rules nations must follow in order to meet their commitments to reduce greenhouse gases.
A U.N. climate report says the only way to avoid the worst climate impacts will be to suck carbon emissions out of the air. Researchers are trying to find a feasible way to do that.
Ignoring pressure from President Trump to keep the oil flowing, OPEC, Russia and other producers have agreed to cut production. They hope to stem a 30 percent drop in oil prices in recent weeks.
The Interior Department is moving forward on revisions to Obama-era conservation plans for the greater sage grouse. The changes would ease restrictions on energy development.
The Trump administration wants to reverse a rule that would have required new coal plants to have expensive technology to capture their carbon dioxide emissions.
The food industry is already feeling the effects of climate change, which will likely force expensive adaptations in the future. At least one sector is looking to make energy companies pay.