Contrary to what the U.S. State Department says, the head of an oil-sands company insists that the industry needs the pipeline to help it expand.
There may be fewer tropical cyclones in the Pacific in the future, but those that do form are expected to be stronger and more likely to strike Hawaii.
Activists are pushing colleges and cities to divest, but it turns out many major environmental groups still haven't dumped their own dirty energy stocks, Naomi Klein reports.
It's relatively cheap to fill up a car with natural gas, thanks to the fracking boom. But natural-gas cars are still pricey and filling stations are still rare.
Once Republican voters grasp the reality of climate change, they start to support efforts to do something about it, according to new research.
A planned $2.8 billion coal-to-gas plant could be doomed now that the state legislature has approved tough new ratepayer protections.
It's warm on the coasts and cold and snowy in between. And some kind of hellish weirdness in the Texas Panhandle.
Dryden and more than 50 other municipalities want to ban fracking in case New York's state moratorium is lifted. An appeals court said that's just fine.
Nearly half of the country's fracking wells are located in water-stressed regions, so we might be seeing some ugly fights over water in the West.