Spurred by its climate action plan, Boulder wants to dump its big coal-reliant utility and form a new municipal utility focused on clean power.
Most of the news on coral reefs is pretty gloomy. But new genetic research shows we shouldn't write off these embattled sea critters just yet.
Astrobiologist David Grinspoon says Venus used to be a lot like Earth, but then this little thing called the greenhouse effect turned it into a scorched, uninhabitable wasteland. Worried yet?
Boosters of natural gas argue that it can serve as a "bridge fuel" between coal and renewables, but a new analysis calls their bluff.
The "Kickstarter of solar" just started accepting investments. Here's why you should be excited.
According to the Federal Trade Commission, Big Food is working to reach kids online and through social media platforms.
A reader wonders what happens to the mesh bags clementines come in. Umbra says those darling little oranges can make a mess in the caverns, in the canyons, and even the foaming brine.
Hagel has long been confused about climate change ... and yet concerned about it too, particularly as a national security issue.
Climate change is not a fight, like abortion or gay marriage, between conflicting groups with conflicting opinions. It's a fight between human beings and physics.