The market for pot in California is booming, thanks to the legalization of medical marijuana, and that means bad news for the environment and critters.
Whether we stop the crazy train with a compromise or careen into the ravine, the fiscal cliff presents serious challenges for cities and agriculture.
In the battle between polluting and not polluting quite so much, how did the world fare in 2012?
The Center for Biological Diversity is running an ad in The New York Times calling for the NRA to stop blocking efforts to remove lead from bullets.
AquAdvantage salmon eat five times the food and grow twice as fast as normal salmon. And now, thanks to the FDA, they're headed for your plate.
Environmental and health advocates, however, argue that the new rules don't go far enough.
Edison International wasted $16 million on pollution credits it didn't want.
A new survey shows that individual conservation efforts have declined.
The president has proposed adding more than 2,700 square miles to a marine sanctuary off the coast of Northern California. Otters rejoice.