California's historic drought is forcing once-squeamish Californians to take a new look at “toilet-to-tap” water reuse.
Lisa Jackson on Apple's wide-ranging plan to green its act.
Heat waves and water shortages could devastate U.S. farmlands devoted to corn crop, a new report warns.
Smart choices by cities such as Miami in planning and investment could hold the key to cutting emissions, according to the latest IPCC draft.
Step inside the project that could be the key to Obama’s climate legacy … or a multibillion-dollar boondoggle.
The court injunction brought in by an oil and gas company makes even supermarkets off-limits for Vera Scroggins
The conservative group's anti-green agenda includes efforts to penalize people who install their own solar panels.
A small town in Canada gets a lot of traffic from hungry polar bears -- which is bad news for humans and bears alike. To keep them away, bears need to learn to fear humans.
Chevron, Exxon, and BP are among companies most responsible for climate change since dawn of industrial age.