And why should the world care about its new climate report? We tell you everything you need to know to sound smart at a cocktail party.
Livestock rearing contributes 14.5 percent of greenhouse gas emissions -- more than half of that from methane-spewing cattle. Also: We can change this.
Biotech seeds cost more and often return less than conventional crops or organic farming. But they do give farmers a kind of safety net.
Australia's new climate-denying leader scrapped a federal climate task force. Some of his more enlightened countrymen and women are funding it as a nonprofit, instead.
Putin threatens Greenpeace activists who took part in a demonstration against offshore drilling in Russian Arctic waters with serious penalties.
A bike club for African American women takes off in Washington, D.C., as cycling gains momentum in communities of color nationwide.
The traditional environmental movement has a diversity problem. And for the environmentalism as a whole to succeed, that needs to change, says Van Jones.
A crude terminal proposed for Duluth, Minn., would load oil tankers bound for the East Coat through the Great Lakes. But the plans have faltered.
The federal government just came a step closer to regulating fertilizer runoff in the Mississippi River -- runoff that feeds Gulf of Mexico dead zones.