National (U.S.)

As Congress has gridlocked on climate change, the Obama EPA has pushed forward to regulate greenhouse emissions under its Clean Air Act authority. Now some Congress members are proposing legislation to prevent EPA from doing that as well. The key question is how much support they can win from coal- and oil-state Democrats.

"Natural food advocates are optimistic that the government is committed to a meaningful certification process. They point to an edict that livestock must graze on pasture at least four months a year."

"The United States is poised to launch Thursday the latest in its family of high-tech meteorological satellites that watch storm development and weather conditions on Earth from high in space."

"Just in time for the Oscars, the environmental group Californians for a Healthy and Green Economy is holding its own red-carpet event. An eco version of the Razzies, the Toxies will take place Wednesday at the Egyptian Theater in Hollywood and hand out awards for 'bad actor' chemicals."

"The Environmental Protection Agency is riling many businesses with proposals to regulate greenhouse gases for the first time, but data suggest it has been slow out of the gate under President Barack Obama in enforcing existing regulations on traditional pollutants."

"Critics of the teaching of evolution in the nation's classrooms are gaining ground in some states by linking the issue to global warming, arguing that dissenting views on both scientific subjects should be taught in public schools."

"Environmental activists filed suit Tuesday against the poultry giant Perdue Farms and an Eastern Shore farm where Perdue chickens are raised, contending that the farm is polluting the Chesapeake Bay with manure-laden runoff."

Two Texas-based refining companies, Valero and Tesoro, and the PR firm they have hired, have refused comment on a story identifying them as the sole sources of money behind a state bill that would suspend California's law cutting greenhouse gases.