"Tyson Foods could lose around $500 million in government contracts if found guilty in and ongoing criminal probe by the Environmental Protection Agency over the recent release of toxic chemicals at a plant in Monett, Mo."

"New Hampshire Senate candidate Scott Brown has added his name to the list of Republicans who have dismissed the science behind climate change, despite previously stating that global warming is real."

"The Obama administration is working to forge a sweeping international climate change agreement to compel nations to cut their planet-warming fossil fuel emissions, but without ratification from Congress."

The wolf known as OR7 prompted some reflective writing -- and a flood of reader response -- in the Pacific states. The coverage reminds us that there is room for the personal and evocative as well as the objective and informative in environmental journalism. And it restored Sacramento Bee writer Matt Weiser's faith in the newspaper.

"PITT MEADOWS, British Columbia – On an early spring morning the Pitt River flows so calmly that the peaks of the Coast Range seem to pause to admire themselves in its glassy waters. A motorboat lifts a wake, and the docks of the marina moan. Still tucked in for the winter, the pleasure boats stir then rock themselves back to sleep."

"Of all the global warming gasses, methane is one of the very worst. Pound for pound, the Environmental Protection Agency says its effect on global warming is 20 times greater than that of carbon dioxide. And though its lifetime in the atmosphere is substantially shorter than carbon dioxide, it’s “more efficient at trapping radiation.”

"An MIT climate change study released Sunday indicates the cost of slashing coal-fired carbon emissions would be offset by reduced spending on public health. The EPA-funded study examined climate change policies similar to those proposed by the Obama administration in June."

"FARGO, N.D. — The furious pace of energy exploration in North Dakota is creating a crisis for farmers whose grain shipments have been held up by a vast new movement of oil by rail, leading to millions of dollars in agricultural losses and slower production for breakfast cereal giants like General Mills."

"WASHINGTON - The United States has made progress in reducing dangerous air pollution since 1990 but work remains to reduce risks for the country's most overburdened urban areas, the U.S. Environmental Protection Agency's top official said on Thursday."

"A 55-gallon drum of nuclear waste, buried in a salt shaft 2,150 feet under the New Mexico desert, violently erupted late on Feb. 14 and spewed mounds of radioactive white foam."