"John Christy, a professor of atmospheric science at the University of Alabama here, says he remembers the morning he spotted a well-known colleague at a gathering of climate experts."

"Two dozen protesters were arrested in Washington on Monday while demonstrating against hydraulic fracturing and the U.S. gas industry's push to sell "fracked" liquefied natural gas abroad."

"WASHINGTON — In November 2010, three combatants gathered in a sleek office here to build a carbon emissions policy that they hoped to sell to the Obama administration."

"Environmentalists on Monday protested at the headquarters of the U.S. Federal Energy Regulatory Commission, calling on the agency to stop approving liquefied natural gas export facilities until the climate change impacts of the projects are better understood."

"An environmental campaigner is killed every week in Brazil."

"As a sociologist in the 1970s, Robert Bullard made a dismaying discovery: Houston landfills and incinerators were far more likely to be located in communities of color than in white neighborhoods, even though blacks made up just one-fourth of the city’s population. That realization launched a lifetime of environmental justice work, including leadership in convening the First National People of Color Environmental Leadership Summit and framing the landmark 17 Principles of Environmental Justice in 1991, bringing environmental justice to the fore at the 1992 Earth Summit in Rio de Janeiro, and catalyzing creation of the U.S. Environmental Protection Agency’s Office of Environmental Justice."

"Whistleblower Justin Greenwell told regulators that his company, Armstrong Coal, was misreporting the dust levels in his mine, potentially putting miners in danger of black lung disease."

"A group of mothers, scientists and environmentalists met with U.S. Environmental Protection Agency regulators on Tuesday over concerns that residues of Roundup, the world's most popular herbicide, had been found in breast milk."

A firebrand organizer has convinced conservative Nebraska farmers to oppose the Keystone XL pipeline because they will bear the brunt of Canada's energy expansion. It's about local environmental impacts rather than climate change.