"WASHINGTON, DC -- The U.S. Forest Service is investing $40.6 million to acquire 27 pieces of land in 15 states that the agency says will help safeguard clean water, provide recreational access, preserve wildlife habitat, enhance scenic vistas and protect historic and wilderness areas."

"Electric vehicles in the United States save money on fuel and are less polluting than most gasoline-powered vehicles, even in places where electricity is made by burning coal, the Union of Concerned Scientists said in a report released on Monday."

"'Drivers should feel confident that owning an electric vehicle is a good choice for reducing global warming pollution, cutting fuel costs, and slashing oil consumption,' said Don Anair, a senior engineer on UCS's clean vehicles program.

"VIENNA, W.Va. -- A team of experts revealed Monday that it has found a "probable link" between C8 and human cancers, rebuffing DuPont Co.'s longstanding contention that exposure to the chemical is harmless."

"An oil sheen in the Gulf of Mexico last week came from a natural sea floor seep and not from Royal Dutch Shell offshore production platforms, the U.S. Bureau of Safety and Environmental Enforcement (BSEE) said on Monday."

"'A modest amount of oil is being released from a natural sea floor seep previously suspected as the source of an oil sheen reported last week in the Gulf of Mexico,' BSEE said in an emailed news release."

Bruce Nichols reports for Reuters April 17, 2012. [26]

"Two billion years ago, around the time atmospheric oxygen levels were rising, one cell engulfed another, and instead of becoming lunch, the ingestee became an Earth-changer and, eventually, a vital part of you: mitochondria."

"YOKOSUKA, Japan -- To the world's military leaders, the debate over climate change is long over. They are preparing for a new kind of Cold War in the Arctic, anticipating that rising temperatures there will open up a treasure trove of resources, long-dreamed-of sea lanes and a slew of potential conflicts."

"Six individuals [were] honored Monday at the San Francisco Opera House for their efforts to conserve their local environments and ways of life."

"After dropping for two years during the recession, emissions of the gases blamed for global warming rose in 2010 as the economy heated up, the Environmental Protection Agency reports. Output of carbon dioxide and other heat-trapping gasses were up 3.2 percent from 2009 as the nation climbed slowly out of the deepest economic downturn since the Great Depression, the E.P.A. said."