"A radical shift in the world energy picture is raising environmental concerns in the United States."

Oil-and-chemical billionaire David Koch lobbies hard to influence U.S. politics and environment and energy policy. Did his money influence the kind of coverage presented on public television?

"Organizers say 'March against Monsanto' protests held in 52 nations and 436 cities. Anti-Monsanto rallies sparked by a Facebook page in February."

"SWARTHMORE, Pa. -- Student activists at more than 200 colleges are trying a new tactic in hopes of slowing the pace of climate change: They are asking their schools to stop investing in fossil fuel companies."

"A coalition of grassroots environmental groups—plus a few professors and celebrities—issued a public message to the Environmental Defense Fund on Wednesday: You don't speak for us on fracking."

"WASHINGTON, DC -- The Obama Administration’s plan to remove the gray wolf from the protections of the Endangered Species Act, as detailed in a draft Federal Register notice released today by Public Employees for Environmental Responsibility, PEER, is temporarily on hold."

"Elders and chiefs of at least 10 sovereign nations walked out of a meeting with U.S. State Department officials in Rapid City, South Dakota, on Thursday May 16 in which the government was attempting to engage in tribal consultation over the Keystone XL pipeline."

"This isn’t the first time the agency has investigated political groups – just the first time it’s become a full-blown controversy."

"MEXICO CITY -- Fed up with oil spills from facilities belonging to Mexico’s state oil company Pemex, residents of two communities in the southeastern state of Tabasco are taking the country’s largest company to court in a bid for compensation for damage to the environment and agriculture."

"Hundreds of people took to the streets of the southwestern Chinese city of Kunming on Thursday to protest against the planned production of a chemical at a refinery, the second demonstration this month against the project."