"The EPA has been unable to collect the data it needs from the multibillion dollar oil and gas sector, which has stymied a five-year federal study."

"A University of Colorado environmental studies professor says he is the target of a congressman's "witch hunt" because he expressed doubt in congressional testimony about whether climate change is making natural disasters worse."

"Scientists have witnessed carbon dioxide trapping heat in the atmosphere above the United States, chronicling human-made climate change in action, live in the wild."

"Democratic lawmakers in Washington are demanding information about funding for scientists who publicly dispute widely held views on the causes and risks of climate change."

"A key Democratic lawmaker is seeking an expanded inquiry into whether fossil-fuel companies have been secretly underwriting the research of some of the country’s most prominent scientific skeptics of climate change."

"Recently released documents show that fossil fuel interests paid more than $1.2 million to fund the research of a prominent climate change-denying scientist affiliated with the Harvard-Smithsonian Center for Astrophysics. Now, a Democratic senator is calling for an investigation into whether other coal and oil companies are funding climate deniers."

"DECEPTION ISLAND, Antarctica — Earth's past, present and future come together here on the northern peninsula of Antarctica, the wildest, most desolate and mysterious of its continents."

"The oil and gas industry sponsors and spins research to shape the scientific debate over horizontal hydraulic fracturing, or fracking. That's the conclusion of a watchdog group's analysis of more than 130 documents distributed to policymakers by industry representatives."

Politicians and fossil-energy companies denying climate change often point to scientist Willie Soon's work to support their position. Newly disclosed documents show that Soon's work is largely funded by fossil-energy interests, and that he violated journal policies by failing to disclose these conflicts of interest.

"Earlier this month the U.S. Navy's research office rented out a conference center in Washington, D.C., to show off some of its hottest new technology."