"In an unusual scenario that raises questions of conflict of interest, a company that conducts research on behalf of the pesticide industry has paid a U.S. government agency to help prove some controversial chemicals are safe."

Three House Republicans have asked newly installed Appropriations chairmen to zero out NASA climate research. This would effectively end scientists' ability to measure changes in climate.

"Scientific research, environmental protection and other priorities of the Obama administration would face steep cuts under a congressional Republican spending plan released Wednesday."

In Gillette, Wyoming, coal country, science teachers can feel the pressure against teaching scientific truth about climate in the classroom. Sometimes they push back.

"The U.S. Environmental Protection Agency has proposed tight restrictions on using people as test subjects — or, as critics have put it, guinea pigs — in pesticide research."

"NASA is about to launch an Earth-observing satellite with new technology onboard designed to broaden our understanding of how the Sun and tiny atmospheric particles called aerosols affect Earth's climate."