"The U.S. Environmental Protection Agency's scientific integrity watchdog is reviewing whether EPA chief Scott Pruitt violated the agency's policies when he said in a television interview he does not believe carbon dioxide is driving global climate change, according to an email seen by Reuters on Friday."

"House Republicans just passed two bills that will make it harder for the Environmental Protection Agency to use scientific research to protect health and the environment. And they’ve done so under the deceptive guise of 'transparency.'"

"The House Science Committee convened a hearing on climate-change science Wednesday morning and it went just as I expected. We learned little, and political theater upstaged almost all productive discussion of science."

"The U.S. Department of Agriculture has quietly dropped a plan to start testing food for residues of glyphosate, the world’s most widely used weed killer and the key ingredient in Monsanto’s branded Roundup herbicides."

"When Michael Mann goes before Congress Wednesday to testify on global warming, he'll be armed with one more piece of evidence that greenhouse gases from fossil fuel burning are fundamentally altering the climate and leading to life-threatening and costly extreme weather."

"'Get your popcorn ready,' writes Judith Curry, one of four witnesses who will testify before the House Science Committee on climate change science next Wednesday."

"Exxon Mobil can’t locate a year’s worth of emails from an alias account used by former CEO Rex Tillerson, now the secretary of state."

"Forty California residents are suing chemical giant Monsanto, alleging that exposure to the company’s Roundup weed killer caused them to develop non-Hodgkin lymphoma."

"In March, the Arctic sea ice pack is supposed to reach its greatest extent - but this year it's far below average, off by an area about the size of Texas and New Mexico combined. Satellite observations currently reveal how much of the ocean surface is covered by ice, but there is another critical measurement to make. Researchers are already anticipating using NASA's Ice, Cloud and land Elevation Satellite-2, or ICESat-2, to measure sea ice in the third dimension."