"Climate scientist Michael Mann can proceed with defamation claims against two writers who accused him of fraud and misconduct related to his iconic 'hockey stick' graph of global warming trends, a panel of three judges on the District of Columbia Court of Appeals ruled today."

"A prominent medical journal on Monday published a scathing attack on global health advice to eat less sugar. Warnings to cut sugar, the study argued, are based on weak evidence and cannot be trusted. But the review, published in The Annals of Internal Medicine, quickly elicited sharp criticism from public health experts because the authors have ties to the food and sugar industries."

"A coalition of the world’s most powerful bankers, regulators and even executives at some heavy polluters have a message for oil and gas companies: Be more forthcoming about the risks posed by climate change."

"Christopher Horner, a relentless hunter of U.S. EPA documents, is now allowed inside the agency's walls."

"A union representing public servants has reached a tentative contract that it says gives federal scientists the right to share their research with the media without first being designated official spokespeople."

"The conservative network helmed by billionaire brothers Charles and David Koch is launching a for-profit public relations agency."

"The Weather Channel has a message for the website Breitbart: 'Earth Is Not Cooling, Climate Change Is Real and Please Stop Using Our Video to Mislead Americans'"