From: Chemistry World
"George Luber alleges that the agency retaliated against him for speaking out on climate change and for raising concerns that it was shifting funds intended for climate change and health programmes to other areas. Represented by the non-profit Public Employees for Environmental Responsibility, Luber claims that the CDC leadership prohibited him from talking publicly about climate change, placed his name on a security list and forbade him from entering the agency’s campus in Atlanta without permission."