Climate scientist Michael Mann (of the ubiquitous "hockey stick" graph) describes the public-relations campaign that's being waged with the help of politicians, media outlets and the fossil-fuel industry to discredit climate science through arguments that fail to hold up to scientific scrutiny.

Joe Romm asserts that since the public is not routinely exposed to repeated doomsday messages about climate change, this type of messaging cannot be responsible for a decline in public concern.