Polls show that the overwhelming majority of Americans recognize the urgency of acting on human-induced climate change. Why then haven't we done more as a nation to address the problem? Penn State climate scientist Michael Mann says politicians are doing the bidding of powerful fossil fuel interests while ignoring the long-term good of the people they’re supposed to represent.
Take Note: How Climate Change Denial Is Threatening Our Planet
![Michael Mann, distinguished professor of meteorology and director of the Earth System Science Center at Penn State, and co-author of "The Madhouse Effect."](https://npr.brightspotcdn.com/dims4/default/463a036/2147483647/strip/true/crop/410x231+0+0/resize/880x496!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Flegacy%2Fsites%2Fwpsu%2Ffiles%2F201612%2Fthe_madhouse_effect.jpg)