The ‘hot’ terms of a then-hot public policy issue have cooled substantially in the past three years as advocates for action on climate change are shifting to more energy- and public health-related rhetoric to try to score their points.

Future historians may regard recent weeks as a momentary breathing spell in the political trajectory of the climate issue. In the courts, preliminary rulings are awaited on a spate of legal challenges to the Environmental Protection Agency’s finding that greenhouse [...]

A sampling of media coverage of Pennsylvania State University’s announcement of findings of an inquiry there illustrates how deadline reporting and headline-writing about a single straightforward news event can lead to differing shadings and colorings. Penn State had named an [...]

Climate change associated with atmospheric warming and depletion of the earth’s protective ozone layer are two separate but interrelated problems, intersecting in complex ways that challenge easy comprehension and also efforts to address them. Recent developments related to chemicals commonly [...]

Impacts. Mitigation. Adaptation. Politics. Economics. Food security. Public health. Those are just some of the key elements that mix together in the broad region where concerns about climate change and agriculture intersect. It’s an area with ample, and untapped, opportunities [...]

 (Editor’s Note:  This piece was slightly edited on May 6, 2009, to correct the reference to the author of the MIT Knight Science Journalism Tracker posting.)  Geoengineering – intentionally manipulating the climate to counteract the unplanned manipulation of manmade warming [...]

After Hurricane Katrina, An Inconvenient Truth, the 2007 reports by the Intergovernmental Panel on Climate Change, and other events pushed the climate change issue higher on the public agenda, it may have seemed that it wouldn’t soon slide back down.