A report concludes that each ton of CO2 emitted inflicts almost 45 times more "social cost" than the federal government estimates
The armadillo is moving north thanks to climate change, as are mice and other mammals
Vegetation change underway in boreal forests as a result of climate change creates a feedback loop that prompts more warming, scientists say
EPA list of cities with the most energy-efficient buildings shows dramatic growth
Pollen season is lengthening in proportion to warming observed in North America
A multi-agency effort to nail down the social cost of carbon emissions ignores wrenching climate impacts such as ocean acidification and makes efforts to curb emissions seem disproportionately expensive, economists say...
Forests play a key role in offsetting U.S. emissions of greenhouse gases, but that ability may shrink as the climate changes
New analyses predict health savings from more aggressive reductions in the greenhouse gas emissions causing climate change
Flipping off the lights is not the best way to save energy
Glaciers in one of the world's last tropical ice caps will be gone within a matter of years
Low-tech approach spreads climate news in rural countries
Cryptococcal infection, once thought to be an exclusively tropical disease, has killed 60 people in the Pacific Northwest as of July, and health experts suspect climate change is involved...
From heat stress to sewage overflows, climate change promises to bring extreme weather that will challenge the ill-prepared U.S. public health infrastructure
An academic inquiry cleared climate scientist Michael Mann of any academic misconduct arising from leaked e-mails
A new report argues that green building standards are weighted too heavily toward energy conservation
Local governments serve as idea labs for federal lawmakers as they consider changes to national climate and energy reform
Two reports from the federal government suggest that investing in environmentally friendly technologies and practices boost the economy and reduce pollution
Global warming has neither stopped nor slowed in the past decade, according to a draft analysis of temperature data by the NASA Goddard Institute for Space Studies
Researchers must purge e-mail in-boxes daily of threatening correspondence, simply part of the job of being a climate scientist
The Obama administration says no, California says yes. Who is right?