Fossil and temperature records over the past 520 million years show a correlation between extinctions and climate change
An international panel of experts recommends fixes for the world's energy—and climate—crises
Carbon dioxide levels in the atmosphere continue to rise thanks to dirtier economies and a weakening in natural systems' ability to remove the greenhouse gas
Concern about carbon dioxide emissions lurk behind rejection of new coal-fired power plants
Even the Bush administration has started to recognize U.S. legal obligations to fight global warming
The president says cutting greenhouse gas pollution should be a "long term goal"—but offers no hint of what that goal might be
World leaders share their views and fears about climate change, but are split on what to do about it
A new method for analyzing fossilized shells confirms link between carbon dioxide levels in the atmosphere and warmer oceans
Space shuttle fix nixed, decapitated walruses and more
Climate change explains shifting rainfall patterns: wet places getting wetter and dry places drier
Why are climatologists so highly confident that human activities are dangerously warming the earth?
Liquid coal would produce roughly twice the global warming emissions of gasoline
Are bigger, brighter "night shining" clouds a symptom of climate change? A NASA mission aims to find out
Using ice cores from Antarctica and Greenland, researchers have extended the climate record back 800,000 years and have shown that the world's largest island may have been sealed in ice for at least that long
Computer simulations reveal that the Earth's crust must stay really warm to keep most of North America above water. Karen Hopkin reports.
Splotches of mercury may be the first example of weather on a star
After the U.S. Supreme Court ruling, how stiff will greenhouse gas regulations be?
Arctic plants have retreated and advanced in their colonization of fertile regions with great speed and over vast distances as the climate changes
Geoengineering could help stave off global warming, but it could also create some big problems