Research Features
Fresh Air for the Future
A study of tropospheric ozone and black carbon, pollutants from human activities which disrupt Earth's climate, shows that emission control measures could prevent millions of premature deaths by the year 2030.
(Oct '12)
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Far-Out Photosynthesis
As we search for habitable planets in other solar systems, how similar can we expect the optical signs of photosynthesis to be those of Earth?
(Feb '12)
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From Ash in the Wind to Smoke from the Stack
Aerosols don't just come from spray cans. Any airborne particle or droplet, whether from a canister, the smokestack of a factory, or a dust storm, is an aerosol.
(Apr '10)
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Cold Snaps Plus Global Warming Do Add Up
Even as the globally averaged temperature trends upward, extended periods of regionally cool weather and even historic snowfalls can still occur.
(Feb '10)
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Catalog of Change
From declining fish catches in African lakes to shortened hibernation of North American mammals, climate change is having observable impacts around the world.
(Nov '09)
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Think Global, Act Local
A study that examined how pollution causes variations in how much solar radiation reaches Earth's surface used both local and satellite data.
(Nov '09)
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Linking Climate and Habitability
Scientists are now learning how small shifts in climate can have dramatic consequences for the planet's environment and the life that depends on it.
(Jun '09)
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Earth's Temperature Tracker
After tracking Earth temperature for decades, NASA scientist James Hansen is confident the global warming trend observed since 1880 is mainly the result of human-produced greenhouse gases.
(Nov '07)
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Study the Past, Predict the Future
Scientists use the theories they have constructed to explain the paleoclimate data record to understand modern climate and to predict how we can expect it to change in coming years or decades.
(Nov '06)
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Methane: Climate Super-Star
In 30 years, our knowledge of methane has traveled from obscure trace gas to important greenhouse forcing, both natural and anthropogenic. What caused this change, and what role has methane played in climate, both in the past and future.
(Sep. '04)
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Atmospheric Tango
Ozone affects climate, and climate affects ozone. Temperature, humidity, winds, and the presence of other chemicals in the atmosphere influence ozone formation, and the presence of ozone, in turn, affects those atmospheric constituents.
(Feb. '04)
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