greenhouse gases4
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Nearly All of Antarctica Is Warming
New Study Shows Steady 50-Year Rise
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Rocks Could Be Harnessed to Sponge Vast Amounts of Carbon Dioxide from Air, Say Researchers
Proposed Method Would Speed Natural Reactions a Million Times
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Curbing Coal Emissions Alone Might Avert Climate Danger, Say Researchers
Oil and Gas Seen to Have Lesser Effect
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Voyage To Southern Ocean Aims To Understand Air-Sea Fluxes Of Greenhouse Gases
High winds and big waves are part of the data – and the challenge
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Climate Change, Seen Through the Eyes of Scientist and Poet
The work of a dozen Columbia Earth Institute scientists is featured in three new books—not all in the usual nonfiction format. In addition to two journalistic works on climate change, there is Time and Materials, by Robert Hass, former poet laureate of the United States. In “State of the Planet”–written for the fiftieth anniversary of…
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New Study Finds World Temperatures Approaching Ancient Levels
A new study led by James Hansen of NASA’s Goddard Institute for Space Studies, a part of The Earth Institute, finds that the world’s temperature is reaching a level that has not been seen in thousands of years. The study was published in the September 26, 2006 issue of the Proceedings of the National Academy…
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Columbia Student Advises Community on How to Cut Greenhouse Gases
by Jessie Stensland Global warming is a hot issue these days. Former Vice President Al Gore is getting rave reviews for his movie about climate change. President George Bush finally admitted last year that human activity “may” be causing global warming. While the federal government has been resistant toward taking substantial steps to curb the…
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Could Reducing Global Dimming Mean a Hotter, Dryer World?
Despite concerns over global warming, scientists have discovered something that may have actually limited the impact of greenhouse gases in the atmosphere in recent years by reducing the amount of sunlight reaching the surface of the Earth. In research they published last year in the journal Geophysical Research Letters, a team led by Beate Liepert…
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Answers About the Earth’s Energy Imbalance by James E. Hansen, Director of the Goddard Institute for Space Studies
Below are answers to typical questions about this research topic and its implications provided by James E. Hansen, director, NASA’s Goddard Insittute for Space Studies. Hansen was lead author on a paper published by Science in April 2005 on this topic. What is the direct significance of the energy imbalance found by the authors in…