climate science38
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Climate News Roundup — Week of 6/14
Bill Gates funds cloud-whitening effort to reduce global warming. Â USA Today Bill Gates is funding research into whether or not it is effective and feasible to increase the albedo of atmospheric clouds by spray sea mist high into the atmosphere. The plan, spearheaded by Silicon Valley inventor Armand Neukermans, is a relatively benign method of…
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Dust and its Impact on Earth’s Climate System
Last month, Columbia’s Lamont-Doherty Earth Observatory hosted a conference on dust in the climate system as part of the NOAA funded Abrupt Climate Change in a Warming World (ACCWW) project. Most often, we think of dust simply as the stuff that accumulates on our windowsills, but those fine particles floating in the air play an…
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Climate News Roundup – Week of 5/31
United States Climate Report to UN Projects 4% Emissions Rise by 2012, Associated Press (via Metronews Halifax) On Tuesday, the U.S. delivered its first emissions report to the United Nations since 2006. Â The projections indicate about a 4% increase in emissions between now and 2020, which includes a 1.5% rise in CO2 emissions. Â The emphasis…
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An Active Hurricane Season Predicted
The IRI’s latest forecast for the Atlantic hurricane season, which started June 1, points to significantly increased hurricane activity this year. In fact, the likelihood of having an above-normal year is more than three times that of having a below-normal year. This could spell trouble for highly vulnerable Caribbean nations such as Haiti – still…
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Year Without a Summer? Not this Time.
You may have heard about the Year Without the Summer, 1816, when severe climate anomalies linked to the eruption of Indonesia’s Mt Tambora provoked widespread famine, the westward expansion of the United States, the invention of the bicycle, and Frankenstein. So epic, so influential: Tales of the dramatic climate impacts of that fateful year got…
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Creating More Useful Forecasts
Seasonal forecasts can be effective tools for agricultural planners, water resources managers and other decision makers. For example, after torrential rains and floods wreaked havoc in the West African nation of Ghana in 2007, displacing some 400,000 people there, the regional office of the International Federation of Red Cross and Red Crescent Societies started using…
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El Niño Begins to Dissipate
Though weak El Niño conditions still exist, it appears that the climatic phenomenon that developed over the course of last summer has finally begun to dissipate. As reported earlier, El Niño is the name given to sustained sea surface temperature (SST) anomalies greater than 0.5°C across the central tropical Pacific Ocean. It is the warm…
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Studying the Impacts of Climate on High-Altitude Ecosystems
Columbia University researchers Laia Andreu Hayles and Daniel Ruiz Carrascal traveled to Colombia last month to investigate the impact of climate on high-altitude ecosystems in the Andes. Supported by the Lamont-Doherty Earth Observatory Climate Center, Andreu and Ruiz are exploring the potential of several high-altitude tree species to reveal information about past climate variability and…
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Looking Back on Winter: Part I
The arrival of spring in temperate climates means more hours of daylight, showers and flowers. Despite the general mood improvement from the dark days of winter, we should not be quick to forget the controversies surrounding this past season. Winter 2010, deemed by media outlets as Snowmaggedon and Snowpocalypse, was the snowiest season on record…
Congratulations to our Columbia Climate School MA in Climate & Society Class of 2024! Learn about our May 10 Class Day celebration. #ColumbiaClimate2024