Climate & Climate Change

Sailboat in calm sea near Kiribati
December 22, 2014
A piece of coral in a University of Arizona lab has revealed a link between Pacific trade winds and shifts in 20th century climate.
Greenhouse gases & past African rain: Photo of Ubari Oasis in southern Libya
December 04, 2014
New research demonstrates that an increase in greenhouse gas concentrations thousands of years ago was a key factor in causing substantially more rainfall in two major regions of Africa.
December 02, 2014
Find answers to questions about these atmospheric patterns, which play a key role in year-to-year weather and climate variation around the world.
A wall of dust swept across Melbourne, Australia, during the El Nino of 1983
December 02, 2014
An introduction to El Niño, La Niña, what we've learned about them — and where research is headed next.
Map of land/ocean temperatures, departures from average, Feb 2014
November 07, 2014
There's major disagreement among scientists on exactly what might be causing a tendency toward colder winters over the last few years in places like the central and eastern United States, Europe, and Russia.
Decadal prediction: Map showing trends in sea surface temperature
September 08, 2014
If today’s tools for multiyear climate forecasting had been available in the 1990s, they would have revealed that a slowdown in global warming was likely on the way, according to new research.
Sea surface temperatures during 2007–08 La Niña
August 13, 2014
For millions of people, El Niño or La Niña indicates whether they’re likely to face unusually warm, cold, wet, or dry conditions over the coming winter. A new modeling study pins down the process that apparently determines why La Niña events often last twice as long as typical El Niño events—a result with major implications for seasonal predictions.



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