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Global climate change: The impact of El Niño on Galápagos marine iguanas
12-11-2007 · EurekAlert!A before-and-after study led by Yale biologists, of the effects of 1997 El Niño on the genetic diversity of marine iguanas on the Galápagos Islands, emphasizes the importance of studying populations over time and the need to determine which environmental and biological factors make specific populations more vulnerable than others.
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Keywords: global, climate, change, impact, niño, galápagos, marine, iguanas, galápago, iguana
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- 'Noah's flood' kick-started European farming
11-18-2007 · EurekAlert!
The flood believed to be behind the Noah's Ark myth kick-started European agriculture. This research paper assesses the impact of the collapse of the North American (Laurentide) Ice Sheet, 8,000 years ago. The results indicate a catastrophic rise in global sea level led to the flooding of the Black Sea and drove dramatic social change across Europe. The research team argues that, in the face of rising sea levels driven by contemporary climate change, we can learn important lessons from the past
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- Intensified research effort yields climate-resilient agriculture to blunt impact of global warming
12-04-2006 · EurekAlert!
In reporting new forecasts of the devastating impact of climate change on food production in some of the globe's poorest regions, the world's largest alliance of international agricultural research centers today announced it is embarking on a new effort to intensify and streamline research to reduce developing countries' vulnerability to climate change caused by global warming.
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- Economists help climate scientists to improve global warming forecasts
01-21-2008 · EurekAlert!
Climate scientists are collaborating with experts in economic theory to improve their forecasting models and assess more accurately the impact of rising atmospheric carbon dioxide levels. Although there is broad consensus that there will be a significant rise in average global temperature, there is great uncertainty over the extent of the change, and the implications for different regions.
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- Scientists warn of climate change risk to marine turtles
02-19-2007 · EurekAlert!
North American marine turtles are at risk if global warming occurs at predicted levels, according to scientists from the University of Exeter. An increase in temperatures of just one degree Celsius could completely eliminate the birth of male turtles from some beaches. A rise of three degrees Celsius would lead to extreme levels of infant mortality and declines in nesting beaches across the USA.
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- Antarctic icebergs -- Hotspots of ocean life
06-21-2007 · EurekAlert!
Global climate change is causing Antarctic ice shelves to shrink and split apart, yielding thousands of free-drifting icebergs in the nearby Weddell Sea. According to a new study in this week's journal Science these floating islands of ice -- some as large as a dozen miles across -- are having a major impact on the ecology of the ocean around them, serving as "hotspots" for ocean life, with thriving communities of seabirds above and a web of phytoplankton, krill and fish below.
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- Soot from wood stoves in developing world impacts global warming more than expected
10-24-2006 · EurekAlert!
New measurements of soot produced by traditional cook stoves used in developing countries suggest that these stoves emit more harmful smoke particles and could have a much greater impact on global climate change than previously thought, according to a study scheduled to appear in the Nov. 1 issue of the American Chemical Society journal Environmental Science and Technology.
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- Global warming will reduce ocean productivity, marine life
12-06-2006 · EurekAlert!
A 10-year, satellite-based analysis has shown for the first time that primary biological productivity in the oceans -- the growth of phytoplankton that forms the basis for the rest of the marine food chain -- is tightly linked to climate change, and would be reduced by global warming. This would cause a rapid, overall reduction in marine life.
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- World's largest marine protected area created in Pacific Ocean
02-14-2008 · EurekAlert!
The small Pacific Island nation of Kiribati has become a global conservation leader by establishing the world's largest marine protected area -- a California-sized ocean wilderness of pristine coral reefs and rich fish populations threatened by over-fishing and climate change.
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- US Climate Change Science Program making good progress in documenting and understanding changes
09-13-2007 · EurekAlert!
Climate change research directed by the federal government has made good progress in documenting and understanding temperature trends and related environmental changes on a global scale, says a new report from the National Research Council. The ability to predict future climate changes also has improved, but efforts to understand the impact of such changes on society and analyze mitigation and adaptation strategies are still relatively immature, added the committee that wrote the report.
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- Scientists to track impact of Asian dust and pollution on clouds, weather, climate change
04-18-2007 · EurekAlert!
Scientists using the nation's newest and most capable aircraft for environmental research are launching a far-reaching field project this month to study plumes of airborne dust and pollutants that originate in Asia and journey to North America. The plumes are believed to affect weather systems and global climate.
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