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Showing posts with label global. Show all posts
Showing posts with label global. Show all posts
Thursday, March 22, 2007
Southern Ocean current faces slowdown threat
http://news.yahoo.com/s/nm/20070322/sc_nm/climate_ocean_dc;_ylt=AoUbepe1lEn6QaoMWwjO8xIDW7oF
The impact of global warming on the vast Southern Ocean around Antarctica is starting to pose a threat to ocean currents that distribute heat around the world, Australian scientists say, citing new deep-water data.
Melting ice-sheets and glaciers in Antarctica are releasing fresh water, interfering with the formation of dense "bottom water," which sinks 4-5 kilometers to the ocean floor and helps drive the world's ocean circulation system.
A slowdown in the system known as "overturning circulation" would affect the way the ocean, which absorbs 85 percent of atmospheric heat, carries heat around the globe.
The impact of global warming on the vast Southern Ocean around Antarctica is starting to pose a threat to ocean currents that distribute heat around the world, Australian scientists say, citing new deep-water data.
Melting ice-sheets and glaciers in Antarctica are releasing fresh water, interfering with the formation of dense "bottom water," which sinks 4-5 kilometers to the ocean floor and helps drive the world's ocean circulation system.
A slowdown in the system known as "overturning circulation" would affect the way the ocean, which absorbs 85 percent of atmospheric heat, carries heat around the globe.
Wednesday, March 21, 2007
Gore implores Congress to save planet
http://news.yahoo.com/s/ap/20070321/ap_on_go_co/gore;_ylt=AmR5BSTEpbp7RUBNnkGIWKwEtbAF
Fresh off a triumphant Academy Awards appearance in which his climate change documentary "An Inconvenient Truth" won two Oscars, Gore drew overflow crowds as he testified before House and Senate panels about a "true planetary emergency" if Congress fails to act. He said addressing the problem is a moral issue and should not be a partisan or political.
Fresh off a triumphant Academy Awards appearance in which his climate change documentary "An Inconvenient Truth" won two Oscars, Gore drew overflow crowds as he testified before House and Senate panels about a "true planetary emergency" if Congress fails to act. He said addressing the problem is a moral issue and should not be a partisan or political.
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