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Current decade is the warmest on record
Jeremy Hance
mongabay.com
December 08, 2009



As 192 countries meet in Copenhagen to wrangle out a complex and at times sticky agreement to combat climate change, the World Meteorological Organization (WMO) has released new evidence that the world is undergoing warming. According to the WMO the current decade is likely the warmest on record.

"The decade of the 2000s (2000–2009) was warmer than the decade spanning the 1990s (1990–1999), which in turn was warmer than the 1980s (1980–1989)," the press release states.

Global average temperatures have been rising for 150 years (when the first dependable temperature measurements were taken) with the warming trend has increasing since the 1970s.


Intergovernmental Panel on Climate Change (IPCC) graph showing that surface temperatures for the past 140 years (global) and the past 1000 years (Northern Hemisphere).
While 1998 is still considered the warmest year on record, researchers say that preliminary data shows 2009 will likely be the fifth warmest. The analysis also shows that while the US and Canada experienced cooler than average temperature this year, temperatures in Southeast Asia and Africa could be the warmest yet.

Warmer temperature exacerbated drought conditions across the world. According to WMO, China experienced its worst drought in five decades. Drought in East Africa killed tens of thousands of livestock, while a poor monsoon season hit India's agriculture hard. A crippling drought in Australia also continued unabated this year.

Temperature data is collected from climate and weather stations around the world, ships and buoys on the sea, and satellites.







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CITATION:
Jeremy Hance
mongabay.com (December 08, 2009). Current decade is the warmest on record. http://news.mongabay.com/2009/1208-hance_decade.html


Tags:
climate change climate science temperatures enviropnment green jeremy hance drought china east africa Australia impact of climate change united states canada

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