[PCA] NEWS: Tropics expanding due to climate change: study

[Olivia Kwong]

http://news.yahoo.com/s/afp/20090706/sc_afp/scienceclimatewarmingaustraliatropics

Tropics expanding due to climate change: study
2 hrs 4 mins ago

MELBOURNE (AFP) -- Climate change is rapidly expanding the size of the 
world's tropical zone, threatening to bring disease and drought to heavily 
populated areas, an Australian study has found.

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