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/ 22 November 2007

History shows climate changes led to famine, war

Global warming is one of the most significant threats facing humankind, researchers warned, as they unveiled a study showing how climate changes in the past led to famine, wars and population declines. The world’s growing population may be unable to adequately adapt to ecological changes brought about by the expected rise in global temperatures.

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/ 28 August 2007

Study: HIV impact on Zim less than feared

HIV has slashed life expectancy in Zimbabwe by up to 19 years for men and 22 years for women but births still outpace deaths, according to the first study to detail how the Aids pandemic has affected the country’s wider population. The study, led by Simon Gregson of Imperial College London, sought to gauge HIV’s impact on Zimbabwe to see if researchers got it right in 1989.