About 160,000 people die every year from side-effects of global warming (news - web sites) ranging from malaria to malnutrition and the numbers could almost double by 2020, a group of scientists said on Tuesday. The study, by scientists at the World Health Organization (news - web sites) (WHO) and the London School of Hygiene and Tropical Medicine, said children in developing nations seemed most vulnerable. "We estimate that climate change may already be causing in the region of 160,000 deaths...a year," Professor Andrew Haines of the London School of Hygiene and Tropical Medicine told a climate change conference in...