2 February 2005Jeremy Lovell EXETER, Feb 2 (Reuters) - Africa's poor millions risk bearing the brunt of the global warming crisis unless urgent action is taken now, a Nigerian scientist said on Wednesday. Anthony Nyong from Jos University said if current trends continued, temperatures in sub-Saharan Africa could rise by two degrees centigrade by 2050 and rainfall could drop 10 percent, leading to major water shortages. "There must be substantial and genuine reductions in greenhouse gas emissions by the principal emitters," he said in a paper to a climate change conference, noting that the G8 group of rich nations accounted for nearly half of world carbon dioxide (CO2) emissions in 1999. British Prime Minister Tony Blair has pledged to make Africa and the battle to curb climate change the top priorities for his presidency of the G8 this year. Scientists say climate warming is caused by gases such as CO2, and most accept that much of this is from human activities like car exhausts and electricity generation. Almost alone in the developed world, the United States disputes the human element in climate change. Nyong noted that while global warming was a crisis for the whole world, Africa was among the worst placed of the continents to face it because of water shortages and its dependence on agriculture for food and export earnings. "Africa's high vulnerability is not only due to climate change but a combination of other stresses," he said. "Such stresses include poverty, wars and conflicts, limited technological development, a high disease burden and a rapid population growth rate." The World-Wide Fund for Nature, which sponsored Nyong's paper, said it was a wake-up call to the world. "If global warming is not tackled, the viability of millions of people's livelihoods in Africa will be undermined. Without significant new resources, millions of others won't be able to adapt to changes that are already happening," said Catarina Cardoso, Head of Climate Change at WWF-UK. "We need a commitment from governments that they will curb emissions now to cap the rise at two degrees. That is the tipping point," she said. "There must also be new funds to help the poor cope with the climate change that will take place."
The group said that by the 2080s, climate change would have put an extra 80-120 million people at risk of hunger -- up to 80 percent of whom would be in Africa because of the dependence on ecosystems that would be the first to go as the climate changed.
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