Zimbabwe has asked southern African countries for $2bn (£1.4bn) to rescue its collapsed economy, says South Africa's finance minister.Trevor Manuel told South African radio Zimbabwe wanted half the money to be used for emergencies in education, health and municipal services.The other half would be used to kick-start the retail and other sectors.Aid to Zimbabwe is top of the agenda as Southern Af Read More »
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The oceans are thought to have absorbed about half of the extra CO2 put into the atmosphere in the industrial ageThis has lowered its pH by 0.1pH is the measure of acidity and alkalinityThe vast majority of liquids lie between pH 0 (very acidic) and pH 14 (very alkaline); 7 is neutralSeawater is mildly alkaline with a "natural" pH of about 8.2The IPCC forecasts that ocean pH will fall by "between Read More »
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