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Whale poo could help seas absorb CO2, say scientists
Whale droppings have emerged as a natural ocean fertilizer which could help combat global warming by allowing the Southern Ocean to absorb more carbon dioxide, Australian scientists have found. New research from the ...
- April 30, 2010
West Africa sets out to protect dying mangroves
Salt is precious in poverty-stricken coastal West Africa, but conservation experts say efforts to extract it are laying waste to mangrove swamps, causing erosion and ravaging fish stocks. In Sierra Leone, one of Africa's ...
- March 12, 2010