Other than being outstandingly beautiful and harsh to live in, the Arctic tundra is also one of the largest carbon sinks in the world, beside the oceans. Over millennia, impressive amounts of carbon dioxide (CO2) have been trapped by the soils and permafrost in these regions, and have been stored in the frozen ground... |
5 August 2009 01:28 GMT |
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Under normal conditions, forests around the world are able to absorb approximately 20 percent of all carbon dioxide emitted by humans from burning fossil fuels, such as oil, coal and natural gas. This amounts to a massive 4.8 billion tonnes of CO2 each year, an extremely large quantity that would otherwise be left i... |
19 February 2009 16:01 GMT |
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Concerns about the state of the world's oceans have increased over the past few decades, as the effects of global warming became more and more obvious to those who could see them. These worries prompted several studies of global waters, including the Pacific and the Atlantic Oceans. However, until recently, the ... |
24 November 2008 08:38 GMT |
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