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9 December 2011
Surviving an acidic tide
Francisco Chavez has been studying a single bay in northern California for over half his scientific career. But his work isn’t isolated; his measurements are helping tell the story of Pacific Ocean acidification.
24 September 2010
Can we limit global warming to 2 degrees Celsius?
Members of the United Nations are in growing agreement that to avoid the worst affects of climate change, the world will need to limit the rise in global average temperature to 2 degrees Celsius. What will it take to meet that target? The AVOID Programme was started in the United Kingdom to provide policy-makers with answers to questions like this and others about climate change. Scientists from the Met Office …
2 September 2010
Should Mother Nature have to sign the Copenhagen Accord?
Carbon dioxide releases by hurricanes are significant, but offset by ocean cooling and phytoplankton growth A hurricane’s passage over warm ocean waters can drive a significant amount of carbon dioxide from the waves to the sky. The violent winds associated with a passing storm can dramatically increase the gas exchange between the ocean and the atmosphere, sending over a hundred million metric tons of the greenhouse gas into the atmosphere …
9 August 2010
What role do rivers play in the carbon cycle?
The importance of carbon dioxide as a greenhouse gas in climate change is spurring studies to assess each source where the gas is emitted and each ‘sink’ (like forests and soils) where it is absorbed – and how much carbon comes and goes from each. At the Meeting of the Americas, David Butman of Yale University presented the first estimate of how much carbon enters the atmosphere annually from the rivers and …