Guardian: A major study for the UK government has cast doubt over claims that rising temperatures are causing soil to pump greater amounts of carbon dioxide into the atmosphere, further fuelling global warming. In 2005 it was reported in the science journal Nature that over the past 25 years 100m tonnes of carbon dioxide had been released by the soil of England and Wales. The figure cancelled out all emissions cuts in the UK since 1990. However, a national survey of the soils of Great …