Sinking Global Warming: Is There a Reliable Way to Track Atmospheric Carbon Dioxide Levels?
Wednesday, November 18, 2009 - 17:49
in Earth & Climate
The planet soaks up excess carbon dioxide via oceans, plants and soils, among other natural systems, locking away some of the greenhouse gases emitted by burning fossil fuels . In fact, every year these natural "sinks" absorb a larger and larger tonnage of emissions--but thanks to the increasing amount of CO 2 and other greenhouse gases dumped in the atmosphere by human activity, the proportion that is reabsorbed is beginning to dwindle, according to new studies. [More]