Nonetheless mature forests do play an important role in the global carbon cycle as stable carbon pools, and clearance of forests leads to an increase of atmospheric carbon dioxide levels. (sciencedaily.com)
The likely disasters are most likely to be caused by the «environmentalists» and their allies, not by alleged increases in atmospheric carbon dioxide levels caused by human activities. (carlineconomics.com)
The 800,000 year history of atmospheric carbon dioxide concentrations, showing the huge spike in the past century. (mashable.com)