However, with current emissions trends, this would lead to very high temperatures to the end of the 21st century. (realclimate.org)
But in fact, a major 2004 study warned that things will get much, much worse if we don't take action soon to reverse greenhouse gas emissions trends. (thinkprogress.org)
Provides an overview of emission trends and discusses the primary drivers for changes in emissions. (epa.gov)