Summary . Global warming and cooling cycles over geological time scales are correlated with increasing and decreasing concentrations of at...

Global warming is the rise in the average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. Since the ...
Summary . Global warming and cooling cycles over geological time scales are correlated with increasing and decreasing concentrations of at...
Summary . The atmospheric CO 2 concentration has just exceeded 400 ppm, and is continuing to grow. More importantly, contemporary CO 2 ...
Summary . The Yale University-George Mason University project on Climate Change Communication issued its latest public opinion survey on ...
Summary . TransCanada, the sponsor of the Keystone XL pipeline project, filed an updated application for approval with the U. S. Departme...