blank Global Warming
Three questions, five graphics		 Go to Next page

This sequence of web pages is a very concise top level summary in graphs to show summary evidence to the two most basic questions about global warming. These graphs are excerpted from what is now a very substantial body of scientific literature on climate research and climate modeling.

Basic question #2:    Is human activity responsible for global warming?

Exhibit 2B:  Long term correlation of temperature
with atmospheric carbon dioxide levels

Temperature correlation with CO2

Source: US Environmental Protection Agency,  http://www.epa.gov/climatechange/science/pastcc.html


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