Comparison between modeled and observations of temperature rise since the year 1860

Comparison between modeled and observations of temperature rise since the year 1860

© Intergovernmental Panel on Climate Change, Third Assessment Report, 2001. Working Group 1: The Scientific Basis, Figure 1.1.

Climate models produce the best match for current trends when they are programmed to simulate both natural and manmade factors that drive climate change.

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