Solar vs. Anthropogenic: Obtaining a Better Understanding of Global Warming

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Date(s) - 3/21/201311:30 am - 1:30 pm

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THE WASHINGTON ROUNDTABLE ON SCIENCE AND PUBLIC POLICY 

On March 21, Dr. Nir Shaviv discussed solar influences on the Earth’s climate at a forum hosted by the George C. Marshall Institute.

Dr. Shaviv, a professor of physics at the Hebrew University of Jerusalem, discussed the evidence demonstrating that the sun has a large effect on climate and the physical mechanism for this link.

He showed that by considering the solar forcing, a much more consistent picture emerges for the observed 20th century climate change, with part of it being solar and part being anthropogenic.

In this picture, however, Earth’s climate sensitivity is modest and therefore the 21st century global warming is expected to be modest as well (about 1°C).

A recent talk by Dr. Shaviv can be found here: http://www.youtube.com/watch?v=8QtnueIJGjc

Solar vs. Anthropogenic: Obtaining a Better Understanding of Global Warming

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