Physicist view on global warming?

Question

Physicist view on global warming?

Answer 1

The progression in understanding is explained by a physicist on this site hosted by the American Institute of Physics (AIP):

http://www.aip.org/history/climate/co2.h...

Impacts of Global Warming

http://www.aip.org/history/climate/impac...

The Discovery of Global Warming

http://www.aip.org/history/climate/index...

The author Spencer R. Weart is Director of the Center for History of Physics of the American Institute of Physics (AIP) in College Park, Maryland.  His own informed conclusions regarding global warming are posted here:

http://www.aip.org/history/climate/SWnot...

The American Institute of Physics (AIP) is one of the many scientific organizations that has published an official statement warning about the need to address climate change:

http://www.aip.org/gov/policy12.html

Answer 2

Generally the same as climate scientists - that humans are causing it.  For example, Stephen Hawking.

http://www.msnbc.msn.com/id/13485170/

And the American Institute of Physics.

http://blogs.physicstoday.org/newspicks/...

http://www.aip.org/fyi/2004/042.html

http://www.aip.org/history/climate/timel...

And solar physicists like Lockwood and Froehlich.

http://www.abc.net.au/rn/scienceshow/sto...

http://news.bbc.co.uk/2/hi/uk_news/62902...

And Scafetta and West, who concluded that at the very most, "the sun may have minimally contributed about 10 to 30 percent of the 1980-2002 global surface warming."

http://www.spacedaily.com/news/climate-0...

And me (Master's degree in physics).

Answer 3

Real, mostly caused by us.  The generally accepted percentage is 75-90% us.

"Human activities are increasingly altering the Earth's climate. These effects add to natural influences that have been present over Earth's history. Scientific evidence strongly indicates that natural influences cannot explain the rapid increase in global near-surface temperatures observed during the second half of the 20th century."

That and more here:

http://www.aip.org/gov/policy12.html

Answer 4

That's not entirely accurate, Dana. Climatologists agree that global warming is PARTIALLY manmade. I've yet to see one say it's completely manmade.