Today: Global Climate Change: W 4/30 “Nobelity” M 5/5 Field Trip to Wildflower center- 2pm Bonus #3 due W 4/30 Final Reviews TBA http://video.google.com/videoplay?docid=4871481162726260839

The complex molecules that comprise organisms are based on carbon

Carbon cycle CB 54.17

Solar energy: incoming and outgoing http://www.esr.org/outreach/climate_change/basics/basics.html

http://www.esr.org/outreach/climate_change/basics/basics.html

CO2 and other greenhouse gases keep heat from radiating back into space http://www.esr.org/outreach/climate_change/basics/basics.html

CO2 levels in Hawaii and average global temp. CB 54.24

http://www.esr.org/outreach/climate_change/basics/basics.html

http://www.esr.org/outreach/climate_change/basics/basics.html

http://www.esr.org/outreach/climate_change/basics/basics.html

Recent increases in global temperature have reversed a slight cooling trend

Vikings in Greenland in the 1200-1400’s

As the climate cooled, the Vikings were forced to abandon their outposts

370

Relative contributions to Global Warming ~500 m people ~300 m people ~2.5 b people

Effects of global warming are already visible http://www.worldviewofglobalwarming.org/pages/glaciers.html http://blogs.sciencemag.org/newsblog/2007/02/holdren_wants_d.html#more http://podcasts.aaas.org/science_podcast/SciencePodcast_070216.mp3

http://www.esr.org/outreach/climate_change/basics/basics.html

Global Change & Human Health (2001) V 2 # 1 pg 64

Observed and projected ice cap melting http://www.esr.org/outreach/climate_change/basics/basics.html

Precipitation changes 1900 to 2000

Change in risk of malaria by 2080 Global Change & Human Health (2001) V 2 # 1 pg 64

http://www.sciencemag.org/cgi/content/full/sci;319/5862/424

World Primary Energy Supply 2004 http://www.sciencemag.org/sciext/sustainability/

U.S. Energy use in 2005 http://www.sciencemag.org/sciext/sustainability/

Research money spent on alternative energy http://www.sciencemag.org/sciext/sustainability/

Much of our Alternative Energy Research is in Biofuels

Research money spent on alternative energy http://www.sciencemag.org/sciext/sustainability/

Today: Global Climate Change: W 4/30 “Nobelity” M 5/5 Field Trip to Wildflower center- 2pm Bonus #3 due W 4/30 Final Reviews TBA http://video.google.com/videoplay?docid=-6074885024884192294