1. The Earth’s Changing Climate GK-12 Global Watersheds Program, Brenda Gail Bergman, 2013 South Cascade glacier, photos: USGS

2. Carbon: in every living organism, a main component of cells THE CARBON CYCLE Image of a complex organic molecule provided by atomic force microscopy. Source: IBM

3. Source: /www.globalchange.umich.edu THE CARBON CYCLE

4. The Greenhouse Effect Source: http://climate.nasa.gov/causes/ carbon dioxide, water vapor, methane, chlorofluorocarbons (CFCs), ozone, nitrous oxide.

5. Greenland ice sheet melting, July 8-July 12. Source: NASA http://climate.nasa.gov/ClimateTimeMachine/climateTimeMachine.cfm

6. Source: http://epa.gov/climatechange/kids/basics/concepts.html

7. Hurricane Isaac. 2012. Source: NOAA Potential relationships with weather events: Hurricanes form when sea surface temperature is above 26C. Larger areas exceed this threshold. -(MIT) Water cycle : warming causes the cycle of evaporation and rainfall over the oceans to intensify -(Nat’l Academies of Science)

8. DATA SETS TO CHOOSE FROM Temperature: 1.Global temperature database: 500 stations. Measurements since 1720 [1] [1] 2.Monthly temperature deviation from the 25 year average 1951-1975, for the Northern Hemisphere [2] [2] 3.Monthly temperature deviation from the 25 year average 1951-1975, for the world [3] [3] Atmospheric CO 2 : 4. Manua Loa CO 2 monthly mean data [4] [4] 5.Carbon flux to the atmosphere from land use changes, South America [5] [5] 6.Monthly Carbon Dioxide Emissions from Fossil-Fuel Burning in the U.S.A.: 1981- 2003 [6] [6] 7.Global CO 2 Emissions from Fossil-Fuel Burning,Cement Manufacture, and Gas Flaring: 1751-2008 [7] [1] [1] http://gcmd.nasa.gov/KeywordSearch/Metadata.do?Portal=GCMD&KeywordPath=Parameters|CLIMATE+INDICATORS|AIR+TEMPERATURE+INDICES|COMMON+SENSE+CLIMATE +INDEX&OrigMetadataNode=GCMD&EntryId=Rimfrost &MetadataView=Full&MetadataType=0&lbnode=mdlb4 [2] [2] http://cdiac.ornl.gov/ftp/trends/temp/lugina/0-90N.dat [3] [3] http://cdiac.ornl.gov/ftp/trends/temp/lugina/90N-60S.dat [4] [4] ftp://ftp.cmdl.noaa.gov/ccg/co2/trends/co2_mm_mlo.txt http://www.esrl.noaa.gov/gmd/ccgg/trends/#mlo_full [5] [5] http://cdiac.ornl.gov/trends/landuse/houghton/houghton.html [6] [6] http://cdiac.ornl.gov/ftp/trends/emis_mon/emis_mon_usatotal.dat [7] http://cdiac.ornl.gov/ftp/ndp030/global.1751_2008.ems