Physical impacts of climate change

Climate Change IPCC- established in 1988, intergovernmental panel on climate change. 2500 climate scientists, producing reports every six or so years projecting where we are in terms of the environment. Last one was in 2007 Each time a report is produced, scientists are more convinced that climate change is happening and can be attributed to human activity. -Difference between climate variability and climate change, you can get a cold year in the middle of a warming period, but the broader scale is climate change. -2-11.5? higher temperature by 2100. Can?t get it to an exact number because unless you are 100% certain, you really can?t be sure that anything will happen. Depends on CO2 emissions, parts of the globe,