7#$d) pppp Zx.B\ |k*kkk)kkkkkkHistory Predictions Consequences Temperature Precipitation Plant communities Biodiversity u Storms Remediation? Experimental Approches to limiting uncertanties How Greenhouse gases work 1.5 C to 4.5 C.dgoq}LNTUVg<=O[jk   ! . < > Q ` s t ~     + - 9 @ L Q \ _ ` b c f h i j s v z  @b #0?R`abdhpq~6MNUVhxO a   , - : ; L ] ^ v     ! ! U  Basic Greenhouse Principle Main Greenhouse gases - web Known Variations Earth History Glacial interglacial Historical Tree Ring Data water vapor CO2 CH4 Ozone NO We could reduce the rate at which we add carbon dioxide to the atmosphere by burning less coal, oil and natural gas. If climate changes, we could adapt by changing agriculture and other human activities. Many plants and animals in the natural environment might be unable to adapt. If warming is large and costly, some people might want to make changes to the atmosphere or oceans in order to cool the earth. This is very controversial. 1. Phytotron / Terrarium Experiments 2. FACE experiments 3. Bio2 Model based Sea Level Agriculture - slide vostokc02.gifgreenhouse.gif bgco2concen.gif slide keeling image1.gif tempvsco2vost.gif How do we measure curent changes Short term vs long term variations 1995 hottest in record temps oceans future temps.gif futuressts.gif ranked list SST1co2.gif SST2co2.gif ff Feedbacks Biomass Aerosols CO@ Crisis 


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