Global Warming and the Global Warming and the Chemistry of EnergyChemistry of EnergyObservations of Climate Change•Evaporation & rainfall are increasing;•More of the rainfall is occurring in downpours•Corals are bleaching•Glaciers are retreating•Sea ice is shrinking•Sea level is rising•Wildfires are increasing•Storm & flood damages are much larger
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Earth’s temperature•Average temperature of the Earth is 15°C (59°F)•Temperature of a nice spring or fall day•Balance of heat gain from the Sun, heat being lost to the freezing cold of outer space, and heat being returned to the Earth by the atmosphere•If the Sun's heat is blocked, the Earth can freeze quickly•If something keeps in the heat too much, Earth can heat up quicklyGlobal Global TchangechangeBlue points = annual avg. T; red line = 5-year avg. T. Global Warming