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Earth Day- Inspired by Blue Marble Signing at air & space EFFECTS "Threat to env. & economy" (Mayors) "Endangers Public Health & Welfare" Impact Depends on Region ↑ Drought ↑ Severity & lengths of heat waves ↪ Stress on water resources & ↑threat of fires Yellowstone Glacier Nat'l Park ↑ Intensity of storms (heavy downpours) ↑ Sea level ⇒ threat to wetlands ECONOMICS ⇒ Fish, Agriculture, Tourist ⇒ Winter Sports States Mayors [Kyoto ⇒ US, 7% < 1990] [CA → 25% by 2020] MESSAGE: - My perspective - Basic science behind it - Planet is warming - Already seeing impacts everywhere... - This problem has a solution...Sol'n involves all of us