Effects of Global Warming 25092015.pptx

Effects of Global Warming 25092015.pptx - Outline Global...

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Outline Global Human Environmental Threats Experiment Challenge Direct Human Effects Heat deaths Adverse weather events Costs of extreme weather events Relationship Between Climate Change and Other Environmental Issues
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Associated Climate Changes and Surprises Flooding of Low-Lying Areas Spread of Waterborne Diseases Climate Change and Food Production Effects on Plant and Animal Communities Phenology Greening of the North Coral Bleaching Species Extinction Benefits of Stabilizing CO 2 Concentrations
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Global Human Environmental Threats 1. Overpopulation 2. Global Climate Change 3. Loss of Biodiversity
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Direct Human Effects Hotter, Drier Summers and Warmer, Wetter Winters Increased Adverse Weather Events Property and Crop Losses
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Adverse Weather Events Increased Sea Surface Temperatures and G reater Hurricane Intensity ( Science 16 September 2005:Vol. 309. no. 5742, pp. 1844 - 1846) Net Hurricane Power Dissipation Highly Corre lated with Tropical Sea Surface Temperatu re ( Nature advance online publication; published online 31 July 2005 | doi: 10.1038/nature03906)
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Costs of Extreme Weather Events
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Relationship Between Climate Change and Other Environmental Issues The complex effects of warming of our atmosphere, water, and soil are very difficult to measure and predict. Accumulation of evidence from many fields, such as chemistry, biology, geology, and environmental health is essential. The accumulated evidence provides a clearer and clearer picture of what’s going on.
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Associated Climate Changes Global sea-level has increased 1-2 mm/yr; in 100 years a rise in sea level between 3.5 and 34.6 in. (9-88 cm) is expected Duration of ice cover of rivers and lakes decreased by 2 weeks in N.
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