EESA10H3 Lecture Notes - Lecture 12: Acid Rain, Habitat Fragmentation, Ecotourism

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Climate: trends in weather patterns over an extended period of time (years: climate system: interactive system of five compartments, atmosphere, land surface, hydrosphere, biosphere, cryosphere (snow and ice) Processes affecting increase of greenhouse gases: fossil fuels, electricity generated by coal (42%, transportation (24%) Industrial process (20: residential and commercial uses (14%, clearing and burning forests and grasslands, raising large numbers of livestock (methane, planting of rice. Largest emitters of co2 (2017: china (29. 51%, us (14. 34%, european union (9. 62%, india (6. 81%, russia (4. 88%, japan (3. 47%, germany 2. 16, iran 1. 76, south korea 1. 71, canada 1. 54% Global climate change: environmental impacts of global climate change. International agreement (2005) to reduce emissions of greenhouse gases. Ozone-depleting chemicals: major cause: chlorofluorocarbons (cfcs, refrigerants, aerosol propellants, blowing agents, seemed idea: non toxic, not flammable or corrosive, and chemically stable, but due to stability, reach stratosphere, where complex reactions with o, o2, and o3.

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