greenhouse effect - natural heating of earth’s surface by certain atmospheric gases
TRANSCRIPT
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Greenhouse EffectGreenhouse Effect- Natural Heating - Natural Heating of Earth’s surface of Earth’s surface
by certain by certain atmospheric gasesatmospheric gases
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Greenhouse GasesGreenhouse GasesWater Vapor HWater Vapor H2200
Carbon Dioxide C0Carbon Dioxide C022
Methane CHMethane CH44
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Without the Without the Greenhouse Effect Greenhouse Effect the the
Earth would be too Earth would be too cold for human lifecold for human life
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Greenhouse EffectGreenhouse Effect
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Greenhouse EffectGreenhouse Effect
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Greenhouse GasesGreenhouse Gases
Carbon DioxideCarbon DioxideMethaneMethaneNitrous OxideNitrous OxideCFCsCFCsWater VaporWater Vapor
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Without a Greenhouse Effect…Without a Greenhouse Effect…
Problem Solved?Problem Solved?– Earth would be 33 Earth would be 33
degrees Celsius coolerdegrees Celsius cooler
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Global WarmingGlobal Warming-enhanced -enhanced
greenhouse effect greenhouse effect resulting in a rise in resulting in a rise in global temperaturesglobal temperatures
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Possible Results of Possible Results of continuedcontinued
Global Warming Global Warming
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Polar Ice Caps Polar Ice Caps May MeltMay Melt
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Sea Level May RiseSea Level May Rise
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Deserts Could SpreadDeserts Could Spread
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Frequency and Frequency and Severity of Storms Severity of Storms
may Increasemay Increase
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Scientist DiscrepancyScientist Discrepancy- some argue rising - some argue rising
temperatures are due temperatures are due to natural cyclesto natural cycles
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Causes for Causes for increasing C0increasing C022
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Causes for Causes for increasing C0increasing C022
AutomobilesAutomobilesBurning Fossil FuelsBurning Fossil Fuels
DeforestationDeforestation
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How we can How we can reduce our effectsreduce our effects
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How we can How we can reduce our effectsreduce our effects
Conserve EnergyConserve EnergyRecycleRecycleCar PoolCar Pool
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Ozone DepletionOzone Depletion
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Ozone DepletionOzone Depletion- a thinning of the - a thinning of the
ozone layerozone layer
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Ozone – OOzone – O33
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Ozone – Ozone – Blocks the harmful Blocks the harmful UV radiation from UV radiation from
the sunthe sun
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Ozone is made by Ozone is made by chemical reactions chemical reactions involving UV lightinvolving UV light
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Ozone Depletion is Ozone Depletion is a major concern a major concern
near the near the South PoleSouth Pole
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Ozone Depletion is Ozone Depletion is caused by caused by
increased levels of increased levels of CFC’s in the CFC’s in the atmosphereatmosphere
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““Ozone Hole”Ozone Hole”There is NO HoleThere is NO HoleIt is a thinning of It is a thinning of the ozone in the the ozone in the Polar RegionsPolar Regions
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