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Global Warming: Fact or Fiction? Presented By: Kenyatta Esters Rhonda Nichols What is Global Warming? Refers to a general warming trend of the earth Possible causes: Tectonic Astronomical Green house gasses Other Atmospheric conditions 1880-2000 1950-2000

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Global Warming: Fact or Fiction?

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Global warming fact or fiction l.jpg

Global Warming:Fact or Fiction?

Presented By:

Kenyatta Esters

Rhonda Nichols


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What is Global Warming?

  • Refers to a general warming trend of the earth

  • Possible causes:

    • Tectonic

    • Astronomical

    • Green house gasses

    • Other Atmospheric conditions


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1880-2000

1950-2000

Earths Temperature Fluctuation


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Green House Gasses

Carbon Dioxide

50%

Methane

18% 27x CO2

Nitrous Oxide

6% 150xCO2

Synthetic Gasses (CFC’s) and other

26%

6% CFC10,000x CO2

CFC substitutes 300-5,000xCO2


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  • “Careful measurements have confirmed that CO2 is increasing in the atmosphere and that human activities are the primary cause…

  • … 31% increases can not be explained by natural causes. CO2 concentrations are now likely higher than any seen in the in at least 420,000”

  • EPA Website


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    Green House Gas


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    Impacts

    • Flooding of Coastal Areas

    • Salt Water Encroachment


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    Impacts

    • Flooding of Coastal Areas

      • Major cities

        • New OrleansNew Atlantis, Miami, Bancock, Netherlands

      • Marsh

        • Everglades disappearance

    • Salt Water Encroachment


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    Calculate the effect of melting glaciers on sea level

    • Total Surface Area of Earth

      • 197,000 sq miles

        • 70% ocean 138,000 sq miles

        • 30% land59,000 sq miles

    • 326 million miles3 total water

      • Oceans 317 million

      • Glaciers 7 million

    • Water volume increase

      • 2 million km29 million


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    Is Global Warming Real???

    Is it a DIRECT consequence of fossil fuel use?

    Do we have an ethical obligation to reduce CO2 emissions?


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    Little things mean a lot

    • Drive less/fly less

    • Heat less

    • Renewable Energies

    • Buy locally produced fuels

    • Recycle

    • Energy efficient transportation and buildings

    • Educate others

    • Encourage protection of natural resources

    • Question Everything

      • Political/Corporate/Academic/Environmental Stances


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    What do YOU think

    ?


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