Greenhouse Effect - Natural Heating of Earth’s surface by certain atmospheric gases.

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Presentation transcript:

Greenhouse Effect - Natural Heating of Earth’s surface by certain atmospheric gases

Greenhouse Gases Water Vapor H 2 0 Carbon Dioxide C0 2 Methane CH 4

Without the Greenhouse Effect the Earth would be too cold for human life

Greenhouse Effect

Greenhouse Gases  Carbon Dioxide  Methane  Nitrous Oxide  CFCs  Water Vapor

Without a Greenhouse Effect…  Problem Solved? –Earth would be 33 degrees Celsius cooler

Global Warming -enhanced greenhouse effect resulting in a rise in global temperatures

Possible Results of continued Global Warming

Polar Ice Caps May Melt

Sea Level May Rise

Deserts Could Spread

Frequency and Severity of Storms may Increase

Scientist Discrepancy - some argue rising temperatures are due to natural cycles

Causes for increasing C0 2

Causes for increasing C0 2 Automobiles Burning Fossil Fuels Deforestation

How we can reduce our effects

How we can reduce our effects Conserve Energy Recycle Car Pool

Ozone Depletion

Ozone Depletion - a thinning of the ozone layer

Ozone – O 3

Ozone – Blocks the harmful UV radiation from the sun

Ozone is made by chemical reactions involving UV light

Ozone Depletion is a major concern near the South Pole

Ozone Depletion is caused by increased levels of CFC’s in the atmosphere

“Ozone Hole” There is NO Hole It is a thinning of the ozone in the Polar Regions

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