Greenhouse Effect (Global Warming)

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Presentation transcript:

Greenhouse Effect (Global Warming) Is it hot in here? Or is that just me?

The Greenhouse Effect - Sun heats ground and water, then releases energy as infrared waves (longer wavelength) Infrared is released to space, however greenhouse gases in our atmosphere trap some of that energy warms Earth. • Mars does not have a Greenhouse Effect.

Greenhouse Gases More greenhouse gases in the atmosphere trap more infrared rays. Water is the greatest greenhouse gas. Three other greenhouse gasses are Carbon dioxide (CO2) , Methane (CH4), Hydrofluorcarbons (HFC) and Nitrous Oxide N2O.

Greenhouse Gases Info. - CO2 is produced from burning Fossil fuels for energy and products. • Stays in air for 50 years. - CH4 is produced by raising livestock, Using natural gas to heat home. Released through melting permafrost Released from landfills • Methane stays in the atmosphere for about 12 years! • Methane traps about 20 time more heat than CO2

and farming practices add Extra nitrogen N2O Burning Fossil Fuels and farming practices add Extra nitrogen which is turned into nitrous oxide by bacteria. •Stays in the atmosphere for about 114 years. • Traps about 298 times more heat than the same amount of CO2.

Climate Change (Global Warming) An increase in greenhouse gases correlates with an increase in global temperatures.