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kassidee & matt period2 kassidee & matt period2 Presentation Transcript

  • Global Warming
    Kassidee Andrew and Matthew Cornelius
  • Definitions
    Greenhouse Effect: heating of the Earth’s atmosphere through absorbing and emitting the radiation given off from the Sun and Earth.
    Climate Change: a long-term change in the earth's climate, especially a change due to an increase in the average atmospheric temperature.
    Global Warming: the increase in average temperatures of Earth and the atmosphere due in part to increase in Carbon Dioxide levels.
  • Relation
    Concerns of the Greenhouse effect include that the increasing amounts of greenhouse gases intensify the greenhouse effect.
    Higher concentrations of CO2 and other greenhouse gases trap more infrared energy in the atmosphere than what occurs naturally. The additional heat further warms the atmosphere and Earth’s surface.
    Climate models suggest this natural warming is being enhanced by human activities that increase concentrations of greenhouse gases in the atmosphere.
    The increase in atmospheric concentration of greenhouse gases, accentuating the natural greenhouse effect globally, results in global warming.
    This temperature change due to global warming is a change in climate, making it a climate change.
  • Causes of Global Warming
    Humans emit gases that cause the global warming in everyday life.
    Developing countries use energy sources that emit greenhouse gases for their energy source.
    The gases emitted act as a blanket and retain the Earth’s heat in the atmosphere.
  • Consequences
    Increase in the average temperature of Earth and its atmosphere.
    Rising sea level from the melting of polar ice caps.
    Changes in climate and temperature can offset ecosystems causing damage to the animals and plants in the ecosystem.
    More health problems may occur because bacteria is known to grow faster in warmer temperatures.
  • Impact on Economy
    Positive: longer growing seasons and farmers would make more money.
    Negative: More pests in longer summers to kill plants, longer and hotter summers lead to more forest fires which hurt lumber industry, more health problems would come up, causing increase health care cost.
  • Fighting Global Warming
    Drive Hybrid cars
    Ride your bike or carpool
    Convert to alternative energy sources (solar, wind, geothermal).
    Deforestation that is caused by cutting and burning of forests for the purpose of residence and industrialization.
    Recycle
  • Arguments against Global Warming
    Humans do not emit enough carbon dioxide, methane, or other greenhouse gases to cause catastrophic warming consequences.
    A warmer climate may be beneficial to human civilizations, like warmer climates have helped other era’s of human life.
    Accurate temperature satellites read hardly no change in temperature in the lower troposphere in the last 20 years.
  • Opinions on Global Warming
    Humans have played apart in global warming by emitting greenhouse gases but, there are other things causing global warming along with humans.
    Climate change is a naturally occur event and the temperature change experience now will not be catastrophic.
    Humans can play a role in stopping the extreme increase in global temperature.
  • Work Cited
    http://dictionary.reference.com/browse/climate+change
    http://www.globalwarming.org.in/
    http://www.buzzle.com/articles/global-warming-and-the-greenhouse-effect.html
    http://www.buzzle.com/articles/global-warming-and-the-greenhouse-effect.html
    http://www.aproundtable.org/tps30info/globalwarmup.html