Greenhouse Gases: Changing the Climate

Cards (8)

  • over the last 200 years, greenhouse gas levels have increased
  • what are anthropogenic greenhouse gases?
    human-produced greenhouse gases in our atmosphere
  • the primary sources for anthropogenic gases
    carbon dioxide, methane, nitrous oxide, chlorofluorocarbons (CFCs)
  • causes of anthropogenic gases are mostly burning of fossil fuels and a bit of deforestation
  • carbon dioxide feedback loop
    increase in carbon dioxide causes an increase in global temperature, increase in global temperature causes an increase in carbon dioxide.
  • what is methane?
    the greenhouse gas released from agricultural activities, the decay of organic materials, natural gas extraction, and cool mining. chemical formula is CH4
  • what is nitrous oxide?
    a greenhouse gas that comes from livestock feed and waste management, the use of nitrogen fertilizers, certain industrial processes, and fossil fuel use
  • what are chlorofluorocarbons?
    a man-made material commonly used in refrigerators that leak out of them or are released in the industrial process