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Causes of increasing greenhouse gases:

  1. Burning fossil fuels, thus releasing into the atmosphere carbon that has been safely stored for millions of years by burning coal, oil and natural gas for transport and electricity.
  2. An enormous demand for electricity. The growing population of the earth all want cars, refrigerators, air-conditioning and a double garage. Most electricity is generated by burning coal.
  3. A constant and growing demand for red meat. Cattle belch out methane, a toxic greenhouse gas, much more dangerous than carbon dioxide. More and more forests and bushland, which absorb carbon dioxide from the air, are being cut down so more cattle can graze.
  4. A reduction in the planet's ability to remove greenhouse gases from the atmosphere. The earth has natural sources of carbon dioxide (a greenhouse gas), and has had long before mankind began altering the environment, but the earth has natural means to actually remove some greenhouse gases from the atmosphere, especially carbon dioxide which is removed by plants (especially dense, tall forests) through photosynthesis. Global deforestation by mankind means not only have we increased the output of greenhouse gases, but we have also significantly reduced the ability of earth to reduce at least one of the greenhouse gases.
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