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  • What does 'carbon footprint' mean?
    a measurement of the amount of carbon-dioxide a person adds to the atmosphere
  • What does 'ban' mean?
    to not allow something (eg. smoking, alcohol, plastic bags, protest marches, etc.)
  • What is carbon dioxide?
    a gas that's released when carbon is burned (for example coal or oil), or when people or animals breathe out
  • What is acid rain?
    rain that contains harmful chemicals that collect in the atmosphere when fossil fuels are burned
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