what are good environmental topics?

  • Thread starter Thread starter hothotheat
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hothotheat

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I have done pollution, global warming, air quality, CFCs, Love Canal, GMO, Soil erosion, Second hand smoke, Nuclear power, pesticides, lead, used tires, landfills,... but i need ONE MORE TOPICS to do a research on for class...
any ideas?
Any interesting ones that's new?
thanks.
 
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