bumper-to-bumper traffic
congestion
an open dump
piles of rubbish
bleaches/detergents/cleaning products
toxic
(to) discard
(to) re-use
(to) recycle
deforestation
eco-friendly products
car exhaust fumes
factory emissions
burning fossil fuels
oil spills
overuse of chemicals in agriculture
water/air pollution
carbon dioxide
aerosols that contain CFCs
climate change
global warming
greenhouse gases
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