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green city, pollution, How?, Solutions to these problems, global warming,…
green city
using environmentally friendly energy
solar (sunshine)
wind
ocean / water
recycling
organic food
creating less pollution when traveling
pollution
air pollution
factory smoke
car fumes
too much garbage
1.
2
How?
Solutions to these problems
global warming
(fact)
We've been discussing the
global warming
for many years.
(opinion)
We DO think everyone can help.
Here are some ideas we come up to share with you.