What can we do to reduce pollution in Guangzhou?请用英语回答问题.
问题描述：
What can we do to reduce pollution in Guangzhou?
请用英语回答问题.
答
we can go by bike instead of by car.
we can plant more trees and flowers
instead of building too many skycrapers.
we can wrap our shoppings with paper
rather than plastic bags and so on.