用英语回答怎样保护环境 如：1. Don't waste water 急求12个

这里有100种哦
http://www.seql.org/100ways.cfm

# Copy and print on both sides of paper.
# Reuse items like envelopes, folders and paper clips.
# Use mailer sheets for interoffice mail instead of an envelope.Use mailer sheets for interoffice mail instead of an envelope.
# Set up a bulletin board for memos instead of sending a copy to each employee.
# Use e-mail instead of paper correspondence.
# Use recycled paper.
# Use discarded paper for scrap paper.
# Encourage your school and/or company to print documents with soy-based inks, which are less toxic.
# Use a ceramic coffee mug instead of a disposable cup.
.........

1. Don't throw rubbish everywhere.
2. Don't cut down trees.
3. Protect animals.
4. Plant more trees and flowers.
5. Clean the streets with classmates on Sundays.
6. Write to newspapers if you