Unit 2 Saving the earth.复习课件26张PPT

Mandy Wang
What can we do at home to protect the environment?
Saving the Earth
Waste Sorting
GARBAGE CLASSIFICATION
Game
Group work
01
02
03
04
Definition
Effect
Development
Rules
Waste Sorting
01
What's waste sorting?
Classicify the waste, then recycle and reuse it.
Garbage in China
Terrible Land Waste
02
Effect of waste sorting
Effect
1t plastic wate
=600kg gasoline
1t paper waste
=700kg new paper
100,000t food waste
=45000t pork
03
Development of waste sorting
Waste Sorting in Japan
《汉书》中《五行志》的记载：秦连相坐之法，弃灰于道者，黥！
Qin Dynasty
唐朝法律：其穿垣出秽污者，杖六十。主司不禁，与同罪。
Tang Dynasty
04
Waste Sorting Rules
Recyclable Waste
Hazardous Waste
Household Food Waste
Residual Waste
Watch
Be a greener person!
1.shut off the electricty
2.not use plastic bags
3. ......
You ought to...
Waste Sorting in Neighborhood
GARBAGE CLASSIFICATION
Test
Actions speak louder than words.
Thanks