I. Name the pictures of greeting styles in the world. Use the phrases in the box.
1. plant
a. endangered species
2. pick up
b. trees
3. protect
c. the lights
4. save
d. our carbon footprint
5. build
e. rubbish
6. turn off
f. using single-use products
7. buy
g. water
8. avoid
h. littering
9. reduce
i. green products
10. stop
j. campfire
