crossword

Across:
1. The synonym for the word program, project (scheme)
2. Rare animal species (rhino)
3. This causes the extinction of rare animal species (overhunting)
4. The natural home of a plant or animal (habitat)
5. Too many people in one place (overcrowding)
6. School subject studying natural relations of plants, animals, people to each other (ecology)
7. An increase of its effect may lead to global warming (greenhouse)
8. A beautiful parrot which is in danger of extinction (macaw)
9. The synonym for the word rubbish, waste (little)
10. The organization which fights against pollution of nature (Greenpeace)
11. Making water, air, land impure and dangerous for people and animals to live in (pollution)
Down:
1.The world around us (environment).
S C H E M E
R H I N O
O V E R H U N T I N G
H A B I T A T
O V E R C R O W D I N G
E C O L O G Y
G R E E N H O U S E
M A C A W
L I T T E R
G R E E N P E A C E
P O L L U T I O N