A6. Environment
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Activity Tree
    Environment
SECTION 1. The Blue Planet
1.1 Planet Earth
1.2 Earth Facts
SECTION 2. Pollution
2.1 Pollution Sources
2.2 Pollution Fighters
2.3 Recycling Jigsaw Puzzle
2.4 Crossword
SECTION 3. The Greenhouse Effect
3.1 Stages of Greenhouse Effect
3.2 Kyoto Interactive Map
3.3 The Kyoto Protocol
3.4 Environmental Hangman
SECTION 4. What Can We Do?
4.1 The Benefits of Recycling
4.2 Enough Is Enough - I Am Willing to Help
4.3 Find Your Own Solutions to Pollution!
SECTION 5. Grammar Exercises
5.1 Simple Present Tense
5.2 Obligations
5.3 The Articles a/an/the
SECTION 6. Evaluation
6.1 Evaluation: Question 1
6.2 Evaluation: Question 2
6.3 Evaluation: Question 3
6.4 Evaluation: Question 4
6.5 Evaluation: Question 5
6.6 Evaluation: Question 6
6.7 Evaluation: Question 7
6.8 Evaluation: Question 8
6.9 Evaluation: Question 9
6.10 Evaluation: Question 10