Lesson 1 Part1/2

2. land that belongs to a particular country
5. to go to an event
6. being a woman or a girl
10. to make a formal request
12. a machine with wheels and an engine, used for transporting people or goods
14. able to continue for a long time without damaging the environment
16. very important and needs to be dealt with immediately
17. young people
18. the main building or offices of a large company or organization
19. a group of specialists who give advice or opinions about something
21. in a way that relates to the environment
23. not clean or pure, or morally bad
24. to take appropriate action in order to solve a problem

1. someone who takes part in an activity or event
3. a change caused by someone or something else
4. the growth or changes in an economy through increased business activity
7. to send out light, heat, sound, gas, etc.
8. to judge how good or useful something is
9. to put or build something in a particular place
11. removing the same amount of carbon dioxide from the environment as released into the environment
13. the amount used of something
15. more and more
18. to show great respect for someone
20. to act or speak for another person or people
22. an important meeting between leaders of two or more governments