Refresh Our Environment

3. not showing much care or thought; seeming not to be worried; not wanting to show that sth is important to you
8. a variety of things of a particular type
9. an amount or a number of sth
10. to make sb feel less tired or less hot
12. the state or fact of being real or living or of being present
15. a result of sth that has happened
16. to formally write or say sth, especially in a careful and clear way
18. a new custom that is starting to develop
19. done, chosen, etc. without sb deciding in advance what is going to happen, or without any regular pattern
20. to support sth publicly
21. to pay an amount of money regularly in order to receive or use sth
22. a promise to do sth or to behave in a particular way; a promise to support sb/sth; the fact of committing yourself

1. a sudden event that causes many people to suffer
2. developing, growing, etc. gradually and in an even and regular way
4. calculated by adding several amounts together, finding a total, and dividing the total by the number of amounts
5. to use sth, especially fuel, energy or time
6. to look quickly at sth/sb
7. a fact or an event in nature or society, especially one that is not fully understood
11. the conditions and facts that are connected with and affect a situation, an event or an action
13. the act of showing sth or of giving sth to sb
14. existing or happening over a large area or among many people
17. a sum of money that is given to a person or an organization in order to help pay for sth