environmental issues

3. all over the world (e.g. global ...)
4. the weather which is typical for an area
5. people in huge cities suffer from air ... because of factories
10. everything that is around us (nature etc.)
12. mountains which consist of ice and snow all year long
14. when species 'die out' they become...
15. the fact that sizes (food) are becoming smaller but the price stays the same or is rising
17. global warming may lead to this, it is very dry

1. the fact that we live a way to conserve our planet for future generations
2. we can calculate our carbon ...
6. a gas released when oil is burned
7. another word for e.g. to reduce food waste
8. fuel which cannot be produced again, e.g. coal
9. what we through away (e.g. food)
11. food which can still be eaten
13. energy which is not gone when used (e.g. wind
16. an area with a lot of sand; there are also food...where people do not have access to healthy food