Environment Crossword

2. The global name given to all animal species
8. A phenomenon that doesn't allow the heat to escape the earth
11. The least polluting means of transport
12. Illegal hunting
14. The most polluting means of transport
15. A mixture that is formed when high pollution and several weather conditions occur at the same time
16. Adjective meaning "at risk"

1. All the pollution that one entity creates
3. An adjective which describes something that decomposes naturally
4. The process that transforms a solid into a liquid
5. The reason why temperatures are increasing
6. When the exploitation of the animals in the ocean is excessive
7. Absence of water for a long time
9. The container where you throw away your waste
10. Something which happens when the level of a river (for example) rises and overflows
13. "indian ________" expression which means that the temperature is higher than usual in autumn or in winter