Save the planet !

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Across
  1. 3. The fact of chopping down too much trees
  2. 5. Something that is good for the environment
  3. 6. The planet we live on
  4. 7. When it rains a lot and there is water everywhere
  5. 9. Violent tropical storm with a lot of wind
Down
  1. 1. When there are lots of cars on the road
  2. 2. In big cities, there is a lot of...
  3. 4. A dangerous black component that we use in cars, planes or boats
  4. 8. When it is too hot and there is no water in the ground anymore