environment crossword

3. The system of carrying away waste water and human waste from houses and other buildings through large underground pipes or passages.
4. Part of the water ______ has been seriously polluted by increasing human activity around the lake.
6. With so many areas of woodland being cut down, a lot of wildlife is losing its natural _______.
7. Pieces of wood, metal, building materials, etc. that are left after something has been destroyed.
9. An act of letting a liquid come or fall out of a container; the amount of liquid that comes or falls out.
11. The act of reducing how harmful, unpleasant, or bad something is.
13. A tall chimney that takes away smoke from factories.
15. A machine, usually with wheels and an engine, used for transporting people or goods, especially on land.
17. A layer of rock, sand, or earth that contains water or allows water to pass through it.

1. ______ wind farms are constructed in bodies of water to harvest wind energy to generate electricity.
2. Environmental groups launched a ______ against the widespread production of genetically modified crops.
5. Abnormal light exposure may ______ a person’s circadian rhythm.
8. The ability to be happy, successful, etc. again after something difficult or bad has happened.
10. The animals kept on a farm, for example cows or sheep.
12. Most bats and owls are ________ : they don't hunt during the day.
14. An average car ______ five lungfuls of poisonous carbon monoxide gas per mile.
16. The act of cutting down or burning the trees in an area.