Across
- 2. The illegal practice of trespassing on another's property to hunt or steal game without the landowner's permission
- 4. Coal, petroleum, and natural gas.
- 6. Generation and distribution of electricity derived from the energy of falling water
- 8. Capable of decaying through the action of living organisms
- 10. A tropical forest, usually of tall, densely growing, broad-leaved evergreen trees in an area of high annual rainfall
- 11. The introduction of harmful substances or products into the environment
Down
- 1. Of or relating to the internal heat of the earth.
- 3. Energy derived from the sun in the form of solar radiation
- 5. Any of various machines for grinding, pumping, etc., driven by the force of the wind
- 7. A group of interconnected elements, formed by the interaction of a community of organisms with their environment
- 9. The clearing or severe thinning of a forest or other wooded area, leaving few or no trees
