'Sustainability a culture'

2. Materials such as minerals, trees, and water that occur naturally and can be used
4. Significant change in climate including temperature, precipitation, or wind that lasts for an extended period.
6. Energy that is collected from the Sun
9. able to be maintained or continued
11. Protection from harm.
12. The average increase of temperature of the troposphere.
13. A fuel derived directly from living matter
16. Something capable of decaying into its basic components.
17. something being released, especially gases
19. A naturally occurring liquid found beneath the Earth's surface that can be refined into fuel
20. Thermal energy generated and stored in the Earth

1. Electricity produced by running water moving a turbine
3. The amount of carbon dioxide emitted due to the consumption of fossil fuels by a particular person, group, etc.
5. A diet and lifestyle that avoids all animal-derived products.
7. The process of converting waste materials into new materials and objects
8. Unrefined petroleum
10. A healthy environment where the natural resources are not being overused is called __________.
14. A device that converts the wind's kinetic energy into electrical energy
15. A natural fuel formed in the geological past from the remains of living organisms
18. cutting of trees