Environmental Science

2. A system that removes harmful gases.
3. A unit that measures sound level.
5. A treaty phasing out CFCs was signed here.
7. A popular organophosphate insecticide.
8. Mud/debris flow that originates from the slopes of a volcano.
11. A measure of the capacity of water to neutralize acids.
12. Commercially less valued material found in an ore.
13. Seasons of Sri Lanka.
14. "Meeting our own needs without compromising the ability of future generations to meet their own needs."

1. A cost or benefit of an economic activity experienced by an unrelated third party.
4. Caused by enrichment of minerals in water.
6. The intentional practice of eating earth.
9. A current global problem.
10. The variety of life on Earth.
14. The layer in which Ozone is formed.