Across
- 3. Pesticides were invented by a scientist from this country in WW2
- 5. India, China, and this country did not sign the 4 for 1000 initiative
- 8. The deliberate, seasonal drying of wetlands
- 9. How do plants and soil draw carbon out of the atmosphere (from carbon dioxide)
Down
- 1. All the carbon dioxide released by humans since the industrial revolution
- 2. The element that is the basis for all life on Earth
- 4. The process where fertile land becomes desert
- 6. The largest man made natural disaster
- 7. When plants release water from their leaves