Environment

3. The buildup of salt in the soil often caused by irrigation without drainage.
4. The process by which plants absorb carbon dioxide and convert it into biomass.
7. Greenhouse gases released into the atmosphere primarily from burning fossil fuels.
11. The physical removal of topsoil by the forces of water or wind.
13. The increase in Earth's temperature caused by greenhouse gases in the atmosphere.

1. The process where soil loses its productivity and quality due to human activity.
2. The transformation of fertile land into desert due to degradation and drought.
5. The total amount of greenhouse gases produced by a person or a product.
6. Energy sources like coal and oil that release carbon dioxide when burned.
8. The natural process where carbon is exchanged between the atmosphere, plants, and the ocean.
9. The clearing of forests which reduces carbon absorption and increases erosion.
10. Chemical substances used to increase soil fertility that can lead to contamination.
12. When livestock eat too much vegetation leaving the soil unprotected.