Across
- 3. A species at risk of becoming extinct.
- 5. Permanent destruction of forests for other land uses.
- 6. The process of catching too many fish, depleting the population.
Down
- 1. Changes in long-term weather patterns on Earth.
- 2. The release of harmful substances into the environment.
- 3. The discharge of gases, especially from vehicles or factories.
- 4. Materials that are discarded as no longer useful or required.