Across
- 6. Humans are ..... for the climate change.
- 7. Human beings have a huge ..... on the environment.
- 8. Temperature, humidity and wind speed characterise the ....., not the climate.
Down
- 1. A person who does not produce any trash is zero .....
- 2. The problem hasn't been solved completely yet. We are not out of the .....
- 3. The three R's are reduce, reuse and .....
- 4. It's just the ..... of the iceberg!
- 5. Global ..... is one of the main issues of the 21st century.