Across
- 2. Energy from the sun used for generating electricity (5 letters)
- 3. A layer of the atmosphere that protects the Earth from harmful UV radiation (5 letters)
- 4. The process by which plants convert CO2 into oxygen (14 letters)
- 6. A colorless gas, also known as a potent greenhouse gas, with the formula CH4 (7 letters)
- 7. A long-term change in the Earth’s climate, especially a change due to an increase in the average atmospheric temperature (7 letters)
- 10. Dioxide A greenhouse gas produced by burning fossil fuels (9 letters)
Down
- 1. The trapping of heat by greenhouse gases in Earth's atmosphere (9 letters)
- 5. An increase in this can cause sea levels to rise, damaging coastal cities (9 letters)
- 8. Type of vehicle that runs partially or fully on electricity (7 letters)
- 9. Renewable energy source that uses wind to generate power (4 letters)