Across
- 2. Process of extracting oil and natural gas using high-pressure water injection
- 4. Radioactive element used as fuel in nuclear power plants
- 5. Liquid fossil fuel used for transportation and industry
- 8. Situation where demand for fossil fuels exceeds supply
- 10. Waste heat from power plants that disrupts aquatic ecosystems
- 12. A major greenhouse gas emitted from fossil fuel combustion
- 16. Deposits of bitumen used for oil extraction
- 18. A type of surface mining that removes large areas of land
- 20. A disadvantage: burning fossil fuels releases harmful emissions
Down
- 1. Fossil fuel formed from ancient plant material
- 3. Fossil fuel primarily composed of methane
- 6. The process of burning fuels to release energy
- 7. Resource that cannot be replenished on a human timescale
- 9. Dangerous byproduct of nuclear energy production
- 11. A potent greenhouse gas released from natural gas leaks
- 13. Early-stage coal that releases carbon when burned
- 14. Mixture of sand, clay, water, and bitumen used for oil extraction
- 15. Greenhouse gases released when burning fossil fuels
- 17. Environmental issue caused by sulfur dioxide and nitrogen oxides from fossil fuels
- 19. Energy derived from the splitting of atomic nuclei