Across
- 2. underground natural water reservoir storing groundwater
- 8. planting trees again to conserve soil and water
- 10. chemical energy compound synthesized in humans during respiration
- 12. collecting and storing rainwater for later use
- 13. coal oil natural gas formed over millions of years
- 14. treating wastewater for reuse in irrigation or industry
- 16. renewable non-polluting energy harnessed from the sun
- 19. mixture of methane and carbon dioxide from anaerobic waste
- 20. using wastewater rich in nutrients for crops
Down
- 1. initiative to remove pollutants from Yamuna river
- 3. electricity generated from water stored in dams
- 4. government project to clean polluted Ganga river
- 5. major cause of increasing water demand in agriculture
- 6. compact fluorescent light saving 75 percent electricity
- 7. fuel derived from oilseed plants like Jatropha
- 9. indispensable natural resource essential for life
- 11. Bureau of Energy Efficiency agency for star ratings of appliances
- 15. organic plant material used as renewable energy source
- 17. capacity to do work needed by all organisms
- 18. renewable energy generated by moving air