Across
- 2. Burning of fossil fuels; Deforestation.
- 3. Coal burning factories
- 6. Aerosol sprays; Fire extinguishers; Refrigeration; Air conditioning.
- 8. Vehicle exhausts; Chemical fertilisers.
- 9. Cattle and rice production
Down
- 1. Higher levels of ultraviolet radiation cause sun burn, skin cancers, retina damage and cataracts;
- 4. Crop yields decline, acidification of soil and water bodies.
- 5. Melting of ice sheets, glaciers and permafrost cause a rise in sea-levels.
- 7. Fine particles carried into lungs, leading to lung cancer, strokes and heart attacks.