Across
- 4. a heavy metal used in gold mining that is taken up by organisms and builds up in food chains
- 8. tropical coastal ecosystems dominated by trees that protect estuaries and coastlines
- 9. anything released into the environmental as a result of human activity that has the potential to cause harm
- 12. the major mineral industry in Jamaica and Guyana involving the extraction of aluminum ore
- 13. landfill an engineered facility with clay lining and piping designed to prevent toxic substances from contaminating groundwater
- 15. the clearing of forests for food and settlement which leads to soil erosion
Down
- 1. marine animals that often mistake plastic bags for jellyfish and suffer after eating them
- 2. a greenhouse gas produced by rotting material in landfills and the extraction of natural gas
- 3. parks large tracts of land set aside for wildlife and patrolled by wardens to maintain biodiversity
- 5. reefs diverse marine structures that provide fish and coastline protection but are threatened by overfishing and pollution
- 6. organisms such as bacteria and fungi that are essential for recycling chemical elements in nature
- 7. resources like timber and fish that can be replaced by plants and animals
- 10. the enrichment of waters with plant nutrients mainly nitrate and phosphorous ions
- 11. materials such as food waste and paper that can be decomposed by living organisms
- 14. effect the natural process where atmospheric gases trap heat to allow life to exist on Earth