The Effluent Society by Thelwell

2. - Pollution of the environment by harmful substances
7. Substances that cannot be broken down by natural processes
9. FUELS Non-renewable energy sources such as coal, oil, and gas
12. FOOTPRINT The impact of human activities on the environment, measured in terms of the land and resources required to sustain them
13. Release of pollutants into the atmosphere
14. DEVELOPMENT Development that meets the needs of the present without compromising the ability of future generations to meet their own needs
17. POLLUTION Water that exists in saturated zones beneath the surface
19. LOSS The decline of species and ecosystems due to human activities
20. Chemicals used to kill pests, which can be harmful to the environment and human health
21. DEPLETION Reduction in the Earth's ozone layer caused by pollutants such as chlorofluorocarbons (CFCs)
22. Wastewater from homes and industries that is released into the environment
23. RAIN Precipitation that is acidic due to pollution

1. WASTE Waste that is potentially harmful to human health and the environment
2. FOOTPRINT The amount of carbon dioxide emitted by an individual, organization, or product
3. WARMING Increase in the Earth's average surface temperature caused by greenhouse gases
4. Sites for the disposal of waste material in the ground
5. METALS Metallic elements with high toxicity levels that can accumulate in the environment and cause harm to human health
6. WASTE Discarded plastic products that pollute the environment
8. MATTER Small particles in the air that can be harmful to human health
10. POLLUTION Contamination of water bodies by harmful substances
11. Harmful substances that can cause illness or death
15. QUALITY - Degree of cleanliness of the air
16. - Converting waste materials into reusable objects
18. POLLUTION - Harmful sound levels in the environment
19. - The use of living organisms to detoxify pollutants in the environment