Sustainability

2. – Harmful materials released into air, water, or land.
3. – Breaking down food and plant waste into natural fertiliser.
5. – Something designed to have little or no harm on the environment.
9. technology – Technology designed to reduce environmental impact.
14. – The variety of plants and animals in an environment.
15. – A resource that can be replaced naturally over time.
16. – Pollutants or gases released into the air.
17. – Using resources in a way that meets today’s needs without harming future generations.
18. gases – Gases like CO₂ that trap heat in the atmosphere and cause global warming.
19. management – How rubbish is collected, treated, and disposed of.
20. development – Improving society while protecting the environment for the future.

1. – Doing the same job but using fewer resources or less energy.
4. resources – Materials like trees or water that can naturally be replaced.
6. – Turning waste materials into new products to reduce pollution and save resources.
7. footprint – The amount of carbon dioxide a person or activity releases into the atmosphere.
8. – A resource that cannot be replaced quickly (e.g., coal, oil).
10. energy – Energy that comes from sources that won’t run out, like wind, solar, and hydro.
11. change – Long‑term changes in Earth’s temperature and weather patterns.
12. – Protecting natural resources like water, forests, and wildlife.
13. – The cutting down of large areas of trees.