Environmental science

2. Spreading knowledge to help people understand and protect the environment.
4. Specific regions where human activity is restricted to conserve wildlife.
6. The protection and management of biodiversity and natural resources.
9. Limits on how much of a resource can be harvested to prevent overexploitation.
12. A greenhouse gas produced by livestock and landfills, contributing to climate change.
13. A resource or method that can continue without depleting or damaging the environment.
16. The variety of different species living in a particular area.
18. When no members of a species remain alive.
20. A position in a food chain, based on how an organism gets its energy.
21. The populations of fish that are harvested from the ocean.

1. The removal of large areas of forest, often for farming or urban development.
3. The process by which natural environments are damaged or lost.
5. A gas released by respiration and combustion; key to the greenhouse effect.
7. The trapping of heat in Earth’s atmosphere by gases like CO₂ and methane.
8. Waste plastic in the environment, harming wildlife and ecosystems.
10. A sequence showing how energy is transferred from one organism to another.
11. The process by which green plants use sunlight to make glucose and oxygen.
14. A community of organisms interacting with each other and with their environment.
15. A chemical process that releases energy from glucose in cells.
17. Removing too many fish from the ocean, faster than they can reproduce.
19. Unwanted marine animals accidentally caught while fishing for another species.