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Across 2. The trapping of heat from the sun in the lower atmosphere, due to an increase in carbon dioxide, methane and other pollutants. 3. Meetings of international leaders aimed at reaching an agreement that will reduce environmental pollution and climate change. 4. Re-using materials, eg paper, plastic. 7. A substance (poison) used to destroy insects and pests that attack crops. 9. The places where species of plants or animals live in the wild. 12. Projects set up to protect the environment are called this. 13. Resources that are part of the environment, eg water, minerals, and which are used and often abused by humans. 14. Things which affect the whole world and all of the people in it. 15. A term used to refer to the planet on which we live and its resources.

Down 1. Looking after the natural resources of the planet by taking steps to protect them. 5. Changes to the climate, believed by some scientists to be irreparably damaging, that have been caused by human lifestyles. 6. The contamination of something, especially the environment. 8. When all members of a species have died out and that species will never exist on Earth again. 10. Another word for misuse 11. The idea that believers have a duty to look after the environment on behalf of God.