Peacekeeping and Environmental Issues

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Across
  1. 1. Catching too many fish from the ocean, so there are not enough left to grow or live.
  2. 3. A gas from burning coal and oil that can cause acid rain.
  3. 5. Water that has salt in it, like the ocean.
  4. 7. People who are trained to protect their country and sometimes help keep peace.
  5. 10. Big changes in the Earth’s weather patterns caused by things like pollution and global warming.
  6. 11. Dirty or harmful gases and particles in the air that make it unhealthy to breathe.
  7. 14. A gas made when we burn fuel or breathe out. Too much of it can warm the Earth.
  8. 17. Old or broken electronic items like phones and computers that need to be thrown away carefully.
  9. 18. Animals or plants brought to a new place that can harm the local plants, animals, or environment.
  10. 21. People who are not soldiers or in the military, like regular citizens.
  11. 23. Groups of plants, animals, and their environment all working together.
  12. 24. People who have to leave their homes because of war, danger, or disasters.
  13. 25. Long times without enough rain, causing water shortages for people, plants, and animals.
  14. 26. Small flying machines that can be controlled remotely, sometimes used for spying or helping in disasters.
  15. 27. Gases like carbon dioxide that trap heat in the air and make the Earth warmer.
  16. 28. All the natural things around us like air, water, land, plants, and animals.
Down
  1. 2. Energy sources like coal, oil, and gas made from plants and animals that lived a long time ago.
  2. 4. When soldiers from different countries help keep peace and stop fights or wars.
  3. 6. The natural homes where plants and animals live.
  4. 8. Actions taken to help people and countries stay peaceful after a war or fight.
  5. 9. Deals made between many countries to work together on big problems like pollution or peace.
  6. 12. A time when there is not enough food for people to eat.
  7. 13. Water without salt, like in lakes and rivers, that people and animals can drink.
  8. 15. When many trees are cut down in a forest, often faster than new ones can grow.
  9. 16. Large, uncontrolled fires that burn forests and grasslands.
  10. 19. When all the animals or plants of a kind die out and no longer exist.
  11. 20. The layer of air that surrounds the Earth.
  12. 22. Rain that has harmful chemicals in it. It can hurt trees, lakes, and buildings.