Could natural hydrogen from underground help the UK get to net zero?

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Across
  1. 3. Something new or unusual.
  2. 6. Structures or layers of rock created by natural processes over time.
  3. 8. Collections or build-ups of something over time.
  4. 10. A large and sudden gain or success, especially one that brings a lot of money.
  5. 15. People who search for natural resources, such as gold, oil, or minerals.
  6. 18. Doubtful or suspicious; probably not true or reliable.
  7. 19. More than enough; plenty.
  8. 21. Ways of producing energy that release little or no carbon dioxide.
  9. 23. The central part of something; in geology, the center of the Earth.
  10. 24. A type of rock that is rich in iron and magnesium, often found deep in the Earth.
  11. 25. Careful studies or research to find out more about something.
Down
  1. 1. To flow slowly and in small amounts, often through tiny holes or spaces.
  2. 2. A person who puts money into a project or business to make a profit.
  3. 4. Very important or necessary.
  4. 5. The outer layer of the Earth.
  5. 7. Someone who gives or adds something, like information or money.
  6. 9. A layer of the Earth between the crust and the core.
  7. 11. Caused or encouraged something to happen or develop more quickly.
  8. 12. To collect or take hold of something, especially a form of energy.
  9. 13. A piece of land almost surrounded by water but still connected to the mainland.
  10. 14. The release of energy from atoms, which can sometimes change other substances.
  11. 16. A product or raw material that can be bought and sold, like oil or wheat.
  12. 17. The scientific study of Earth’s structure, materials, and history.
  13. 20. A short meeting or report that gives important information.
  14. 22. Controlling or setting rules for something.