1. The international treaty designed to protect the ozone layer.
2. The process of removing salt from seawater.
3. The world’s first and only carbon negative country which absorbs more carbon emissions than it produces.
4. The United Nations Conference on the Human Environment was held in this city in 1972.
6. The opposite of a linear economy.
7. The girl who started the climate change school strike.
8. The author of the Gaia hypothesis which postulates that the Earth functions as a self-regulating system.
9. This treaty was adopted at the Earth Summit in 1992.
11. The company that began its journey up Mount Sustainability in 1997.
13. The largest rainforest in the world.
18. This person chaired the Third UN Conference on the Law of the Sea in 1981 and 1982, and the Main Committee of the Earth Summit in 1992.
19. The president who wanted to withdraw from the Paris Agreement.
5. Book by Janine Benyus about learning from nature.
10. The world’s first offshore landfill.
12. Al Gore’s first book about environmental issues and climate change.
14. The book that advocates for designing out waste and where products become biological or technical nutrients after end-of-life.
15. The international organization that has pioneered sustainability reporting since 1997.
16. The global movement that started in 2007 by encouraging people to switch off their lights to call attention to climate change.
17. This animal is critically endangered, especially due to deforestation and habitat loss to make way for palm oil plantations.
20. She catalyzed the global environmental movement with her 1962 book Silent Spring.