1. How many trees could be saved if every copy of just one edition of the New York Times newspaper was recycled?

2. What is the world’s most recycled material?

3. How much of Earth’s land surface is covered by wetlands?

4. In what year did the supertanker Exxon Valdez run aground in Alaska and leak 11 million gallons of crude oil into the ocean?

5. Which forest is known as the “lungs of Europe”?

6. Roughly 1 to 2 bird species are lost per year, but approximately how many bird species are there in total?

7. A percentage of bottled water sold in shops or online is actually tap water.  How much?

8. What percentage of Earth’s land is currently protected as national parks or reserves?

9. Approximately, how many litres of oil, in total, are needed to produce one copy of a Sunday newspaper?

10. What animal’s poop is cube-shaped?