1. The growth of the global population of white rhino has been a great success, from less than 100 at the start of the 20th Century when it was almost extinct – but more still needs to be done.  What is the white rhino global population now, approximately?

2. How many minutes of sunlight falling on earth will produce enough energy to satisfy all global energy requirements for a whole year?

3. Globally, approximately how much paper is being recycled?

4. Which of these cities regularly tops the list for the one which has the worst air pollution in the world?

5. How much of the world’s freshwater is held in Antarctica, locked up in ice?

6. How much of landfill waste is made up of packaging?

7. Which scientist first coined the term “greenhouse effect” in reference to the atmospheric warming effect of carbon dioxide?

8. Which country produces the most plastic waste per person?

9. Which ocean is warming the fastest due to climate change?

10. Which animal’s feces help shape the landscape and spread nutrients in ecosystems like the Pacific Northwest?