1. How long can a plastic bottle take to decompose in a landfill?

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

3. 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?

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

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

6. Which biome has the richest soil on Earth?

7. Which type of pollution is linked to hearing loss, stress, and cardiovascular disease?

8. How many trees are cut down worldwide each year?

9. How much energy could theoretically be generated if we covered the Sahara Desert with solar panels?

10. Which country was the first to ban plastic bags nationwide?