Ivory

References

https://worldelephantday.org/about/elephants

https://web.archive.org/web/20110813072208/http://www.geographical.co.uk/Magazine/Dossiers/Ivory_Trade_-_November_2006.html

https://www.bbc.co.uk/newsround/37373034

https://www.bbc.co.uk/newsround/37228860

https://www.discovermagazine.com/planet-earth/elephant-poaching-is-decreasing-as-ivory-demand-slows

https://blog.nationalgeographic.org/2013/02/20/every-tusk-costs-a-life-stop-the-trading-and-the-buying/