Students, you are welcome to read some interesting articles about some environmental issues:
https://www.spectator.co.uk/2018/03/at-the-deathbed-of-sudan-the-last-male-northern-white-rhino/
https://www.nbcnews.com/mach/science/why-last-rhino-s-sad-demise-may-not-mean-extinction-ncna858686