Unit 3 Conclusion, water pollution

Throughout our last unit of geography, we learned about the natural resources and how humans should manage them. We had class discussions and watched videos about drilling oil, marine pollution, agricultural practises, and many more. In this blog, I'll be talking about marine pollution. Since, this topic interested me the most throughout this unit.

Firstly, marine pollution is occurring all around the world to different extents. With some places such as India and China facing the most severe pollution out of most other countries in the world. Marine pollution can occur from waste such as sewage, plastic, and others being dumped into the water. It can also be caused by oil spills. A prevalent issue arising from oceans being contaminated is the marine life facing existential threats and some marine species even dying off. There have been countless ocean creatures which have consumed plastics and have died off after consumption. Another problem is coral bleaching. Sedimentation, toxins, pathogens, and increased nutrients in the water cause the coral to remove algae from the water. Since, algae is the main source of food for the coral, the coral begins to turn white (coral bleaching), and starve itself.


A visual to show the sources of pollution:





















Overall, geography was a very interesting course that I'm glad I had the pleasure of taking! I hope that in the future, I can use all this new knowledge I gained to better the world around me!

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