海洋塑料污染课件 Plastic Debris in the Ocean.pptx

Plastic Debris in the Ocean;A comparison of two videos Video One: The ocean in your imagination Video Two: The ocean in real life ;Video One: ;Video Two: ;What happens to our ocean?;Sources of plastic debris;Why using plastics? ;History of plastic production;The beginning of throw-away life;OOPS!!!;Plastics slow degradability ;Example:（White Pollution);That’s how we end up with…;Exercise: (20min) Calculating your own /your family’s plastic footprint;Lesson 2;Assessing the problem ;Well, it is hard to quantify!!!;Multiple Choice questions;1.How many tonnes of plastics are produced annually in the world?(Approximately) A. 50 Mt (million tonnes) B. 100 Mt C. 200 Mt D. 250 Mt ;What happens to the plastic debris in the ocean?;Figure 2 Movement pathways for marine plastics;Redistribution of plastic debris;The concept of Gyre;The sea level pressure( January) ;Exercise: How about the case of July?;The sea level pressure (July);How to take advantage of ocean currents? ;The story of Boyan Slat (video);Group Discussion;Lesson 3 ;Wrap-up from lesson 1、lesson 2 ;Environmental Damage of marine plastic debris;Physical Impacts;Entanglement of animals ;Mortality or sub-lethal effect;Chemical Impacts;Plastic pellets;The concern over microplastics (video) ;Social and economic effects: ‘wider than the ocean’;Fishing industry (Scottish);Tourism;Clean-up is Expensive!;Classroom activity: Map out how plastics enter your dinner table Explain how we end up having “plastic soup”(next page) ;Lesson 4 ;Solutions: Government? Corporation? Individuals?;Raising awareness by artwork;Beach Clean-up;Enterprise’s plastic footprint (video);Legislation (video);Treat plastic as a valuable resource (eg.fuel);Classroom Discussion ;Special thanks to : Ma, Hui from TONGJI UNIVERSTIY Wu, Yixiu from GREENPEACE Xu, Jiancheng from SHANGHAI MUNICIPAL OCEAN BUREAU