1) Two things that surprised you or made you stop. 2) Your own thoughts about what we can or should do as math and science teachers in the situation of the present climate crisis and mass extinction. How to address the situation, students’ and adults’ knowledge and emotions, and effective action (as much as possible)? One thing that made me stop was this paragraph :” The efficiency with which various animals convert grain into protein varies widely. With cattle in feed-lots, it takes roughly 7 kilogrnms of grain to produce a 1-kilogram gain in live weight. For pork, the figure is over 3 kilograms of grain .... As the market shifts production to the more grain-efficient products, it raises the productivity of both land and water (Brown, 2009, p 226)” “It suggests that a diet of vegetables and herbivorous fish may provide a ready solution for eliminating over 65 % of the pollution caused by protein production” Despite of the fact that the author has g...
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