BIOL 350 Lecture Notes - Lecture 4: Brake Fluid, Nuclear Power, Linoleum
14 Oct 2012
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Document Summary
Too many people wanting too much leads to food shortage. We are just a species, a product of evolution. Resources, sink, input and outputs that define our system. 2 problems: lose recycling or sources? then we can get full sink and empty source (affordability wise, quantity wise) More problems of input (resources: food??? (was 3 before: s) We"ve been great at finding more food, that"s why our population is growing exponentially bt the supply is worrisome and the price is rising. Seed stock for over 90% of all varities available in 1903 for many food crops have been abaondones- genetic diversity lost forever. Lost irrigation water from melting/dried up glaciers and depleted aquifers. More land being used to grow bio-fuels instead of crops. In the last decade, china and india increasing standard of living but consequences on food use and demand has been dramatic! As std of living increases, more people want to eat meat which is expensive to produce.
