lecture4 - LifeCycleAnalysis 20:15 Lifecyclethinking...

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Life Cycle Analysis 20:15 Life cycle thinking:  Greenpeace protest. 2009, the protester needed a poster needed cardboard, paint, transportation fuel, electricity consumption  From life cycle perspective those have generates, co2, energy, fuel, air pollution. He  generated and contributed to global warming, environmentalist does not think this way,  this is a environmental professional perspective  A piece v. a system: buy a car (insurance, gas, parking, maintenance, repair). Think  about how much extra costs will cost. Beyond upfront cost.  Life cycle of an activity: (a protest^) Consuming a product  Raw material extraction, material processing, transportation, distribution, consumption,  reuse/recycling and disposal a holistic, not only on single step, picture of an entire product system  plastic v. paper: life cycle: paper air emissions and energy use is greater than plastic.  Just looking at eco-health, but looking at full impact paper is more harmful  life cycle analysis of renewable energy: wind (10-16 carbon intensity, green house  gasses) hydro power (26), willow biomass (39-52) us grid (990)
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lecture4 - LifeCycleAnalysis 20:15 Lifecyclethinking...

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