Lecture 2

October 1, 2008

A community solves its problems through a dialog based on experience and values.

What environmental problems do we want to solve (Assignment 1)?

How does the information in the book relate to those problems?

Chapter 1 wiki (no entry means that it's the same term)
  exponential growth  
  sustainability  
  natural capital  
  globalization  
  3 types of resources capital (economics)
  tragedy of the commons  
  ecological footprint  
  poverty  
  pollution  
  causes of environmental problems  
  I=PAT (in read and discuss assignment) I_PAT
  clash of world views ????
  environmentally sustainable economic development sustainable_development
  four scientific principles of sustainability ???
  different American views on the environment
  • frontier view
  • utilitarian
  • conservation
  • preservation
  • stewardship
????
  Aldo Leopold
  • land ethics
  • pragmatic ethics
  • Sand County Almanac
land_ethic
Chapter 2:  
  scientific method
  • hypothesis testing - expanding spiral
 
  models  
  feedback systems feedback,
negative feedback, positive feedback
 

laws of thermodynamics - conservation of energy and degradation of usable energy with each step

 
  energy and work work(thermodynamics)
  open and closed systems systems,
open_systems_(systems_theory),
closed_system
 
  • organisms are open systems for material and energy
organisms
 
  • ecosystems can be close to closed systems for material but not energy
ecosystems