Ecology (4)

1) Identify an environmental problem 
2) Gather scientific information 
3) Propose one or more solutions
4) Project the short and long term environmental advantages and disadvantages of each solution 
5) Decide on and implement a solution 
6) Evaluate the consequences 
7) Revise decisions as needed

Because Chattanooga went from being a highly polluted city to one of the most sustainable and livable in the US

1) Dirty air
2) Tennessee River
3) Toxic waste
4) Abandonment, unemployment and crime

1) Reliance on solar energy 
2) Biodiversity 
3) Nutrient control
4) Population control

50 years no more than 100 years