Equal-marginal Principle	Pollution Control Exercise
Negative Externality	Sulfur Trading Exercise
Green Ad	CAFE Standards
Attainment Counties	Sample Abatement Costs
Love Canal	Mean Daily High Ozone
Demographic Maps LA County	Los Angeles Air Quality
Asbestos in the Workplace	TRI Sample Data
Environmental Indicators	Emissions by Country
Emissions and Urban Areas	Carbon Emissions Table
FDI and Particulate Matter