"ANY SIZE RAIN GARDEN IS BETTER THAN NO RAIN GARDEN." ~ Zora Lathan
various maps available
MyEnvironment - EPA's maps for land use as well as air, water, coal, health, and climate indicators.
Energy Production- Map energy production by producer location
EJSCREEN - Create maps with environmental indicators (ozone, traffic proximity, lead paint indicators, etc), demographics (population, education, employment, income, etc), places (schools, churches, hospitals), boundaries (ZIP codes, congressional districts, city limits, urbanized areas, etc)