Average Resources Usage & Calculators

Calculating Wastewater Production
Average contribution to wastewater per person, per day.
http://www.gocolumbiamo.com/

Cool Roof Calculator
http://www.ornl.gov/

Energy Calculator
This site allows you to calculate the amount of kWh generated by a photovoltaic array for any part of the country. It multiplies it by the local rate to determine a yearly energy savings.
http://rredc.nrel.gov/

NOAA Solar Position Calculator
http://www.srrb.noaa.gov/

Sun Angle
Very simple page for calculating sun angles. If you go into the "SusDesign" link, you'll see that the designer offers Sun Path and Sun Position as well as a number of other shareware programs.
http://www.susdesign.com/sunangle/

Watts On Schools
Use to calculate the pollution equivalents and water requirements for kilowatt hours of electricity.
http://www.wattsonschools.com/