Arizona Department of Commerce commercial solar energy tax credit

Arizona Department of Revenue greywater tax credit

Arizona Department of Revenue solar energy tax credit - forms 310, 319, and 336 pertain to solar.

City of Tucson Office of Conservation and Sustainable Development

Energy Information Administration - official energy statistics from the U.S. government.

Energy Star - government site with energy saving tips, appliance listings, and home improvement ideas.

Internal Revenue Service - Form 5695 for residential tax credit and Form 3468 for commercial tax credit

Library of Congress - exact wording of 2008 energy tax credit extension.

National Renewable Energy Laboratory - DOE laboratory that does research and development of renewable fuels and electricity that advance national energy goals to change the way we power our homes, businesses, and cars. The site also has maps, including ones of solar radiation, at www.nrel.gov.

Pima Association of Governments - information about what PAG is doing to encourage alternative forms of transportation.

Pima County Green Building Program - information on Tucson's Green Building and LEED for Homes Program

Pima County Household Hazardous Waste - information about discarding hazardous waste including fluorescent bulbs

Sandia National Laboratories - government owned/contractor operated facility that, among other things, enhances the surety of energy and other critical infrastructures.

U.N. Environment Programme Division of Technology, Industry, and Economics

U.S. Department of Energy and U.S. DOE Energy Efficiency and Renewable Energy division