DSIRE - Database of State Incentives for Renewables & Efficiency

DSIRE provides summaries of renewable energy and energy efficiency incentives and policies established by the federal government, state governments and U.S. territories, local governments, and larger electric and gas utilities in the United States. DSIRE also offers summary maps and summary tables, and a search tool to help users determine which incentives and policies apply (or might apply) to a specific project. The search tool allows users to search for relevant incentives and policies by state, incentive type, technology type, implementing sector and eligible sector.  Texas Incentives/Policies for Renewables and Efficiency

LEED is driving the green building industry

LEED, or Leadership in Energy & Environmental Design, is transforming the way we think about how our buildings and communities are designed, constructed, maintained and operated across the globe. Comprehensive and flexible, LEED is a green building tool that addresses the entire building lifecycle recognizing best-in-class building strategies.

International Dark-Sky Association

The mission of the International Dark-Sky Association (IDA) is to preserve and protect the nighttime environment and our heritage of dark skies through environmentally responsible outdoor lighting.


IECC addresses energy efficiency on several fronts including cost savings, reduced energy usage, conservation of natural resources and the impact of energy usage on the environment.


ASHRAE offers educational information, courses, seminars, career guidence, and publications to promote research and development in efficient, environmentally friendly technologies.