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Alliance for Water Efficiency: Non-profit organization dedicated to the efficient and sustainable use of water. Serves as a North American advocate for water efficient products and programs, and provides information and assistance on water conservation efforts.

American Council for an Energy-Efficient Economy: Sponsors an international conference on energy efficiency in buildings. Publishes reports on technical and policy issues related to energy efficiency.

Be Water Smart: Water efficiency program sponsored by the Regional Water Authority; great tips on saving water (and money!) in your business and at home.

BetterBricks: Information and resources about building energy efficiency for designers, owners and operators provided by the NorthWest Energy Efficiency Alliance.

BOMA Energy Efficiency Program: An operational excellence program to teach commercial real estate professionals how to reduce energy consumption and costs with proven no- and low-cost strategies for optimizing equipment, people and practices.

The Building Advisor: Blog on energy efficiency in commercial buildings.

California Lighting Technology Center: Stimulates the application of energy-efficient lighting through research, innovation and partnerships.

California Loan Programs for Energy Efficiency: Outlines loan programs available to a wide variety of organizations including commercial, industrial, agriculture, health care and government.

Consortium for Energy Efficiency: National, nonprofit public benefits corporation, promotes the manufacture and purchase of energy efficient products and services.

DOE Energy Savers Blog: Tips and resources to help you save money and energy at home and work.

DSIRE: Database of Incentives for Efficiency: DSIRE is a comprehensive source of information on state, local, utility and federal incentives and policies that promote renewable energy and energy efficiency.

Energy Star: Green Buildings: Information and resources to help you ensure your building performance is optimized.

Energy Star: Portfolio Manager: Interactive energy management tool that allows you to track and assess energy and water consumption across your entire portfolio of buildings in a secure online environment.

Financing Clean Energy: Overview of available funding mechanisms to help finance efficiency improvements while significantly reducing risk.

GreenBiz: Green business news and tools focused on sustainability and business success. Resources for energy efficiency, csr, environmental and green jobs.

McKinsey & Company: Unlocking Energy Efficiency in the U.S. Economy: A report offering a detailed analysis of the magnitude of the efficiency potential in non-transportation uses of energy, a thorough assessment of the barriers that impede the capture of greater efficiency, and an outline of the practical solutions available to unlock the potential.

Real Energy Writers: Publishes articles in prominent energy industry newsletters and consumer and business magazines. Also maintains a free Energy Efficiency Markets Newsletter.

Rocky Mountain Institute: Nonprofit research and educational foundation aiming to foster efficient and sustainable use of resources.

Tax Deductions for Energy Efficient Commercial Buildings: Outlines the federal tax credits available to organizations that invest in efficiency improvements through the Energy Policy Act (EPAct) of 2005, Section 179D.

UC Davis Energy Efficiency Center: University of California center focused on accelerating the development and commercialization of energy efficiency technologies training future leaders in energy efficiency.

Western Cooling Efficiency Center: An element of the University of California that seeks to partner with stakeholders to identify technologies, disseminate information, and implement programs that reduce cooling system electrical demand and energy consumption in the Western United States.