Environmental Impact & Emissions Calculators

EPA Household Emissions Calculator

You can use the following online calculator to get a rough “ballpark” estimate of your personal or family's greenhouse gas emissions and explore the impact of taking various actions to reduce your emissions.

EPA Power Profiler – Where does your energy come from?

The Power Profiler report will show you the air emissions attributable to the electricity you use in your home or business during one year, along with a description of what these numbers mean in everyday terms.

EPA Greenhouse Gas Equivalency Calculator – How many trees equals a solar panel?

Did you ever wonder what reducing carbon dioxide (CO2) emissions by 1 million metric tons means in everyday terms? The greenhouse gas equivalencies calculator can help you understand just that, translating abstract measurements into concrete terms you can understand, such as “equivalent to avoiding the carbon dioxide emissions of 183,000 cars annually.”

Energy Incentives for Homeowners and Businesses

Database of State Incentives for Renewable Energy and Energy Efficiency

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

Facts & Reports

Shocking Facts About Energy from

Greenpeace Energy [R]evolution

“We need to stop investing in a broken energy economy and kickstart a clean energy revolution.”

Job Creation

Apollo Alliance

Working to catalyze a clean energy revolution that will put millions of Americans back to work.

Energy Empowers

“Clean Energy Stories about Rebuilding America”


Installed Solar Projects in Boston

Installed Solar Projects in San Francisco

On Solar

Solar Energy Industries Association

The Solar Energy Industries Association (SEIA) is the national trade association of the U.S. solar energy industry.

Energy in Massachusetts

Massachusetts Clean Energy Center

Massachusetts Department of Energy Resources

US Department of Energy (DOE)

Main website

DOE on Youtube

Energy Efficiency & Renewable Energy

US Energy Information Administration

For Kids

Energy Kids Page

From the Energy Information Administration

Contact us for a detailed sustainable energy evaluation Use our Rapid Assessment Tool to perform your own evaluation