View our clean energy slideshow. Test your knowledge! Common clean energy terms. Fast Fact: It would cost us $35 trillion a year to take carbon dioxide out of the air and put oxygen back in, which plants do for us for nothing.

Harnessing the Sun

The increased popularity of renewable, or clean, energy leads people to want to know more about what they can do. Mass Audubon is helping lead the way to a greener future.

We've developed this website to help answer all of your questions about solar (photovoltaic) energy, and we encourage you to be part of the growing movement.