Sunlight is the most abundant energy source known to man: it powers solar cells, warms the air and is the essential energy for photosynthesis. PF Members offer innovative plans to utilize this valuable resource.
How Spelman College has adapted to become more Sustainable
Discussing the biggest obstacles in our energy future
Our first TV special focused on great ideas from you, our members, about how we as a country should approach our energy future. Originally broadcast on April 15, 2009 on PBS.