Solar energy is one of the easiest and greenest of the renewable energy sources, but its high price is holding it back. One of the most promising new research developments involves printing thinner, cheaper panels with an inkjet.
Need to Know is a production of Creative News Group (CNG) in association with WNET. Marc Rosenwasser is Executive Producer. Need to Know is made possible by Bernard and Irene Schwartz, Mutual of America, Citi Foundation, John D. and Catherine T. MacArthur Foundation, Miriam and Ira D. Wallach Foundation, Margaret A. Cargill Foundation, The Corporation for Public Broadcasting and PBS.