Solar energy is important for Sustainable development. Google has got lot's search quires based on Solar Energy and it's setup. One of the Google's Engineer got ana idea and planned to make a project on this which is called - Google Project sunroof.
It basically aims to tell how much amount of sun rays fall in which area. It combines information from the Google Maps and tells you the amount of Solar energy your roof could generate and how much you could save. This is currently available in three area in US - Boston, San Fransisico and Franco. Hoping to See this grow and available in entire world.