For anyone doing a capital-intensive startup (many CleanTech and Life Science ventures fall into this category), then you'll want to learn about large grants. Below are links to a lecture (broken up into 5-minute segments) where you can learn about the pros, cons, and best practices in securing this kind of funding for your startup.
This post is a part of Funding Fridays, an occasional series on best practices in raising funding as well as our collection on the Flavors Of Capital.