An interesting TED talk on why the nonprofits sector should be allowed to operate in the similar manners as the for-profits sector, so that charity and philanthropy may thrive.
This is a very inspirational talk on sustainable design. Treated bamboo has great potential as a sustainable green timber source for imaginative architecture design.
This is a cheerful TED talk about how an art-inspired project can bring a community closer together. "Artists Jeroen Koolhaas and Dre Urhahn create community art by painting entire neighborhoods, and involving those who live there"