What do we say to kids when intensely traumatic events interrupt everyday life? Whether you’re a teacher, parent or community builder, educator...

Michael Green designs and studies flags, and is fascinated about how we use them as symbols of personal identity and pride. Watch his full TED Talk:

A few words can change the course of a life; they have the power to shrink, expand or transform someone’s identity — even your own...

Buildings are bad news for the climate — but they don’t have to be. While our structures are currently responsible for a third of global...