How to solve the world’s biggest problems with Natalie Cargill
How much happiness can 2 million USD buy? with Elizabeth Dunn
What it really takes to make change | Jacqueline Novogratz
The TED InterviewWhat it takes to make change | Jacqueline Novogratz
TED Talks DailyThe TED Interview: What it really takes to make change | Jacqueline Novogratz
TED Business