"What we need to do is learn from nature. If you think about how nature progresses through trial and error. I'm really a fan of how we can do open designs that citizens can respond to, and use the feedback in order to create similar systems to what happens in nature."

Our guest today is Carlo Ratti, an architect, engineer, and academic who is deeply engaged with the critical questions facing our planet and its urban spaces. He's known for his innovative work at MIT's Senseable City Lab, where he explores how digital technologies are transforming our cities and for his