Conversations with experts from around the world that explore the biggest challenge of our time - before time runs out.

The scope of the challenge before us is beyond that of any one individual or any one solution.

So we talk to thinkers, researchers, makers and business leaders. They discuss a diversity of ideas and solutions to global climate and environmental issues. And why they matter.

Presented by Chris Caldwell and produced by UNITED RENEWABLES in ASSOCIATION with LONDON BUSINESS SCHOOL, ALUMNI ENERGY CLUB.