In the last episode of this miniseries on climate change, Bjorn Lomborg argues that climate change is important, but solving it shouldn't come above all else. So what are the trade offs involved with a green agenda, especially when it comes to lifting the poorest in the world out of poverty? Kate Andrews discusses with Bjorn and Matt Ridley and asks - is it really an either/or?Bjorn Lomborg is the President of the Copenhagen Consensus Center and author of False Alarm. Matt Ridley is a Conservative peer, journalist, and author of How Innovation Works. To hear all episodes in this series, click here.