I won't justify Trump's climate change policy for a second: Todd Stern

US diplomats are working in Katowice to implement the Paris Agreement, says Todd Stern, who was one of the architects of the Paris Agreement as America’s special envoy on climate change when Barack Obama was the President. Stern explained to Nitin Seth how he sees differentiation being implemented in the rulebook.

You were one of the most important architects of the Paris Agreement. Here at Katowice we hear one side say the rulebook is moving away from what Paris provides. The other side says they have a different way of interpreting the same pact. Where do you see the state