For three years, the world's emissions of greenhouses gases from fossil fuels and industry had plateaued. But the release of new figures from the Global Carbon Project suggests that pause may be over. The Global Carbon Project's Dr Pep Canadell gives us the numbers and explains why emissions are on the up again. Climate policy expert Professor Frank Jotzo asks what that means for policies around the world. Global Carbon Project http://www.globalcarbonproject.org/ Dr Pep Canadell https://twitter.com/pepcanadell?lang=en Prof Frank Jotzo https://twitter.com/frankjotzo?lang=en Follow host Graham Readfearn https://twitter.com/readfearn?lang=en