The race to protect a third of the world

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It's the time of year when nations come together to try and agree on a plan to futureproof the planet. But in the lead up to the Conference of the Parties 31, another meeting takes place – a smaller gathering, but one some would argue is just as important. COP17, the 17th meeting of the Convention on Biological Diversity, brings nations together to assess progress towards the global commitment to protect at least 30% of the world's land and seas by 2030. Yet, with less than three years left to meet this ambitious target, the world appears to be falling short. Brian O'Donnell, Director of Campaign for Nature, reflects on the successes so far, the challenges that remain, and what more needs to be done to meet the global 30% protection target. Mirium O'Duill uncovers the story of the overlooked scientist who first discovered carbon dioxide's heat trapping properties. And mathematician Kit Yates joins Tom to share the latest science news you may have missed this week. BBC Inside Science is produced in partnership with The Open University. Presenter: Tom Whipple Producers: Harrison Lewis, Alex Mansfield, Katie Tomsett, Tabitha Taylor Buck Editor: Martin Smith Production Co-ordinators: Jana Bennett-Holesworth and Elliott Prince