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a recent poll of international climate scientists pointed to growing despair. are we humans bungling our chance to avert disaster? jim skea, welcome to hardtalk. thanks for the invite. it is great to have you in this studio. let s start with a blunt first question. is it time for the international community to junk this idea that there s any possibility of limiting worldwide temperature rise to below the 1.5 degrees celsius? when we produced our landmark report five years ago, we said it was possible within the laws of physics and chemistry, and the biggest obstacle to keeping within the limit was actually on the social and institutional side. we, i think, now need to move to the position, we have to look very hard at whether we will be pushing against technical and economic barriers in terms of limiting warming to1.5. it is not absolutely impossible, but the chances are diminishing. and, really, it s hanging on a thread at the moment. right. isn t that a tactful way of ....

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