Southill on Sky News Climate Show podcast
https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=1561243909&i=1000597924341
Also on Sky News The Climate Show with Tom Heap later this afternoon
Here is the relevant Climate Show episode on YouTube https://www.youtube.com/watch?v=Vd8qqbN9Bsc&list=PLG8IrydigQfff8mUzKAZQv-CN2Yh2EQnv&index=22