A faster permafrost thaw means even the worst scenarios underestimated the pace and severity of climate change. Canadian scientist Merritt Turetsky explains "abrupt permafrost thaw". Then from Princeton, atmospheric scientist Jane Baldwin: back-to-back heat waves are in your future.
Interviews by Alex Smith for Radio Ecoshock
In the Affiliates version, there is a break and re-intro at 31:09 for stations needing to insert station ID or announcements.