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Big Picture Science

Above the Arc­tic Cir­cle, much of the land is under­laid by per­mafrost. But cli­mate change is caus­ing it to thaw. This is not good news for the planet. 

As the car­bon rich ground warms, microbes start to feast… releas­ing green­house gas­es that will warm the Earth even more.

Anoth­er pos­si­ble down­side was envi­sioned by a sci­ence-fic­tion author. Could ancient pathogens – released from the permafrost’s icy grip – cause new pan­demics? We inves­ti­gate what hap­pens when the far north defrosts.

Guests:

  • Jacque­lyn Gill – Asso­ciate pro­fes­sor of pale­oe­col­o­gy at the Uni­ver­si­ty of Maine.
  • Jim Shep­ard – Nov­el­ist and short sto­ry writer, and teacher of Eng­lish at Williams Col­lege, and author of Phase Six.”
  • Scott Sales­ka – Glob­al change ecol­o­gist, pro­fes­sor of Ecol­o­gy and Evo­lu­tion­ary Biol­o­gy at the Uni­ver­si­ty of Ari­zona, and co-founder of IsoGenie.