Meet the man who inadvertently collected a treasure trove of climate change data from his own backyard http://on.natgeo.com/2Cj5u4a

Meet the man who inadvertently collected a treasure trove of climate change data from his own backyard http://on.natgeo.com/2Cj5u4a 

https://twitter.com/NatGeoTravel/status/946938922919235585