#Regram #RG natgeo: Photo by james_balog. Meltwater pools into lakes below Glacier National Park's Sperry Glacier. A product of the recent Little Ice Age, Sperry Glacier has retreated 75 percent since the mid-19th century. Indeed, many of the glaciers in #GlacierNationalPark are retreating—so much so that the park may one day need a new name. Follow james_balog for more images of our changing world. #climatechange #Anthropocene