A melting Pingo, seen up from a helicopter. Melting pingos although occurs naturally. Due to increasing global change, we are experiencing high rates of permafrost melting, and melting pingos. Location: Tuktoyaktuk, Northwest Territories, Canada

Stock photo: A melting Pingo, seen up from a helicopter. Melting pingos although occurs naturally. Due to increasing global change, we are experiencing high rates of permafrost melting, and melting pingos. Location: Tuktoyaktuk, Northwest Territories, Canada was taken by alejandroalvarez .