From record-high summer heat to the greening of the Arctic, this collection of images highlights several key "vital signs" of the Arctic.
As key habitat goes underwater, NOAA is relocating some endangered Hawaiian monk seals to higher ground.
August 6, 2015
From record-high summer heat to the greening of the Arctic, this collection of images highlights several key "vital signs" of the Arctic.
As key habitat goes underwater, NOAA is relocating some endangered Hawaiian monk seals to higher ground.