This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Andrew Revkin of The New York Times on Sea Ice Near the North Pole. en Andrew Revkin reported for The New York Times in from research camp set up on sea ice drifting near the North Pole Scientists erected the sign then added was as currents were pushing the ice several miles day Andrew Revkin Peter West National Science Foundation