To study the advance and retreat of glaciers, scientists extracted sediment cores from the bottom of glacier-fed Kulusuk Lake in Greenland. (Photo courtesy of William D’Andrea)
Sled dogs and lake coring
Tags:
Related Posts
The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.