ARCTIC PERMAFROST IS THAWING MUCH
FASTER THAN EXPECTED, RESHAPING
THE LAND AND RELEASING CARBON GASES
THAT COULD SPEED UP CLIMATE CHANGE.The Batagaika crater in
eastern Siberia, half a
mile wide and growing,
is the largest of many
across the Arctic. As
permafrost laced with
buried ice thaws, the
ground collapses, form-
ing craters or lakes.