World of Change

World of Change

Inspired by our 10th anniversary, the Earth Observatory has pulled together a special series of NASA satellite images documenting how our world—forests, oceans, human landscapes, even the Sun—has changed during the previous decade.

September 17, 1979

October 4, 2008

In the early 1980s, scientists began to realize that CFCs were creating a thin spot—a hole—in the ozone layer over Antarctica every spring. This series of satellite images shows the ozone hole on the day of its maximum depth each year from 1979 through 2008.

Impressing and scary…more on the NASA Site.