Ozone’s Slow Recovery
As members of DuKode have contributed to ozone visualizations for the past 7 years, we've seen data that shows how the antarctic ozone hole shrinking. Policies curbing CFC emissions have really impacted the ozone hole. Progress has been slow but steady. See the flux in ozone level throughout the year, examine the ozone hole, and see predictions for the hole's eradication by 2070: http://sciencebulletins.amnh.org/?sid=e.v.ozone2010.20110124&src=l