<br /> From shrinking sea ice to deadly air pollution, there's never a shortage of bad news about the environment.<br />But now some good news — satellite data shows the ozone hole in the atmosphere over Antarctica is slowly healing.<br />The data indicate that depletion of the protective ozone layer over Antarctica was about 20 percent lower during the 2016 than in 2005.<br />According to NBC News, experts say the mending of the hole is due to international regulations on CFCs, adopted beginning in 1987. <br />
