The ozone layer around the earth is showing its first sign of thickening after years of steady depletion, a UN team says.
Via: http://www.bbc.co.uk/news/science-environment-29152028#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
Image © David Chapman
The ozone layer around the earth is showing its first sign of thickening after years of steady depletion, a UN team says.
Via: http://www.bbc.co.uk/news/science-environment-29152028#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa