More Evidence Points to China as Source of Ozone-Depleting Gas Delegates from nearly 200 countries are gathering in Ecuador to discuss efforts to repair the ozone layer, and the return of a banned chemical will be on the agenda. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Yellowstone supervolcano WARNING: Record swarm of earthquakes raises concerns in CaliforniMexico volcano latest: THREE eruptions take place at Popocatepetl in just TWO HOURSVladimir Voevodsky, Revolutionary Mathematician, Dies at 51Draconid Meteor Shower 2017 live steam: How to watch the Draconids live onlineTrilobites: A Stick Insect. A Tree Lobster. Whatever You Call It, It’s Not ExtinctTokyo Is Preparing for Floods ‘Beyond Anything We’ve Seen’