Ozone-Depleting Compound Persists, NASA Research Shows

Jay Owen Earth Systems Science

NASA research shows Earth’s atmosphere contains an unexpectedly large amount of an ozone-depleting compound from an unknown source decades after the compound was banned worldwide. ¬†Carbon tetrachloride (CCl4), which was once used in applications such as dry cleaning and as a fire-extinguishing agent, was regulated in 1987 under the Montreal …

ScienceDaily: Top Environment News: New results from inside the ozone hole

Jay Owen Earth Systems Science

  ScienceDaily: Top Environment News New results from inside the ozone hole Posted: 11 Dec 2013 03:56 PM PST Scientists have revealed the inner workings of the ozone hole that forms annually over Antarctica and found that declining chlorine in the stratosphere has not yet caused a recovery of the …

[green-tech] fire and brimstone II: a better fix on the Green Sky threat

Jay Owen Earth Systems Science

Background Peter Ward’s important classic, Under a Green Sky, presents us with some important questions: how close are we to the time when emanations of H2S to the atmosphere (“brimstone”) or radiation induced by a new ozone hole (“fire”) start growing to the point where all higher mammals on earth, …

Why the message from Rio+20 matters more than ever

kristy Global Citizen, Sustainability News, Advisors' Forum

Why the message from Rio+20 matters more than ever The upcoming summit must take account of the public’s psychological dimensions if it is going to transform climate change cynics into champions of sustainable living George Bernard Shaw saw the world as divided into two sorts of people. Those who looked …