Ozone depletion
Ozone levels over the Arctic hit all-time low
There’s an odd feeling of deja vu these days on the environment beat. First came the awful events in Japan with a nuclear disaster on a scale unseen since Chernobyl in the 1980s. Now comes news about atmospheric ozone that takes us back to the 80s as well
Antarctic Check-Up
Untouched by humans for millions of years, the frozen south is now an important outpost for studying human impact on the planet. In the first of a four part series, Terry FitzPatrick reports how greenhouse gases, ozone depletion, and surging tourism are affecting the fragile continent.
New Ozone Hole Findings
Most of us associate increasing greenhouse gas emissions with climate change. But a group of scientists writing in the journal Nature say greenhouse gases are affecting the earth’s protective stratospheric ozone layer as well. Lead author Drew Shindell (shin-DELL) is a scientist at the NASA Goddard Institute for Space Studies. He told Steve Curwood that […]
Ozone Treaty Revisited
Delegates from around the world are meeting in Canada for a tenth anniversary assessment of the Montreal Protocol.– the treaty governing the phase out of ozone depleters, like chloroflourocarbons Some delegates are upset that developing nations are still producing CFC’s, and selling them illegally. But, others warn that the long term goal of a total, […]