Ozone depletion

brett kavanaugh

Kavanaugh’s track record on environmental law favors business over climate change protections


Supreme Court Justice Brett Kavanaugh’s strict interpretations in previous rulings on environmental law indicate he will not support strong government action on climate change.

Since 2002, scientific data pointed to a slower decline of CFC-11, one of several chemical substances banned by the Montreal Protocol in 1987. The amount of CFC-11 found in the atmosphere has actually gone up during that time, prompting the United Nations

Scientists detected a spike in ozone-depleting chemicals. They’ll use the Montreal Protocol to stop the pollution.

A false-color image showing ozone concentrations above Antarctica on Oct. 2, 2015.

The ozone layer is bouncing back. And our hairstyles will be OK too.

This NASA graphic shows relative average levels of atmospheric ozone over the northern hemisphere in 1984 and 1997. The lower concentrations, shown in darker colors, are due to the effects of ozone-destroying chemicals in the atmosphere.

The latest news on the ozone layer shows we can solve big environmental problems


China, U.S. to seek way to end production, use of climate change causing HFCs

The World

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

The World

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.

The World

Skin Cancer on the Rise

Skin cancer is one of the few cancers still on the rise in the United States. And while scientists say ozone depletion may be a contributing factor, the major culprit is our behavior. Anna Solomon-Greenbaum has the story on our cultural obsession with the sun.

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 […]

The World

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, […]