Low ozone above Antarctica on September 2000, left, and September 2018, right

Montreal Protocol assessment reveals healing ozone, untapped potential for climate action

Climate Change

The latest Scientific Assessment of Ozone Depletion reveals a healing ozone layer, global warming reduction potential, and options for more ambitious climate action. The quadrennial review from the Scientific Assessment Panel of the Montreal Protocol will be presented here at the 30th Meeting of the Parties to this historic accord. Its findings confirm first and…

ozone hole

NASA Study: Proof of Ozone Hole Recovery

Climate Change

For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion. Measurements show that the decline in chlorine, resulting from an international ban on chlorine-containing man-made chemicals called chlorofluorocarbons (CFCs), has resulted in about 20 percent less ozone depletion…