ozone layer

Broad Coalition Pledges to Cut “Super Greenhouse Gases”

An international coalition has agreed to begin working towards domestic regulation aimed at reducing the use of HFCs, compounds commonly used as refrigerants but referred to as “super greenhouse gases” for their particularly negative impact on global warming.

Shrinking Ozone Hole, Growing Hopes

Argentine scientists agree that there are signs of recovery of the ozone layer that protects life on earth by filtering out the sun's harmful ultraviolet radiation, but they are cautious about saying that the problem is on its way to a solution.

Treaty That Saved the Ozone May Worsen Climate Change

The Montreal Protocol, a climate treaty that gathers all U.N. member countries behind the goal of protecting the ozone layer, may not be the "most successful international agreement" anymore, as former U.N. secretary general Kofi Annan used to put it.