Olga Mugisa, 11-years-old, takes to the microphone in front of her peers, the Ugandan flag proudly draped behind her and green plants framing the stage. She has an important message to share with her fellow students: “If you cut one, plant two.”
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.
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.
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.