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Can you identify what these pictures are?

Ozone is Earth’s natural sunscreen, shielding life from excessive amounts of ultraviolet radiation. But Earth’s ozone layer has been damaged by well-intentioned chemicals—chlorofluorocarbons, used for refrigerants and aerosol spray-cans—that have the unintended consequence of destroying ozone molecules. In the late 1980s, governments around the world woke up to the destruction of the ozone layer and negotiated the Montreal Protocol, an international treaty to phase out ozone-depleting chemicals. The treaty included a requirement that scientists regularly assess and report on the health of the ozone layer, particularly the annual Antarctic ozone hole. In January 2011, the Ozone Secretariat of the United Nations Environment Programme released its latest report and noted that the Protocol has “protected the stratospheric ozone layer from much higher levels of depletion…[and] provided substantial co-benefits by reducing climate change.” This … Read entire article »

Filed under: Earth, ozone, Reference, Report

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