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Tag: Ozone layer
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CFC ban helped avoid scorched earth scenario
A new study from Lancaster University in the UK has revealed that continued deterioration of the Earth’s ozone layer could have had catastrophic effects on our planet, exacerbating global warming and impacting all plants and animals. The work also reinforces the importance and success of the Montreal Protocol, which phased out ozone-destroying CFCs with the […]
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Has China halted illegal production of CFC-11?
New studies indicate that China may have successfully curbed production of CFC-11, an ozone-depleting refrigerant also used for foam insulation. The chemical was banned, along with other CFCs such as R12 and R502, under the Montreal Protocol to stop the production and import of ozone depleting substances and reduce their concentration in the atmosphere. In […]
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Vale ozone pioneer Paul Crutzen
Dutch scientist Paul J. Crutzen, who earned the Nobel Prize for chemistry for his work understanding the hole in the ozone layer, has died. Credited with coining the term “Anthropocene” to describe the geological era shaped by humankind and its impact on climate change, Crutzen died on January 28. He was 87. Crutzen was the […]
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CFC-11 still being used illegally
Earlier this year, reports emerged of a “mysterious” rise in CFC-11 (trichlorofluoromethane) quantities in the atmosphere. This was surprising, because CFCs had been phased out by the Montreal Protocol due to their harmful effect on the ozone layer, and were thought to be virtually extinct. Now, a new report from the Environmental Investigation Agency (EIA) […]