News tagged with montreal

30 years of healing the ozone layer

This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty is the first in the ...

dateSep 12, 2017 in Environment
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Is the ozone layer on the road to recovery?

(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international agreements ...

dateFeb 10, 2013 in Earth Sciences
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Study reveals new threat to the ozone layer

"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an international team of researchers, ...

dateOct 12, 2017 in Earth Sciences
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