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Supersized ozone hole avoided

Amy Guest posted in on May 29th, 2015.

The Montreal Protocol has prevented a supersized Antarctic ozone hole and a ‘full blown’ Arctic ozone hole, a new study has revealed. Scientists have modelled what the ozone layer would have looked like if ozone-damaging chemicals, known as chloroflurocarbons (CFCs), had not been banned by the 1989 Montreal Protocol. The research, published in Nature Communications this week, has predicted that […]

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Storm waves a factor in sea ice retreat

John Kerr posted in on May 30th, 2014.

Large waves generated by ocean storms have a greater impact on the breakup and retreat of sea ice than previously thought. New research from NIWA, published this week in Nature, suggests that large ocean waves whipped up by storms can fracture Antarctic sea ice hundreds of kilometres from the ice edge and accelerate sea-ice retreat. […]

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