CC BY 2.0 Jim Rosebery on Flickr Collective and individual actions can change the world. Someday we should build a giant new Fridgehenge as a monument to one of humanity’s great achievements; As Melissa wrote earlier this year, the Ozone hole is officially shrinking, proof that international treaties can be effective. That’s because the ozone-eating refrigerants in those fridges were banned, due to the Montreal protocol signed back in 1987, which was "apparently,back when everyone still believed in science and chemical companies had less power." Now a new four-year assessment of the health of ozone layer has been completed, and according to Fiona Harvey of the Guardian , it represents "a rare instance of global environmental damage being repaired, and a victory for concerted global action by governments." If the current rate of recovery of about 1 percent to 3 percent per decade continues, then the northern hole could be closed completely by 2030 and the southern by 2060. “The Montreal protocol is one of the most successful multilateral agreements in history for a reason,” said Erik Solheim, head of UN Environment. “The careful mix of authoritative science and collaborative action that has defined the protocol for more than […]
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