Earth's protective ozone layer seen as 'on track to long-term recovery'
The U.N. chief calls on all nations to adopt a newer measure for phasing out powerful climate-warming chemicals.
Montreal Protocol on Substances that Deplete the Ozone Layer 1989
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Study shows efforts to restore Earth's depleted ozone layer are 'on track'
If the policies and trends continue the ozone layer is expected to recover to 1980 values – before the appearance of the ozone hole – by around 2066 over the Antarctic, and by 2045 over the Arctic and 2040 for the rest of the world.
Share of parties to global environmental treaties
Share of parties to international multilateral environmental agreements on hazardous waste and other chemicals that meet their reporting commitments.
Leaders from Canada, Mexico and U.S. send 'NAFTA 2.0' to lawmakers
The trade deal fulfills U.S. President Donald Trump's pledge to replace the 1994 North American Free Trade Agreement.
Scientists find Earth's ozone hole is on the mend due to treaty efforts
A new scientific assessment shows damage to the ozone layer from aerosol sprays and coolants started recovering in parts of the stratosphere with bans on ozone-depleting substances.
'Low profile' multilateralism: North Korea's hidden avenues to the world
A U.S.-North Korea summit could expand a little-known aspect of a tightly controlled and secretive nation: North Korea's extensive involvement with international organizations.