World governments have unanimously agreed to strengthen enforcement of the UN Montreal Protocol to phase out ozone depleting substances (ODS) after an unexpected rise in emissions.
The 30th meeting of the parties to the 1989 agreement in Quito, Ecuador, came after evidence emerged of the unexpected increase of banned chemical trichlorofluoromethane (CFC-11).
Almost 150 parties to the treaty ordered new scientific investigations into atmospheric monitoring and modelling, and potential sources of CFC-11 emissions and related controlled substances.
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