Chlorofluorocarbons

• China is still releasing banned ozone-killing chemicals into atmosphere: study

  The data reinforces a watchdog report from 2018 that claimed at least 18 companies in China were using the chemical to make foam insulation.

  Environment

  May 23, 2019
  
• Earth’s ozone layer is slowly healing, UN report says

  A United Nations-backed report suggests the Earth's protective ozone layer is slowly recovering, due to lower concentrations of harmful greenhouse gases.

  Environment

  Nov 5, 2018
  
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• China is leaking banned, ozone-killing chemicals: watchdog

  Chinese foam-makers appear to be the “mystery” polluters behind the use of a banned, ozone-depleting chemical, an environmental group says.

  Environment

  Jul 9, 2018
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• McKenna says amendment signed to Montreal Protocol

  The Montreal Protocol was an international agreement signed on Sept. 16, 1987.

  Politics

  Nov 20, 2017