The Ozone Layer

Name: The Ozone Layer
Uploaded: 2012-01-06T15:19:59+00:00
Duration: 1 min 44 s
Channel: GreenTV
Description: Nearly 100 ozone-depleting substances have been phased out thanks to the Montreal Protocol. What are the next steps?

GreenTV

Nearly 100 ozone-depleting substances have been phased out thanks to the Montreal Protocol. What are the next steps?

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