Documents Importance of the Montreal Protocol for ozone layer and climate Guus Velders, The Netherlands...

Slide 1Importance of the Montreal Protocol for ozone layer and climate Guus Velders, The Netherlands WMO/UNEP Ozone Research Managers Geneva, May 19, 2008 Slide 2 Guus Velders,…

Science Montreal_protocol_Report

1. Signed 16 September 1987 Location Montreal, Canada Enforcement 1 January 1989 if 11 states have ratified by then. Condition ratification by 20 states Signatories 46 Ratifiers…