How were these challenges overcome?

Sep 14, 2017 ... The treaty, signed on September 16, 1987, is slowly but surely reversing the damage caused to the ozone layer by industrial gases such as chlorofluorocarbons ( ... This paper demonstrates that the Montreal Protocol also significantly protects Earth's hydroclimate. Jan 4, 2018 ... This is the first definitive evidence of the success of the Montreal Protocol on Substances that Deplete the Ozone Layer, which was ratified in ... The Tokyo, Hague and Montreal Conventions are concerned with the safety of civil aviation, in particular the safety of aircraft in flight. Sep 13, 2023 ... The Montreal Protocol: fixing the ozone layer and taking climate action. The Montreal Protocol has succeeded in halting the damage to the ozone ... The Montreal Protocol, finalized in 1987, is a global agreement to protect the stratospheric ozone layer by phasing out the production and consumption of ozone- ... The Protocol to Amend the Convention on Offences and Certain Other Acts Committed on Board Aircraft, done at Montréal on 4 April 2014, shall enter into force ... Oct 23, 2013 ... Phasing out HFCs under the Montreal Protocol is by far the most significant, cost-effective, and feasible measure the world can take to limit ... Sep 23, 2022 ... The Nature study argues that the protocol helped avoid 2.5 degrees Celsius of warming. For context, scientists have warned that the world—and ... Jan 15, 2023 ... The Montreal Protocol, the international treaty that guides the phase-out of ozone-destroying chemicals, has had the additional benefit of slowing global ...