Tagged: ozone layer is recovering

Montreal Protocol

Montreal Protocol – the world’s most successful treaty

“Alone we can do so little; together we can do so much. – Helen Keller” In 1987, countries around the world came together to sign it. Their mission? To save the ozone layer and signed the world’s most successful treaty – the Montreal Protocol.  Without the treaty, the hole in the Antarctica ozone would have been 40% larger in 2013. Phasing out 99% of ozone-depleting chemicals in refrigerators, air conditioners and other products. What is the Ozone layer and why is it required? The ozone layer or ozone shield is a region of Earth’s stratosphere (layer in the earth’s atmosphere) that absorbs most of the Sun’s ultraviolet radiation. It contains a high...