Message from United Nations Secretary-General for International Day for the Preservation of the Ozone Layer 16 September 2015: “Not so long ago, humanity stood on the brink of a self-inflicted catastrophe. Our use of ozone-depleting substances such as chlorofluorocarbons (CFCs) had torn a hole in the ozone layer that protects us from the sun’s harmful ultraviolet radiation. But we tackled […]

UN Under-Secretary-General, UNEP Executive Director 30 years of healing ozone together,the theme of this year’s international ozone day. As we look back on the past 30 years of the Vienna convention and its Montreal protocolin bringing nations, businesses, science and technology together in phasing-out ozone depleting substances,we can truly celebrate the most successful environmental treaty […]

Natural refrigerants are chemicals which occur in nature’s bio-chemical processes. They do not deplete the ozone layer and make a negligible – or zero in the case of R717 (ammonia) – contribution to global warming.

THE SECRETARY-GENERAL MESSAGE ON THE INTERNATIONAL DAY FOR THE PRESERVATION OF THE OZONE LAYER Just over a quarter century ago, the world united to reverse the rapid depletion of the atmospheric ozone layer, which protects Earth from harmful radiation from space. Today, the ozone layer is well on track to recovery within the next few […]

Mr. Lefter Koka The impetuous urban development, to some extent chaotic, during these long years of transition has caused no little damage to the ecosystem. For a long time, we have learned to coexist with the sustainable economic growth rhetoric by staying too far away from the transformation of this rhetoric into concrete actions. The […]