This led to the creation of the Montreal Protocol on Substances That Deplete the. San Diego is at a crossroads.We can and must make the choices and investments necessary to embrace the growing clean-energy. The motivation behind this scientific publication is to tell the story of ozone depletion, ozone-depleting substances and the success of the Montreal Protocol. The Global Warming Solutions Act of 2006 mandates CARB to adopt regulations to reduce greenhouse gas emissions and to enforce those regulations. The Montreal Protocol is an international agreement that regulates the phaseout of production and consumption of ODSs. Mid-Winter Stratospheric Warmings and the NAM.