Climate change, ozone depletion and air quality need to be addressed coherently Ozone layer depletion, air pollution and climate change need to be addressed in connection with each other.
Without measures emissions of HFC greenhouse gases will increase rapidly Without global agreement on the use of HFCs, their contribution to the greenhouse effect may increase sharply to 10 percent of that of CO2 by 2050. The current contribution is less than 1 percent.