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… risks posed by persistent organic pollutants, which are chemical substances that possess toxic properties, resist … UNEP in response to scientific evidence that widely used chemical substances, chlorofluorocarbons, were destroying the … into the troposphere and lower stratosphere and associated chemical reactions157 causes changes in atmospheric …

… significant effects on the global atmosphere, such as geo-engineering activities. It is submitted, however, that those … utilization of the atmosphere. Some of the proposed geo-engineering technologies (such as carbon dioxide removal and … possible route towards the prohibition of large-scale geo-engineering practices. Weather control has been experimented …

… greenhouse gases alters the thermal structure and chemical composition of the mesosphere significantly. Rashid … ‘transboundary air pollution’ means any physical, chemical or biological alteration in the composition or … or combination of such agents, including any physical, chemical, biological, radioactive … substance or matter which …