Over the last few years the debate on air pollution has reached a crescendo. Britain, France, India, China all face the same dilemma – bad air quality. The breadth of the problem proves we live on the same planet. According to the World Health Organisation air pollution kills an estimated 7 million people annually, 24% of all strokes and 25% of all heart disease can be attributed to air pollution. According to the Organisation for Economic Cooperation and Development (OECD) the reduction in global economic output caused by air pollution will equate to USD 330 billion by 2060. And a World Bank study, states that in 2013 air pollution cost India 8.5% of its economy.