Aside from safety concerns runners who dwell in tightly packed urban areas have to deal with pollution. It would be counter-productive to continue on running while developing major lung problems. Though pollution in a large city is unavoid…

In the 4th century before Christ, Emperor Ashoka issued edicts engraved in stones, ordering the protection of human health and the life of animals and plants. The fight against pollution has been on since time immemorial. But the magnitude…