In 60 cities in India, 16,876 tons of plastic waste are generated each day, according to data from the country’s Central Pollution Control Board. Multiply that by 365, and you have more than 6 million tons of plastic that end up in landfills a year. Such figures were keeping Medha Tadpatrikar awake at night. She was also deeply troubled by an incident she had witnessed on a safari in India – a deer choking on a plastic packet that it had swallowed. “I realized how big this plastic problem is and how every creature on this earth is affected by...