Economy Is graphene the answer to India’s air and water pollution woes? Updated : August 31, 2018 03:38 PM IST India alone is home to 13 of the 20 most polluted cities worldwide. Graphene has emerged as one of the best solutions for the energy and filtration-related needs. Scientists have discovered the ability of graphene to remove pesticide from water. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.