Toxic air: Graded Response Action Plan announced for Kolkata, other Bengal cities Subject: Environment Context: West Bengal environment department has announced a ‘Graded Response Action Plan’ (GRAP) to combat rising pollution in Kolkata and other non-attainment cities in the state like Howrah, Barrackpore, Durgapur, Haldia and Asansol. Non-attainment cities are those that are […]