MUMBAI, Nov. 5 -- The state's coastal authority has permitted construction of a 39-km pipeline running across Thane creek from Raigad to Mumbai, which will lead to destruction of 2,520 mangrove trees and diversion of 26-hectare reserved forest area.

The Coastal Regulation Zone (CRZ) clearance was issued during the last meeting of the Maharashtra Coastal Zone Management Authority (MCZMA) while hearing the proposal by the Bharat Petroleum Corporation Ltd. (BPCL), which plans to build its second largest polypropylene unit (largest being built in Kochi) in India and a petrochemical complex at Rasayani, a town in Raigad district, and intends to supply petroleum products through a pipeline from its Mumbai refinery.

The unit will process 45,000 ...