Mumbai that has just been through a scorching summer ought to have realised the importance of green cover, but the lesson is lost on the BMC. Even three months after the newly-elected civic house met, it is still to constitute the Tree Authority. The authority comprises 15 corporators and 15 nominated members. By now, it should have met thrice, but since no decision has been taken on the 15 nominees, the committee has yet to get off the ground.