NEW DELHI, March 27 -- The union environment ministry has notified island protection zone (IPZ) 2019 for Andaman and Nicobar, which allows eco-tourism projects 20 metres from the high tide line (HTL) in smaller islands like Baratang, Havelock and Car Nicobar, and at 50 metres in larger ones, and relaxed other norms, triggering concern among some green activists....