The new sites include three wetlands (Karikili Bird Sanctuary, Pallikaranai Marsh Reserve Forest and Pichavaram Mangrove) in Tamil Nadu, one (Pala wetland) in Mizoram and one wetland (Sakhya Sagar) in Madhya Pradesh.
The new ozone hole was discovered over the tropics, the area between the tropic of Cancer and the tropic of Capricorn, and has reportedly been there for over 30 years.
EXAMIANS