💐ECOLOGY DATES💐

🔥IUCN in 2004 estimated the total number of plant and animal species.

🔥Earth summit 1992

🔥World Summit 2002

🔥Environment protection act 1986

🔥Air act 1981. Amended in 1987 to include noise as air pollution.

🔥BS 3 since 2010 october

🔥Bs 4. Since 2010 april

🔥Water act 1974.

🔥Ozone hole over Antarctica develops in late August and early October.

🔥Montreal protocol signed in 1987 but effective in 1989.

🔥National forest policy 1988.

🔥Amrita Devi incident in 1731.

🔥Chipko movement in 1974.

🔥Joint Forest Management 1980.