ðECOLOGY DATESð
ð¥IUCN in 2004 estimated the total number of plant and animal species.
ð¥Earth summit 1992
ð¥World Summit 2002
ð¥Environment protection act 1986
ð¥Air act 1981. Amended in 1987 to include noise as air pollution.
ð¥BS 3 since 2010 october
ð¥Bs 4. Since 2010 april
ð¥Water act 1974.
ð¥Ozone hole over Antarctica develops in late August and early October.
ð¥Montreal protocol signed in 1987 but effective in 1989.
ð¥National forest policy 1988.
ð¥Amrita Devi incident in 1731.
ð¥Chipko movement in 1974.
ð¥Joint Forest Management 1980.
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