Desarrollo Sustentable

Antecedentes

Approx. 1968
Approx. 1972
Approx. 1972

1980

1980
Approx. 1981
1982
Approx. 1982
1984
1987

1990

Approx. 1992
1993
1994
1996
1997

2000

2000
2000
2001
2002
2004
2004
2006
2007