0120-3916 0120-3916 S0120-39162020000200223 10.17227/rce.num79-7972 Colombia 00 08 2020 00 08 2020 79 223 242

2009 2012 51-66 2010 2005 1994 2011 2011 2009 17-36 2015 11-31 2016 11-29 1991 2001 2001 2000 2000 2001 1984 2003 389-90 2006 1996 2006 25 2 2 9-22 Wingspread Conference on the Precautionary Principle 1998 2007