0122-8285 0122-8285 S0122-82852017000100239 10.5294/pacla.2017.20.1.11 Colombia Colombia 00 01 2017 00 01 2017 20 1 239 268

1998 1987 1998 1989 Center for Energy Efficient Telecommunications 2013 2013 2013 28 2 2 84-99 2000 2008 17 3 3 319-34 2005 2011 35 4 4 269-91 Greenpeace International 2012 2012 74 5 5 484-503 2004 2012 30 11 11 1113-29 2012 1 1 1 7 2010 6 1 1 19-34 2011 467-85 2012 2013 699-712 2014 1962 2009 517-30 2015 3 5 5 653-63 2013 1973 16 1-4 1-4 95-100 1988 18 4-5 4-5 128-31 1989 1990 25 25 33 1989 2008 2014 62 2 2 209-22 1973 1953 1982 Planet Ark 2008 1970 160-8 1987 1998 2000 1 1 10-6 1969 2014 44 14 14 1577-678 1993 2012 22 2 2 204-25 2013 7 7 1418-41 1995 2003 2009 11 11 9 2014 8 8 2017-45 2007 16-31 1999 2008 1979