The Telegraph – Environmental inspectors investigating a massive die-off of fish on Mexico’s southern Pacific coast say they have found problems with waste discharges from a coffee processing plant and two fish packing plants in Puerto Chiapas.

http://www.telegraph.co.uk/news/worldnews/centralamericaandthecaribbean/mexico/11811002/Fish-die-off-in-huge-numbers-on-Mexico-coast.html