contamination in the cdmx by Armando Reyes https://padlet.com/armando22rg/u55mx4zo01an Hecho con realidades en-us 2018-02-22 14:08:45 UTC 2025-11-06 15:02:01 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Soccerball.png Pollution is the set of chemical substances and harmful to the environment and, unfortunately, this comes from the human being, because nature does not give off, by itself, any substance harmful to the planet. armando22rg https://padlet.com/armando22rg/u55mx4zo01an/wish/234220640 2018-02-22 14:13:17 UTC https://padlet.com/armando22rg/u55mx4zo01an/wish/234220640 Is so much pollution necessary? armando22rg https://padlet.com/armando22rg/u55mx4zo01an/wish/234223245 Secretaria de salud, publicado el 11 de abril 2016, Todos por un mundo sin contaminación Ambiental en la CDMX,https://www.youtube.com/watch?v=OtOBz9_1xdU.]]> 2018-02-22 14:17:31 UTC https://padlet.com/armando22rg/u55mx4zo01an/wish/234223245 armando22rg https://padlet.com/armando22rg/u55mx4zo01an/wish/234241007 2018-02-22 14:42:03 UTC https://padlet.com/armando22rg/u55mx4zo01an/wish/234241007