Everyone should collaborate to maintain the planet by doing their part, as small individual actions can make a big impact if many participate. The document provides links to websites about global climate change causes and tips for avoiding climate change, as well as a YouTube video on the topic.

12.  TODOS DEBEMOS
COLABORAR EN LA
TAREA DE
MANTENER VIVO
AL PLANETA DESDE
LO QUE NOS
CORRESPONDA
HACER.
 SI CADA UNO HACE
POCO, PRONTO
SERÁ MUCHO.

14.  http://cambioclimaticoglobal.com/
 http://www.nationalgeographic.es/med
io-ambiente/calentamiento-
global/calentamiento-global-causas
 http://www.dforceblog.com/2009/06/2
7/los-10-mandamientos-para-evitar-el-
cambio-climatico/
 https://www.youtube.com/watch?v=w
Pxu63WtJI8