University of Hong Kong geographer Dr. David Zhang publishes a new report on October 4, 2011, which concludes that the majority of humankind's historical wars, epidemics and economic downturns were directly linked to climate change.  

http://www.sott.net/articles/show/235821-Human-Crises-Linked-to-Climate-Change-Study-Suggests
http://www.wired.com/wiredscience/2011/10/climate-change-war/

With no signs of rain for the previous 200 days, a state of emergency is declared at the end of September 2011 for nearly 75% of the municipalities in the Mexican state of Durango, as drought and water storage levels fall to 30% of capacity.

http://www.eluniversal.com.mx/notas/797442.html
http://www.oem.com.mx/elheraldodechihuahua/notas/n2247017.htm

The Indonesian government announces on October 3, 2011 that the World Wildlife Fund (WWF) is joining Greenpeace in a campaign to save from deforestation the tree-canopied regions that are home to Sumatran tigers and elephants, both considered to be the sacred guardians of the forest.

http://www.antaranews.com/en/news/76127/wwf-greenpeace-indonesia-save-sumatran-tigers-and-elephants
http://www.oananews.org/view.php?id=202804&ch=, http://tripholiday.net/tesso-nilo-national-park.html