Agence France-Presse reports on August 9, 2011 that climate change, which is causing weather extremes of droughts and floods in Guatemala, is a factor in chronic malnutrition in the Central American nation where half of all children under five do not have enough to eat.

http://www.france24.com/en/20110809-green-hunger-starvation-stalks-fertile-guatemala

After discovering that historic warming of ocean waters by around two degrees Celsius prompted rapid discharges of the northerly Laurentide Ice Sheet in what is now Canada, US researchers warn that very small amounts of sub-surface water warming at the poles could lead to rapid collapse of ice shelves and rising sea levels.   

http://www.sciencedaily.com/releases/2011/08/110801160231.htm
http://www.usnews.com/science/articles/2011/08/03/ancient-melting-process-similar-to-existing-concerns

With unseasonably hot weather continuing in Japan as of August 12, 2011, temperatures in many areas remain well above 35 degrees Celsius, with four people who perished due to heat-related conditions in the past several days alone and 859 who were hospitalized with heatstroke symptoms.

http://mdn.mainichi.jp/mdnnews/news/20110812p2g00m0dm006000c.html
http://www.google.com/hostednews/afp/article
/ALeqM5gy_ZOdYVdC8CNrQqvTFN3lvMHTtA?docId=CNG.344a9d121c1b25604464f4520c021b3b.521