Environment

http://en.wikipedia.org/wiki/Hurricane_Katrina

http://www.wunderground.com/education/webster.asp

http://www.magazine.noaa.gov/stories/mag184.htm

http://www.livescience.com/environment/050915_more_hurricanes.html

http://www.kbtx.com/home/headlines/46643632.html

http://www.cbc.ca/technology/story/2007/04/03/science-hurricaneforecast-20070403.html

There have been increasing earthquakes and tsunamis with increasing frequency:

 

Haiti

 

Chile

http://news.yahoo.com/s/nm/20100227/ts_nm/us_quake_chile