* [http://www.noaanews.noaa.gov/stories2011/20111027_drought.html NOAA study: Human-caused climate change a major factor in more frequent Mediterranean droughts] ,The National Oceanic and Atmospheric Administration (NOAA), October 27, 2011 | * [http://www.noaanews.noaa.gov/stories2011/20111027_drought.html NOAA study: Human-caused climate change a major factor in more frequent Mediterranean droughts] ,The National Oceanic and Atmospheric Administration (NOAA), October 27, 2011 |