https://www.usatoday.com/story/weather/2014/09/02/california-megadrought/14446195/ https://www.usatoday.com/story/weather/2014/09/02/california... http://news.

https://www.usatoday.com/story/weather/2014/09/02/california-megadrought/14446195/ https://www.usatoday.com/story/weather/2014/09/02/california... http://news.nationalgeographic.com/news/2014/02/140213-california-drought-record-agriculture-pdo-climate/ http://news.nationalgeographic.com/news/2014/02/140213-calif... https://www.nytimes.com/2015/04/14/science/californias-history-of-drought-repeats.html https://www.nytimes.com/2015/04/14/science/californias-histo...