Climate change linked to heat and drought

Human-related climate change led to the extreme heat in Australia last summer:
http://www.nytimes.com/2014/09/30/science/earth/human-related-climate-change-led-to-extreme-heat-scientists-say.html?_r=0

And Stamford University has linked the California drought to climate change:
http://news.stanford.edu/news/2014/september/drought-climate-change-092914.html