Refuge at risk: Arizona s Sky Islands grow more vulnerable to climate change, wildfires, mining yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
The impacts of drought and climate change could be showing themselves in Tucson s Rincon Mountains, where researchers found shockingly dry conditions during a survey of perennial springs last year.