In the four years since the drought in California began, the lack of water has cost thousands of jobs, caused noticeable changes in the landscape and induced desperation among citizens who are running out of options.
In search of a solution, farmers who have drilled deeper and deeper into the ground for available water have sought help from unlikely sources.
This was broadcast at the end of 2014 on PBS NewsHour, when there was still hope for a strong and wet winter.