"The drought across much of the Western U.S. is now in its fourth year. In California — where it's the most intense — farms are not under the same strict orders to conserve as cities are.

And inside the agriculture industry, farmers are quietly debating how best to respond to the drought. Given uncertainty around pending state regulations, some say there may be an incentive to not invest in water-saving technologies right now.

In the world of water conservation, there are a few no-brainer solutions. Take drip irrigation."

Aarti Shahani reports for NPR's All Things Considered May 11, 2015. [2]