Paris (AFP) - California will zigzag between droughts and floods which will become more intense and more frequent in the coming decades unless global emissions of planet-warming greenhouse gases are checked, researchers said Monday. The Golden State has already experienced a rapid rise in such "whiplash" events -- careering from a record multi-year drought between 2012 and 2016, to heavy flooding in the winter of 2016-17. The situation will worsen as the global climate alters due to mankind's voracious burning of coal, oil, and gas for energy, a team wrote in the journal Nature Climate Change. They projected that wet-to-dry...