W arning Signs #221 By Hank Silverberg The world may have been ignoring too many warning signs over the last couple of decades, and now they are all coming to roost. Warning 1: Perhaps the biggest one here in the United States comes from the west coast where experts say the multi-year drought is going to get worse. The National Oceanic and Atmospheric Administration is calling it a "megadrought." NOAA says 60% of the continental U.S. is experiencing drought conditions, the largest area in the U.S. since 2013. And a study published in Nature Science Change indicates that the period between 2000 and 2021 was the driest in 1,200 years. Just one example comes from Utah, where 99% of the state has severe drought conditions and 43% is in extreme drought. (Courtesty USGS) The drought presents several problems. Drinking water...