Climate News Network: One way or another, humans are to blame for the catastrophic drought in California that scientists say may be emerging as a new normal. Either humans have mismanaged the states water or human-triggered global warming has begun to help turn Americas landscape of wine and roses into a dustbowl, according to two new studies. And the arguments have relevance extending far beyond the U.S. west, as the European Drought Observatory has warned that much of mainland Europe is now caught up in the continents...