MSNBC: A devastating drought has Australia’s second largest city in its grip. For the last five years a lack of rainfall has turned thousands of acres of once brilliantly green parkland into somber shades of tan. This city of nearly 4 million people is still a vital center of business and culture but the extreme lack of water has left reservoirs at only 30 percent of capacity and the government has imposed heavy restrictions on water use. Some officials and journalists believe global …