Causes of Excessive Phlegm & Mucus in the Throat. While chronic phlegm does become a serious cause for worry for many, the truth is that there are a number of reasons for phlegm or excessive mucus in throat. For some, it may just be a case of morning reflux, with no excessive production of flem during the rest of the day.
The Red River in Minnesota and Canada every dozen years freezes and then thaws unevenly causing floods unless towns build dikes or huge diversion dams like at Winnipeg in Canada. Now in 2009 the Mississippi River freezes north of Iowa, and south of Iowa there are patches of freezing. Around 1900 in St. Louis the river froze which surprised most there although it was really an ice dam of millions of icebergs, and people walked across this ice gorge of ice jams.
The Mississippi River Delta is disappearing at an astonishing rate: A football field of wetlands vanishes into open water almost every hour. Since the 1930s, Louisiana has lost nearly 1,900 square miles of land, an area roughly equivalent in size to the state of Delaware.Many factors have led to the delta's collapse.he Mississippi River Delta is disappearing at an astonishing rate: A football field of wetlands vanishes into open water almost every hour. Since the 1930s, Louisiana has lost nearly 1,900 square miles of land, an area roughly equivalent in size to the state of Delaware.