What is Environment of Florida?
[[File:FLCaverns-Jan2007.jpg|thumb|Caverns at [[Florida Caverns State Park]]]] The [[U.S. state|state]] of '''[[Florida]]''' in the [[United States|U.S.A.]] has a mild [[Subtropics|subtropical]] [[climate]]. Because of that, millions of people have settled in the once [[rural]] state over the last hundred years. Florida's population increases by about 1,000 [[resident]]s each day.<ref name=growth>{{cite web |url= http://edis.ifas.ufl.edu/FE567 |title= Issues at the Rural-Urban Fringe: Florida's Population Growth, 2004-2010 |author= Clouser, Rodney L |author2= Cothran, Hank |publisher= University of Florida, Institute of Food and Agricultural Sciences |date= August 2005 |accessdate= 2008-01-29 |archive-date= 2008-05-02 |archive-url= https://web.archive.org/web/20080502163818/http://edis.ifas.ufl.edu/FE567 |url-status= dead }}</ref> [[Land development]] and water use have changed the state, mostly by draining the [[wetland]]s that once covered most of the [[peninsula]]. Much of Florida is made of [[karst]] [[limestone]] with water-filled [[cave]]s and [[sinkhole]]s,<ref>{{cite web |url= http://www.dep.state.fl.us/geology/geologictopics/sinkhole.htm |title= DRAM, FGS, Sinkholes in Florida |publisher= Florida Department of State |accessdate= 2008-04-17 |archive-date= 2008-04-20 |archive-url= https://web.archive.org/web/20080420113733/http://www.dep.state.fl.us/geology/geologictopics/sinkhole.htm |url-status= dead }}</ref> which provide homes to many [[species]] of aquatic life, some of which only live in Florida.<ref>{{cite web |url=http://www.floridasprings.org/learn/life/ |title=Life in a Spring |publisher=Florida Department of Environmental Protection |accessdate=2011-01-04 |archive-date=2011-01-12 |archive-url=https://web.archive.org/web/20110112193224/http://www.floridasprings.org/learn/life/ |url-status=dead }}</ref> As more and more people move to Florida, they use up the water in the underground caves. When a cave has no more water, it will sometimes collapse, forming a sinkhole, which can hurt animals, peo