Puerto Rico
Under the Constitution of Puerto Rico, Puerto Rico is described as a Commonwealth and Puerto Ricans have a degree of administrative autonomy similar to that of a U.S. state...
On May 15, 2013, headed by non-voting Resident Commissioner Pedro Pierluisi, a group of 119 Democratic and 12 Republican members of Congress cosponsored H.R. 2000, the Puerto Rico Status Resolution Act to Congress, requesting a process for voting to admit Puerto Rico as a State to be approved and a vote to ratify Puerto Rico as a state.
https://en.wikipedia.org/wiki/Puerto_Rico
https://en.wikipedia.org/wiki/Statehood_movement_in_Puerto_Rico
https://en.wikipedia.org/wiki/Politics_of_Puerto_Rico
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https://en.wikipedia.org/wiki/Category:Environment_of_Puerto_Rico
http://www.indexmundi.com/puerto_rico/environment_current_issues.html
http://www.nature.org/ourinitiatives/regions/caribbean/puertorico/index.htm
