Secretary of State Hillary Clinton calls for limits on tourism in Antarctica . The accord specifies that Antarctic territory can not be used for military purposes . The U.S. Geological Survey says the area is home to more than 100 species and has been designated a World Heritage Site. Clinton addressed Arctic Council and Antarctic Treaty Consultative Meeting . Twelve nations signed the Antarctic Treaty in 1959 ; 47 nations abide by it today .
Secretary of State Hillary Clinton calls for limits on tourism in Antarctica . The U.S. Geological Survey says the area is home to more than 100 species and has been designated a World Heritage Site. Clinton addressed Arctic Council and Antarctic Treaty Consultative Meeting . Twelve nations signed the Antarctic Treaty in 1959 ; 47 nations abide by it today .