A per­fect storm of hab­i­tat loss, hunt­ing and a pet trade is dec­i­mat­ing the world?s fresh­wa­ter tur­tle popula­t­ions, ac­cord­ing to an anal­y­sis from wild­life pro­tec­tion group Con­serva­t­ion In­terna­t­ional. Ur­gent ac­tion is needed to save the rep­tiles, say re­search­ers af­fil­i­at­ed with the Ar­ling­ton, Va.-based or­gan­iz­a­tion. A drop in many of the world?s tur­tle spe­cies, they add, is ev­i­dence that mis­man­age­ment of vi­tal fresh­wa­ter ecosys­tems is caus­ing deep and da­m­ag­ing en­vi­ron­men­tal im­pacts that will af­fect peo­ple and wild­life alik