A Race to Document Rare Plants Before These Cliffs Are Ground to Dust The species native to Cambodia’s limestone karsts exist nowhere else. Now these unique environments are being pulverized for cement. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Explosion Is Reported on London Underground TrainTiger Species Thought Extinct Is Possibly Spotted in IndonesiaNorth Korea’s Threat Pushes Japan to Reassess Its Might and RightsMore Than a Week After Irma, St. Martin Is Still Trying to SurviveAt Risk in Rohingya Exodus: 230,000 Children, Hundreds All AloneG.M. Chief, in China, Challenges Planned Bans of Gasoline Cars