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مشاهدة النسخة كاملة : World marine population crashing: WWF report



BECKHAM
16-09-2015, 05:08 PM
Populations of marine mammals, birds, reptiles and fish have dropped by about half in the past four decades, with fish critical to human food suffering some of the greatest declines, Swiss-based environment group WWF warned on Wednesday.

for more... (http://www.thelocal.ch/20150916/marine-population-crashing)