Projected changes in future sea ice conditions, if realized, will result in loss of approximately two-thirds of the world's current polar bear population by the mid 21st century,the report's executive summary said.
Projected changes in future sea ice conditions, if realized, will result in loss of approximately two-thirds of the world's current polar bear population by the mid 21st century,the report's executive summary said.
该报告的小结部分提到：“如果有关未来北极海冰变化的预测准确的话，到本世纪中期，目前全世界的北极熊数量将减少三分之二。”