如果不减少温室气体,西哈德逊湾北极熊人口将减少40年,接近灭绝。 40-year decline in Western Hudson Bay polar bear population nears extinction if greenhouse gas reduction is not implemented.

气候变化正在威胁西哈德逊湾北极熊人口,40年来,该人口已减半,达到大约600头。 Climate change is threatening the Western Hudson Bay polar bear population, which has halved to about 600 bears over 40 years. 如果温室效应气体的排放量不减少, 人口可能会在世纪末消失。 If greenhouse gas emissions aren't reduced, this population may vanish by the century's end. 融化的海冰破坏北极海洋生态系统,影响食物链,特别是北极熊赖以生存的高脂肪海豹的供应。 Melting sea ice disrupts the Arctic marine ecosystem, impacting the food chain, particularly the availability of high-fat seals that polar bears rely on. 研究人员警告说,增加1.3-1.4°C可能导致其灭绝。 Researchers warn that an increase of 1.3-1.4°C could lead to their extinction.