案例简介：Daniella Zalcman @ dzalcman的照片/如果您穿越美国西南部，尤其是在莫哈韦沙漠周围，您可能已经看到了约书亚树: 有点卡通化的植物，是丝兰家族的一部分。尽管它们在美国蓬勃发展了250万年-上个月在加利福尼亚州约书亚树国家公园的夜空下看到-气候变化和干旱加剧可能意味着这种心爱的物种2070年灭绝。加州大学河滨分校的科学家最近发现，除非我们减少温室气体的排放，否则约书亚树现有的栖息地只有0.02% 可以存活50年。在 @ dzalcman关注我，了解更多来自美国各地的故事。

案例简介：Photos by Daniella Zalcman @dzalcman / If you've traveled through the American Southwest, particularly around the Mojave Desert, you've probably seen Joshua trees: the somewhat cartoonish plants that are part of the yucca family. While they've thrived in the United States for the 2.5 million years—seen here under the night sky in California's Joshua Tree National Park last month—climate change and increasing droughts could mean the extinction of this beloved species by 2070. Scientists at UC Riverside recently discovered that unless we curtail our greenhouse gas emissions, only 0.02 percent of existing habitats for the Joshua tree will survive in 50 years. Follow me at @dzalcman for more stories from around the U.S.

国家地理 - Photos by Daniella Zalcman @dzalcman / If you've traveled through the American Southwest, particularly around the Mojave

案例简介：Daniella Zalcman @ dzalcman的照片/如果您穿越美国西南部，尤其是在莫哈韦沙漠周围，您可能已经看到了约书亚树: 有点卡通化的植物，是丝兰家族的一部分。尽管它们在美国蓬勃发展了250万年-上个月在加利福尼亚州约书亚树国家公园的夜空下看到-气候变化和干旱加剧可能意味着这种心爱的物种2070年灭绝。加州大学河滨分校的科学家最近发现，除非我们减少温室气体的排放，否则约书亚树现有的栖息地只有0.02% 可以存活50年。在 @ dzalcman关注我，了解更多来自美国各地的故事。

国家地理 - Photos by Daniella Zalcman @dzalcman / If you've traveled through the American Southwest, particularly around the Mojave

案例简介：Photos by Daniella Zalcman @dzalcman / If you've traveled through the American Southwest, particularly around the Mojave Desert, you've probably seen Joshua trees: the somewhat cartoonish plants that are part of the yucca family. While they've thrived in the United States for the 2.5 million years—seen here under the night sky in California's Joshua Tree National Park last month—climate change and increasing droughts could mean the extinction of this beloved species by 2070. Scientists at UC Riverside recently discovered that unless we curtail our greenhouse gas emissions, only 0.02 percent of existing habitats for the Joshua tree will survive in 50 years. Follow me at @dzalcman for more stories from around the U.S.

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国家地理 - Photos by Daniella Zalcman @dzalcman / If you've traveled through the American Southwest, particularly around the Mojave

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