2023年全国古树名木保护科普宣传周日前在陕西省黄陵县启动。启动仪式上，全国古树名木智慧管理系统正式上线。 A big data platform for the management of ancient and famous trees across China was launched on Monday in Huangling County, northwest China's ...

如今，大树计划 Big Tree Program（也称为冠军树计划）在美国所有50个州和哥伦比亚特区进行的都很积极。 许多国家都将其作为自己项目的模式。 美国森林列出了国家大树计划的一些重要里程碑： ...

七、 朗读音频 California has lost half its big trees since the 1930s, according to a study to be published Tuesday and climate change seems to be a major factor (因素).