The threats to endangered sites include natural disasters, deterioration caused by age, and human neglect, mismanagement and inappropriate development, fund officials said.
基金会的官员说：对于这些濒危古迹的威胁来自各个方面，包括自然灾害、年久颓败、人类的忽视、管理不善以及开发不当。
They also address emergency situations caused by natural disasters or the adverse effects of human activities, and offer opportunities for hands-on training.
这些项目还处理自然灾难造成的紧急情况或人类活动的不利影响，提供实际培训机会。
The clock setting, which has been a staple since 1947, represents the severity of the perceived threat to humanity from nuclear or biological weapons, climate change and other human-caused disasters.
“末日之钟”于1947年设立，代表了人类感受到的来自核武器或生化武器、气候变化及其它人为灾难等威胁的严峻程度。
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