The biggest was the Endangered Species Act of 1973, which protects imperiled animal species from extinction.
其中最著名的是1973年的《濒危物种法案》，该法案旨在保护濒临灭绝的动物物种。
Federated policy specifically prohibits the use of ozone-depleting substances and requires compliance with the United States Endangered Species Act of 1973.
根据联合采购集团的公司政策，在产品生产过程中绝对禁止使用可导致臭氧层破坏的物质，且必须遵守1973年《美利坚合众国危险物质法案》的规定。
Habitat saved under the Endangered Species Act (ESA) prevented these nocturnal mice from going the way of the dodo.
现在濒危物种法案正在保护这些昼伏夜出的动物免遭与渡渡鸟同样的厄运。
No flies were harmed in the making of this photograph of a Delhi Sands flower-loving fly, the only fly so far listed under the Endangered Species Act.
不到1000只。这是喜欢追逐鲜花的德里沙地苍蝇，已经列入濒危物种名录。
ANCHORAGE, Alaska - Federal officials said Monday that they will need a few more weeks to decide whether polar bears need protection under the Endangered Species Act because of global warming.
阿拉斯加州安克雷奇- - -星期一，联邦官员说他们还要几星期的时间才能决定，是否北极熊在全球变暖影响下需要列入濒危物种保护法的保护范围。
On August 31st a federal judge ruled that giant pumps supplying water to much of southern California were killing the smelt, which is protected under the Endangered Species Act.
8月31日，一联邦法官裁定向南加州供水的巨型水泵杀害了属于《濒危物种法》范围内的胡瓜鱼。
Today a rampart of federal legislation, such as the National Environmental Policy Act and the Endangered Species Act, would block the way.
如今有联邦法律保护，如《国家环境政策法案》和《濒危物种法》，会阻碍建坝。
Kempthorne proposed the "threatened" listing for polar bears in January 2007, and under the Endangered Species act that gave him a deadline of exactly one year for a final decision.
Kempthorne在2007年1月建议将北极熊列为“有灭绝危险的”，根据濒危物种保护法，他有整整一年的时间做出最后决定。
Although officials at one point said legislation would be ready for consideration in June, they now say they have no idea when a new version of the endangered species act will be introduced.
尽管官员们一度表示准备在6月份考虑立法问题，现在他们仍说不知道新的濒危物种法律何时能够出台。
On May 14, 2008, the U. s. Department of the Interior reclassified the polar bear as a Threatened Species under the Endangered Species Act, citing concerns about sea ice loss.
2008年5月14日，美国内政部根据濒危物种法案把北极熊重新分类为濒临灭绝的物种，引用了对海冰损失的关切。
On May 14, 2008, the U. s. Department of the Interior reclassified the polar bear as a Threatened Species under the Endangered Species Act, citing concerns about sea ice loss.
2008年5月14日，美国内政部根据濒危物种法案把北极熊重新分类为濒临灭绝的物种，引用了对海冰损失的关切。
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