The world we live in is becoming more and more intolerable because of environmental destruction. Bird flu and Sars are twotypical examples that environmental destruction may threaten our life.

由于环境遭到破坏，我们生活的世界正变得越来越难以忍受，禽流感和SARS是两个典型的例子，对环境的破坏，可能危及自己的生命。

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Like the proverbial canary in a coal mine, the nearly 10, 000 known bird species act as "environmental barometers" whose populations can appraise the greater well-being of their habitats.

就如谚语所说煤矿里的金丝雀一样，近10,000种已知的鸟类在自然界中扮演着“晴雨表”的角色，它们的数量可以用来评价其栖息地的健康情况。

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Analyses and evaluations of the bird habitats: Environmental quality of the investigating sampling areas were evaluated by referring evaluation methods of developed countries.

鸟类栖息地分析与评估：参考国外栖息地评估方法，对调查样区环境状况进行了评估。

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Even more surprising was the decision in February of the federal and Alberta governments to charge Syncrude, a large tar-sands processor, with offences under environmental and bird-protection laws for the deaths of 500 ducks in one of the company's tailing ponds last April.

ECONOMIST: Stephen Harper looks to Washington, not Alberta

No-till, practised more in America than in Britain, means growing crops without ploughing fields, and leads to many-fold increases in bird population and a range of other environmental benefits.

ECONOMIST: What the birds and bees say

This notion that women's natural role as homemakers and mothers gave them a responsibility to act as nature's housekeepers led many socially conservative women to take up environmental activism, campaigning to protect the nation's bird population, which was being decimated by the feather trade, and promoting conservation education in their children's schools.

CNN: When helping Earth was women's work