Increases in seeds from pioneer plants and systematic changes in the animals hunted are evidence of environmental degradation.

先锋植物种子的增加和被猎杀动物的系统性变化是环境退化的证据。

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Increases in seeds from pioneer plants and systematic changes in the animals hunted and the trees used for construction and fuel are evidence of environmental degradation.

先锋植物种子的增加，被猎杀的动物以及用于建筑和燃料的树木系统的变化是环境退化的证据。

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There is accumulating evidence indicating that birds navigate by using a wide variety of environmental cues.

越来越多的证据表明，鸟类通过各种各样的环境线索来导航。

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"There is emerging evidence that a whole host of new environmental chemicals, many of them routinely found in pregnant women and children - such as Bisphenol A, flame retardants,pesticides, phthialates,and airborne pollutants."

VOA: standard.2010.08.09

The agency said there was no evidence of environmental or ecological damage.

BBC: Dead fish

The knowledge being gained about these processes helps scientists interpret evidence about environmental changes on Mars that might have led to conditions favorable for life.

ENGADGET: Curiosity rover finds radiation levels on Mars are safe for humans

The proposals eschew the traditional risk-based U.S. regulatory approach and embrace the European style of precaution, which demands ex post proof of safety even where no current evidence reveals environmental or health harms.

FORBES: Anti-Hydraulic Fracturing Activists Focus Firepower on California