Even if organic farming does consume a little less energy and produce a little less pollution, that must be offset against lower yields and greater land use.

即便有机种植的确消耗更少能源，产生更少污染，但也会被低产以及使用更多耕地所抵消。

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Most recently, a 2009 Stanford University study ranked energy systems according to their impacts on global warming, pollution, water supply, land use, wildlife and other concerns.

最近，斯坦福大学根据其对全球变暖、环境污染、供水系统、土地利用、野生生物及其他关注点的深入研究，发布了一份2009报告，对能源系统进行了排名。

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Land reclamation, city and port development, pollution and excessive use of coastal biologic resource are considered as the main environmental forcing factors to the degradation of coastal wetlands.

本文对滨海湿地退化的主要原因进行了分析，指出围垦、城市与港口开发、污染及生物资源过度利用是造成滨海湿地退化的主要因素。

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And that's at the same time that we're going to be hitting them with a lot of other challenges besides climate change - pollution and land use change, deforestation and fragmenting of the landscape.

NPR: Warming Will Create Micro-Climates, Scientists Say