Alexander Ochs is director of the climate and energy programme at the Worldwatch Institute.

亚历山大·奥克斯，世界观察研究所气候与能源项目主管。

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According to the Worldwatch Institute, we have used more goods and services since 1950 than in all the rest of human history.

世界观察研究所称，我们1950年以来使用的商品和服务超过了人类所有其他历史时期的商品和服务量的总和。

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According to the Worldwatch Institute, the meat industry is directly responsible for 85 percent of all soil erosion in the us.

根据世界观察研究所，肉食工业为美国85%的土壤侵蚀直接负责。

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Says Danielle Nierenberg, a senior researcher with the environmental research organization the Worldwatch Institute.

VOA: standard.2010.07.28

Chris Flavin, president of the environmental research group Worldwatch Institute in Washington,said "The world has made enormous progress in changing policies, in investing in new technologies, in general raising awareness about environmental problems.

VOA: standard.2010.01.23

According to environmental monitoring group the Worldwatch Institute, China now boasts 16 of the world's 20 most polluted cities.

CNN: China: Economic growth, environmental destruction

As fish farming expands and producers attempt to grow larger fish in crowded quarters, the risk of disease and depletion will increase, according to Brian Halweil of the Worldwatch Institute in Washington, D.

FORBES: Swimming in Prosperity