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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In the Worldwatch report, I find no expressed preference for one size of city over another.

在世界观察报道中，我找不到对一个城市大小的明确偏爱。

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In Uganda, the Worldwatch report says some schools are teaching children how to grow local varieties of crops.

世界观察研究所的报告称，在乌干达，一些学校教孩子们如何种植当地的农作物品种。

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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

Worldwatch seems to be using this to mean that this is the limit of all of the copper atoms available to us.

FORBES: Peak Copper: Worldwatch Institute Gets It Wrong Again

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