They can also indirectly support the preservation of entire forests, which in turn helps to combat climate change, according to Cornell University conservation scientist Jeff Wells.

据科奈尔环境保护科学家杰夫。 威尔斯说，驯鹿也间接支持整个森林的防护，轮流帮助对抗气候变化。

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"The indoor environment was dirty long before energy conservation came along," says Moschandreas, a pollution scientist at Geomet Technologies in Maryland.

马里兰州交美特科技公司的莫斯坎瑞斯，一位专门研究污染的科学家，说：“早在节能技术出现之前，室内环境就已经很脏了。”

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Gregory S. Stone is chief scientist for oceans at Conservation International. Brian Skerry's photos of Japan's ocean wilderness appeared in November.

格雷戈里·s·斯通是保护国际海洋类的首席科学家；布莱恩·斯凯瑞关于日本海域荒野的图片发表在十一月刊的《国家地理》上。

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Paul Donald, a conservation scientist with the UK's Royal Society for the Protection of Birds (RSPB), gives a great example of how these pictures can be used to understand the geographical distribution of very poorly known avian species.

BBC: Landsat aims to maintain gold standard

Until a few years ago, assessing the amount of plant matter in a forest in a cheap and accurate manner seemed an insurmountable problem, according to Eric Dinerstein, chief scientist of the World Wide Fund for Nature, a conservation group that is also involved in the Nepalese lidar project.

ECONOMIST: Forest conservation