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×![Professor Jeffrey Sachs, director of The Earth Institute. Image source:](https://biz-file.com/c/1701/377338-208x117.jpg?2)
![Getting smarter about city lights is good for us and nature too](https://biz-file.com/c/1612/373118-208x117.jpg?2)
Getting smarter about city lights is good for us and nature too
Alex Kusmanoff, Georgia Garrard, Luis Mata and Sar 30 Dec 2016
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![Professor Jeffrey Sachs, director of The Earth Institute. Image source:](https://biz-file.com/c/1701/377338-208x117.jpg?2)
![Getting smarter about city lights is good for us and nature too](https://biz-file.com/c/1612/373118-208x117.jpg?2)
Getting smarter about city lights is good for us and nature too
Alex Kusmanoff, Georgia Garrard, Luis Mata and Sar 30 Dec 2016
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