BRUSSELS, Oct. 1 (UPI) -- The global effort to combat climate change resulted in a significant boost in green economic activity, a U.N. review of patents found from Brussels.
The U.N. Environment Program in a review of 400,000 patents selected from a pool of 60 million found a boom in green technological activity.
Achim Steiner, the executive director at UNEP, said the patent review provided a unique look at the field of clean energy technology.
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