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Khanh commented on Renewable Energy from Evaporating Water

thanks for great sharing !

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Khanh commented on Reducing Methane Emissions from Dairy Cow Burps

Thanks for sharing Kevin. Great idea !

Thanks for sharing Yudi. That is a really good idea. I found one that is quite similar like what u posted. Have a look. Hope u find it useful
 https://challenges.openideo.com/challenge/climate-stories/stories/mason-jar-wind-chime-solar-light-for-a-green-christmas-decor