The #10YearChallenge has gone so viral, it even became a meme. But among all the smiles and giggles, a serious version of the hashtag has emerged as well. Recently, people started using it to show the devastating changes our planet has been going through. From environmentalist NGOs and activists to regular internet users, many are saying this is the only #10YearChallenge we shouldn't ignore. Scroll down to check out its entries and upvote your favorites.
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