This kitchen knife is made entirely from recycled plastic bottles

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No Air Conditioning? 20 Weird, Wacky Hacks Our Readers Use to Stay Cool at Home

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10,000 plants are installed in a museum to highlight Australia’s eco problem

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These Samurai are saving the world one discarded wrapper at a time

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These cardboard tents are out to reduce festival waste

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​This Homemade Two-Ingredient Deodorizer Will Make You Want to Vacuum

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Australia’s magic island reveals its mythical disappearing lake

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