/u/faizimam's posts in /r/askscience

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The various covid vaccine programs require massive amounts of materials. Vials, needles, cold storage containers. Do these all get thrown away after a single use? Is there a recycling program that could optimize the supply chain?

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Given the mass of leaves that are put in the trash or (ideally) composting services every fall, how do urban ecosystems maintain themselves?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
The various covid vaccine programs require massive amounts of materials. Vials, needles, cold storage containers. Do these all get thrown away after a single use? Is there a recycling program that could optimize the supply chain?	1
Given the mass of leaves that are put in the trash or (ideally) composting services every fall, how do urban ecosystems maintain themselves?	1