Free water refills to combat plastic bottles

https://www.theguardian.com/world/2018/mar/15/london-trials-free-water-bottle-refills-in-bid-to-cut-plastic-waste

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Science in Service to the Public Good

https://www.ted.com/talks/siddhartha_roy_science_in_service_to_the_public_good?utm_campaign=social&utm_medium=referral&utm_source=facebook.com&utm_content=talk&utm_term=science