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There were projects in India working on far-reaching technological solutions to the need for community toilets. Basically, I said that there is a well-known logistical solution and it is septic tanks: https://en.wikipedia.org/wiki/Septic_tank I went on to say that the community toilet buildings could be themed with stainless-steel roofs that funnel rainwater ...


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According to this article in Environmental Science & Technology (2020) the least GHG intensive process would be online shopping with fulfillment via physical store delivery: We found that shopping via bricks and clicks (click and fulfillment via physical store delivery) most likely decreases the GHG footprints when substituting traditional shopping, ...


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Two parts or two questions, not sure: Is it more efficient for a supermarket to send a van round to deliver stuff (eg a weekly/monthly shop for groceries) to multiple addresses, or for those people to drive (locally) to go and get it? This depends on the area where you live. If you live in an area where the houses are scattered around, the van has to drive ...


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