Every time I see things like this I am reminded of how fortunate a life I am living.
I don't think it's too radical an idea that we might need to cover some sustainability in our materials science courses. When the limestone from this quarry is being used to make cement and paper and tiles and much more, we might want to rethink whether we actually need to use that much limestone - and if we do, how we might want to pay a little more so that the people who are manning those quarries can actually survive the process.
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