You start with the imagination, then you do the research, then you choose the least bad option (politics notwithstanding) I am not saying "chuck iron filings i

You start with the imagination, then you do the research, then you choose the least bad option (politics notwithstanding) I am not saying "chuck iron filings in the sea now" I am saying "research it now, so we have globally understood trade offs and impacts for when things get bad"