Conversation

If you take space exploration and anything to do with preventing or lowering suffering (eg stopping climate change or curing cancer or eliminating hunger) off the table, what’s at the top of your list as a worthwhile civilizational ambition?
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The great lakes are basically just glacial puddles that haven't dried up yet. If you take their water out of their local basin, it doesn't come back. The US uses enough water that we could drain them entirely in a few decades, permanently destroying those environments.
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