3 ms·
If we, here on Earth, want to survive the next couple of centuries we need to find a way to keep our population growth under control. Either we succeed or we mo
by misja111 6y ago
If we, here on Earth, want to survive the next couple of centuries we need to find a way to keep our population growth under control. Either we succeed or we most likely will destroy ourselves and/or the Earth. But if we succeed, we also don't have much need to leave Earth anymore.
I'd say that this is also the case for other civilisations, which might be another reason why we don't see them.
- gkfasdfasdf 6y agoI think we currently have the opposite problem: fertility rates are down, and the world's population is aging. Population growth is slowing and projected to stop. https://www.pewresearch.org/fact-tank/2019/06/17/worlds-population-is-projected-to-nearly-stop-growing-by-the-end-of-the-century/ https://www.pewresearch.org/fact-tank/2019/06/17/worlds-popu...
- pfdietz 6y agoLike pesticides on insects, this will eventually select for people not subject to the birth control effects of modern society.
- D-Coder 6y agoThis assumes that every single intelligent species fails this way. We only need one that is smart enough or lucky enough to avoid this problem. Similarly for other problems that can block interstellar travel (bureaucracy, nuking themselves, etc).
- pfdietz 6y agoAnd not just here, but in all the other galaxies we can see. Surveys for K3 civilizations in other galaxies have come up empty.