Some aspects of living longer I'd love to have - more experiences, more knowledge and so forth. If we achieve this, but don't reduce input, longer life will ju

Some aspects of living longer I'd love to have - more experiences, more knowledge and so forth. If we achieve this, but don't reduce input, longer life will just mean we live to see the crash. So in order to have long life how can we stop the growth, and ideally reduce, the human population without totalitarian approaches? Before solving aging we need to solve achieving a genuinely sustainable number for the planet and its biosphere.