Hacker News new | past | comments | ask | show | jobs | submit login

Exactly. If we figured out how to do vertical farming efficiently, and packed more people into cities in an efficient but highly livable manner (more high-rises, much better public transit, getting people to stop expecting a giant house with giant yard and having cars to take them everywhere), we could easily both expand the human population and also return a lot of land to nature.

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | Legal | Apply to YC | Contact