So basically we need to get into space to

- Create O'Neill cylinders whose only purpose will be farming of food. Ideally automated function with minimal crew which can have complete control over the environment so no pesticides needed by design and can be on the sun 24/7 to achieve maximal efficiency in growing crops.

- Mine minerals from asteroids to avoid gravity wells. This will solve dependency on random dictators controlling resources (Russia), accusation of neocolonialism (Africa) and avoid destruction of untouched nature (Ocean floor, Antarctica)

- Move heavy and polluting industry out of Earth and closer to primary inputs from meteorites. This will resolve out of control emissions which will be growing as population in 3rd world countries will get as rich as Western countries.

- Build a satellite swarm shade in front of Earth to reduce amount of sunrays falling onto the Earth and to prevent runway climate change. This can have also triple use as such shade structure can produce electricity in practically unlimited amount and concentrate this electricity into a beam aimed at a collector on Earth / industrial station on orbit or use it as a weapon by aiming such beam onto a target.

There is a coming agricultural robot revolution. Already tested are planters and harvesters that work to eliminate weed seeds, while simultanoiuslty planting "benifitial" plants. The planters work like dot matrix printers and each sead is planted in a specific place, for a specific reason. Harvesting is itself indiscriminate, with a "waterfall" air jet "ai" powered seed seperator, collecting each type of seed. This technology, was first pionered, by Debeers,in the 1950's for seperating diamonds and is in widespead use for many sorting jobs. During the growing season, robot weeders and robot "insect preditors" will take care of infestations, while inproving soil fertility by letting benifitial plants,insects, and animals to thrive. These types of agricultural practice will scale, down to family acerages, and of course there are many precision computer controlled devices already imbeded in all of the largest agricultural equipment now. Pestisides can be largly eliminated, yields can be increased, labour can be reduced, quality can be improved.

It's interesting I just finished reading an article about a very similar topic on overpopulation that argues that we're past the point where we have enough land to feed the population using organic methods: https://open.substack.com/pub/depopulism/p/in-defense-of-eff...