Overpopulation can be solved while increasing the human population, by eliminating people's environmental footprint. This is a much better way of solving the issue of overpopulation than consciously avoiding solving the problem of aging.
A larger population, that sees an acceleration in the rate of per capita human capital accumulation, as a consequence of aging being solved, could also be a huge boon for other lifeforms, as it could mean artificial habitats being created outside of Earth where these lifeforms could flourish. It is entirely possible for human civilization to one day create continent sized O'Neill cylinder covered with forests originating from Earth.
> Overpopulation can be solved while increasing the human population, by eliminating people's environmental footprint.
Ha! I have heard of people trying to control the world but I have never seen it accomplished. Yes, there are many impossible possibilities that can only be created with fascism.
What I described is not a museum. It is a living, evolving ecosystem. It is however under the conscious control of humans. A milder version of this exists in the form of national parks and wildlife reserves.
It also is not mutually exclusive with preserving Earth's natural habitats. In fact, expanding beyond Earth makes it possible to outsource industry and agriculture off-Earth, to allow more of the Earth's surface to be returned to its pre-human state.
Finally, in terms of human-engineered expansion of habitats for other lifeforms, there is the far more durable possibility of terraformed planets. These would require no active intervention to maintain once the terraforming has been completed.
In short, the ascent of human civilization can be, and I would bet would likely to be, a massively positive development for all forms of Earth-based life.
A larger population, that sees an acceleration in the rate of per capita human capital accumulation, as a consequence of aging being solved, could also be a huge boon for other lifeforms, as it could mean artificial habitats being created outside of Earth where these lifeforms could flourish. It is entirely possible for human civilization to one day create continent sized O'Neill cylinder covered with forests originating from Earth.