The economics of leaving Earth. Settling the inner and outer solar system. The Expanse. Space cattle and other space resources (water, mineral).
Garbage in space aka space junk. Cleaning up space junk. Giant nets as a major cleanup strategy.
Modern waste management. What to do with municipal solid waste. Leachate. The difference between dumps and landfills and the interesting energy-reclamation technology involved in cutting edge WTE facilities.
Massive plastic appreciation. How plastics ushered in the modern world. A lament for wasteful use of “disposable” plastic products. Microplastics in the water. Biodegradable plastics. The discovery of plastic-eating bacteria. Speeding up nature to digest plastic now. The coming plague of plastic-eating bacteria.
This isn’t a thing! There’s no end point that is being retreated from - life just adapts to pressures, ongoing.
Revisiting our past failures. Combating cynicism by just kind of ignoring it.