Geoengineering

Tampering with the atmosphere

• air using micro ships
• airmeshes

Tampering with the lithosphere

• deep drilling and underground working

Tampering with the biosphere

• e.g. removal of excessive nitrates form the oceans (for attemp tof repair of dead zones)

Tampering with the Hydrosphere

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Extreterrestrial

Best canditates are bodies with dense building material atmospheres bathed in intense sunlight.
You may guess which of the eight known nondwarfplanets in our solar system is paradise for APM technology - (here's the solution).

Related

• Geoengineering mesh