Overhead cables will be buried underground, and roads will be narrowed to make streets more pedestrian friendly.

BBC: Arthurian village set for facelift

Better yet, the carbon dioxide in the exhaust gases could potentially be captured and buried underground.

FORBES: Magazine Article

The high-level waste would then be enclosed in glass canisters and buried deep underground while the low-level waste was stored above ground in special secure facilities.

ECONOMIST: Nuclear waste