In engineering, experience gained is directly proportional to the amount of equipment ruined. - Stephen Baxter

Nothing mankind had done in its short and bloody history had made the slightest bit of difference to this patient geographical realignment.
Meanwhile the Earth, left to its own devices, had deployed a variety of healing mechanisms, physical, chemical, biological, and geological, to recover from the devastating interventions of its human inhabitants. Air pollutants had been broken up by sunlight and dispersed. Bog ore had absorbed much metallic waste. Vegetation had recolonized abandoned landscapes, roots breaking up concrete and asphalt, overgrowing ditches and canals. Erosion by wind and water had caused the final collapse of the last structures, washing it all into sand.
Meanwhile the relentless processes of variation and selection had worked to fill an empty world.

You aren't doing much for morale, Sidewise."
Sidewise shot back, "And what about my morale? It does me no damn good to ignore what's blindingly obvious all around us.

She wondered if the gerontocrats—conservative, selfish, reclusive, obsessive—were responsible for a more general malaise that seemed to her to have afflicted this fast-forwarded world. There had been change—new fashions, gadgetry, terminology—but, it seemed to her, no progress. In science and art she could see no signs of meaningful innovation. The world’s nations evolved, but the various supranational structures had not changed for decades: the political institutions that wielded the power had ossified.