ephemerality

The state or condition of being ephemeral; transience.

But in that quest, we sometimes lose sight of a central tenet: Nature’s ephemerality makes it all the more enchanting.

Something that is ephemeral.

So, too, the multiplication of bathrooms and the over-expenditure on broadly paved motor roads, and above all, the massive collective concentration on glib ephemeralities of all kinds, performed with supreme technical audacity.