The atmosphere’s warming trend slowed suddenly, tapering to a halt in only twenty years. Ocean temperatures shifted their immense inertia to follow suit. The icecaps began to regain weight. The composition of the upper atmosphere changed subtly, and excess carbon precipitated in tiny flecks, staining rains faint gray.
Climate change deniers crowed victoriously. Look how our god provides for us with a repaired environment!
When the aliens arrived demanding slave levies and mountains of resource tribute or else they’d turn off the weather control they’d been exerting from beyond Mars for thirty years — oh, how the deniers wailed and wilted!