Officials briefed on the matter described climate investment as a turning point that few analysts had penciled in even a quarter earlier, citing shifts in agricultural output and a recalibration of expectations across Southern Africa.

Markets responded in measured fashion. Traders pointed to climate investment as the principal catalyst, though strategists at three large banks cautioned that the underlying dynamics in agricultural output remain unsettled.

Behind the headline figures, a more nuanced picture is emerging. Practitioners closest to climate investment say the conversation has quietly turned toward agricultural output, a shift that would have been unthinkable as recently as last winter.

Critics argue the response has been too cautious. Supporters counter that any move on climate investment must be weighed against the still-fragile recovery in agricultural output, particularly across Southern Africa.

The longer arc is harder to read. For now, climate investment appears to be reshaping the calculus around agricultural output, and few of the people interviewed for this piece expected that recalibration to reverse before year-end.