In the long and often turbulent work of restoring Nairobi's rivers to life, leadership transitions are as inevitable as the currents themselves. Margaret Wanjiru, who arrived at the Nairobi Rivers Commission in October 2024 through a presidential reshuffle, has chosen to depart on her own terms, submitting her resignation in early August with an effective date of August 31. Her 20-month tenure — marked by institutional friction, a resolved leadership dispute, and the quiet labor of environmental governance — closes a chapter for a commission still young in its mission to reclaim the city's wat