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Athletics Kenya (AK) president Lt. Gen. (Rtd) Jackson Tuwei plants a tree at Haile Selassie Expressway terminal ahead of the 2026 Nairobi City Marathon. [Jonah Onyango, Standard]

In a major boost to environmental sustainability ahead of the upcoming Nairobi City Marathon on June 7, 2026, a high-level coalition of sports, science, and infrastructure leaders gathered at the Haile Selassie Expressway terminal to launch a dual-pronged climate initiative.

Led by Athletics Kenya (AK) president Lt. Gen. (Rtd) Jackson Tuwei, the delegation participated in a symbolic tree-planting ceremony to mark an expanding partnership aimed at tackling urban air pollution and accelerating Nairobi's green canopy goals.

The ceremony joined together key global and local leaders, including Philip Osano (Chief Operating Officer of CIFOR-ICRAF), Yu Fukai (Chief Executive Officer of Moja Expressway Limited), and Niall O’Connor (Centre Director of the Stockholm Environment Institute (SEI) Africa).