Climate change is hitting West African cities hard. From extreme heat to rising sea levels to intense floodings, urban areas are facing a new reality that threatens the lives and livelihoods of vulnerable communities. At the same time, cities like Lagos, Dakar and Accra are becoming entrepreneurial powerhouses on the continent. In November 2023, the BFA Global TECA team threw a waveseeding event in Lagos, Nigeria to lay the foundation for the climate innovation ecosystem, recognizing the growing urgency and opportunity for new adaptation ventures in West Africa.