Earth’s intensifying storms, heat, droughts and floods underscore that humanity is falling behind in its race against climate change. With global powers and institutions still debating how to transform economies and share the costs of surviving a destabilizing climate, the planet’s most vulnerable continent managed partial advances this month toward a regional consensus. The first-ever Africa Climate Summit amplified demands for a robust, fairer collective response to a warming planet — but fell short of forging a unified African position. Critically, it missed a chance to outline a strategy for dealing with the combined impacts of climate and violent conflicts.