Mombasa Launches Seagrass Carbon Swim with Real-Time Data Vests

Mombasa hosted the Blue Carbon Swim on November 9, 2025—athletes wore sensor vests measuring CO₂ absorption as they swam over seagrass meadows. Data streamed live to KMFRI dashboards. Your stroke quantifies hope, said Dr. Salim Ali. Over 350 participants joined; 8.2 tonnes of carbon mapped. UNEP featured it in *Citizen Science for Climate*. Annual event confirmed.