Two Kenyan students have created HewaSafi, a low-cost vehicle exhaust filter made from agricultural waste and spirulina algae. The innovation reduces harmful emissions, earned The Earth Prize Africa regional award, and showcases the power of youth-led climate solutions.

Rising fuel prices are reshaping Nigeria’s economy, increasing business costs, transport fares, and inflation. Yet the challenge is also driving innovation, efficiency, and investment in sustainable solutions that could strengthen long-term economic growth and resilience.