As the world moves toward a more sustainable future, Africa’s role in shaping global climate solutions has never been more vital. This week, TEDxJohannesburg Countdown 2025 takes centre stage across Gauteng — uniting visionary thinkers, innovators, and changemakers to drive real action on climate and energy.

Joining us is Viaksha Mohabir, a leading voice in energy transition and advisor to the G20 Energy Transition Working Group. She unpacks the theme “Countdown 25” — connecting global urgency with local innovation — and explores how South Africa’s historic G20 presidency is advancing solidarity, equality, and sustainability.From empowering young women in the energy sector to envisioning a just transition rooted in justice, creativity, and courage — this insightful conversation offers a roadmap for Africa’s sustainable energy future.