TEDxLausanne Countdown 2025 – Rethinking the System for Climate

What if the solutions to the climate crisis aren’t only technical — but relational, cultural, and systemic?
TEDxLausanne Countdown 2025 is more than talks. It’s where changemakers, creatives, scientists, entrepreneurs, and citizens gather to do something rare: connect deeply, rethink boldly, and act together.

This is Switzerland’s only TEDx Countdown Anchor Event, handpicked by TED among 18 events globally to shape the future of climate storytelling, prototype solutions, and contribute to TED Countdown's impact.

This year’s theme, Rethinking the System, brings together visionary thinkers and action-takers across energy, fashion, governance, water, and storytelling.

From decoding how to redesign prosperity, to sparking courage through intergenerational climate justice, each speaker offers not just insight — but a map forward.

In the afternoon, you’ll find hands-on spaces designed to unlock new perspectives — from debates and think tanks to collaborative labs or serious games like Daybreak and The SDG Game. You’ll meet startups, regenerative projects, and climate innovators already building the future — and leave with tools, allies, and ideas you can act on.