Recently on The Bridge, Geoff Green speaks with Don Walsh, the first person (alongside Jacques Piccard) to reach the bottom of the Mariana Trench and Kelly Drennan Walsh, Don’s son who followed in his father’s footsteps 60 years later. Together they discuss what it was like to explore 11km below the surface, and why understanding and protecting the ocean is more important than ever.

The Bridge is SOI’s online platform focused on engaging and inspiring youth through a diversity of content and dialogue across social and environmental themes such as the importance of Indigenous knowledge in conservation; the emerging Sustainable Blue Economy, and opportunities for youth engagement in climate policy. SOI releases new content monthly and can be found on our website at

We hope to see you onboard!