Explore every episode of the podcast The Turtle Talks

In the fourth episode of The Turtle Talks, 15-year-old host Sienna interviews Mathilda D'Silva, social entrepreneur, blue economy specialist, and founder of the Ocean Purpose Project (OPP). Based at the OPP Beach Office in Pasir Ris, Mathilda shares her unique journey, from a TV producer to an innovator engineering solutions for ocean pollution. She discusses her philosophy on "solution engineering," emphasising that effective climate action often lies in low-cost, nature-based, and community-led initiatives rather than relying solely on expensive, high-tech fixes. The conversation explores how to turn personal concern into measurable, long-term impact. Key topics include:

• The Turning Point: How Mathilda’s personal health challenges connected to polluted water became the catalyst for founding a social enterprise.

• "Project Langsir": An innovative bioremediation project using seaweed and mussel curtains to naturally filter water, absorb excess nutrients, and prevent algae blooms.

• The Power of Implementation: Why long-term environmental success relies on consistent, operational viability and practical community involvement rather than just conceptualising ideas.

• Accessible Action: Moving beyond the "ostrich effect" by focusing on what can be done in your own "backyard"—using individual skills and local resources to solve global problems.

In the third episode of The Turtle Talks, 15-year-old host Sienna virtually sits down with Evonne Fouesnant, Chief Editor of Ocean Geographic. Evonne shares how she bridges the gap between scientific precision and compelling storytelling to cultivate change. Together, they explore the philosophy that "facts inform, but stories inspire."

Sound Bites

• "Every action, no matter how small, makes a difference."
• "Storytelling is a powerful tool to cultivate change."
• "Use your skills and talents to create impact."

In the second episode of The Turtle Talks, 15-year-old host Sienna interviews Garrick Dawson, Global Ambassador for the Love Button Global Movement and a tour representative for Coldplay.

Garrick, who travels the world with the band, discusses his journey from an academic background with a Master's in Education to mobilising thousands of volunteers across over 50 countries. He explains the philosophy of "giving back through love" and shows how even a minimal commitment of volunteer time can create a profound, global impact.

The conversation explores simple, practical steps listeners can take to start volunteering, effectively transforming concern into tangible action. Key topics include:

• The "snowball effect"—how one simple, practical step accumulates into significant change.

• Defining personal impact, whether it means changing the world or simply changing "someone's frown to a smile."

• The role of platforms like music and live events in connecting audiences to the need for conservation and humanitarian participation.

In this debut episode of The Turtle Talks, 15-year-old host Sienna virtually sits down with Hong Kong Cleanup founder Lisa Christensen, whose organisation has mobilised over one million participants to remove more than ten million kilograms of trash from Hong Kong’s coastlines, trails and city streets. 

Together, they explore how a single one-day beach cleanup became a year-round movement and what individuals, wherever they live, can do to protect the environment.