In this episode of Mastering Sustainability, we're turning to an expert of our own. Estefania Xuclà, Government Affairs Director at Okeanos®, breaks down the rapidly evolving world of EPR and PCR legislation, the ongoing challenges of securing high-quality recyclate, and why upstream material reduction is becoming essential for brands worldwide. She also unpacks the crucial difference between good politics and good policy, offering clear, practical insight into how regulations are shaped, how industry can respond, and what it will take to build smarter, science-driven systems for a lower-impact future.

Estefi's Links:

Linkedin

Packaging Europe

In this episode of Mastering Sustainability, Madeline & Ray sit down with UN photographer and visual storyteller Kiara Worth, whose lens has captured some of the most defining moments in global climate negotiations. From COP conferences to communities on the frontlines of environmental change, Kiara shares what it means to bear witness to both the urgency and the humanity behind sustainability. Together, they explore how images can move policy, inspire action, and remind us of the shared responsibility we hold for the planet’s future—one frame at a time.

Kiara's Links: Linkedin & Instagram

Kiara's Reads:

al Jazeera

UN News Network

The Energy Mix

Monga Bay

Greenpeace

On this episode of Mastering Sustainability, we sit down with Kelvin Okamoto, Ph.D., CEO of Green Bottom Line, Inc., to unpack the complex and often misunderstood world of biodegradability.

Kelvin takes us inside the role of ASTM standards in separating science from marketing claims—sharing why rigorous testing is essential to cut through greenwashing and ensure real environmental impact. From clarifying what “biodegradable” truly means to exploring how standards shape policy, industry adoption, and consumer trust, his perspective highlights both the challenges and opportunities in creating accountability in sustainable materials.

Kelvin’s Links:

LinkedIn

Green Bottom Line

Environmental Science & Technology

Plastics News

Packaging News