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One Promise: How a Postcard Changed Behaviour for a Year

How To Protect The Ocean

Release Date: 10/31/2026

The Straw Backlash: Why Guilt Doesn't Work show art The Straw Backlash: Why Guilt Doesn't Work

How To Protect The Ocean

"You can't care about plastic. Your phone is made of plastic." If you've ever heard that, you know what it's for. It's designed to make you feel like a hypocrite, so you give up. In this episode, Andrew goes back to one of the most famous moments in plastic pollution: the 2015 video of researchers in Costa Rica pulling a plastic straw from an olive ridley sea turtle's nose. A few months later, the same researcher pulled a plastic fork from another turtle. The straw video helped spark a global push against single-use plastics, and then the straw itself became a punchline. Andrew explains why...

info_outline The Beach That Doesn't Need Cleaning Anymore show art The Beach That Doesn't Need Cleaning Anymore

How To Protect The Ocean

Picture a beach cleanup. Two hours of hauling bottles, wrappers and foam off the sand. Now picture the same beach ten years later, where you walk the whole length and come home empty-handed. Not because nobody cleaned it, but because there's nothing left to clean. That's a real story, and it happened in Tofino, a surf town on the west coast of Vancouver Island. In 2016 its beaches were covered in plastic, and the local Surfrider chapter realized they could clean every weekend for the rest of their lives and it would never stop. So they changed tactics. They went to the businesses handing out...

info_outline Too Enthusiastic? How to Find Your Place in Ocean Action show art Too Enthusiastic? How to Find Your Place in Ocean Action

How To Protect The Ocean

Do you ever feel disconnected from ocean action? You sign the petition, you donate, you share the post, and you still don't feel like you're doing the work. Andrew knows the feeling. Fresh out of his undergrad, he emailed organization after organization offering to help for free, and mostly heard nothing back. In this episode he explains why that happens (it usually comes down to trust and how organizations take on volunteers), and how to get past it. He also retells the story of Lilly Woodbury from yesterday's episode: an environmental studies grad who kept hitting the same wall until she...

info_outline Come for the Impact, Stay for the People: Inside Surfrider Canada show art Come for the Impact, Stay for the People: Inside Surfrider Canada

How To Protect The Ocean

Do you ever feel like ocean action is happening somewhere else? You sign the petition, maybe donate, but you're not really part of the work. Lilly Woodbury knows that feeling, and she found her way in by walking into a Surfrider meeting in Tofino in 2016. Lilly is the campaigns and storytelling director at Surfrider Foundation Canada. In this episode she tells Andrew how a small volunteer chapter helped Tofino and Ucluelet ban plastic straws, bags, cutlery and foam containers, and how Tofino became the first municipality in Canada to ban single-use plastic water bottles. Ten years in, she says...

info_outline One Promise: How a Postcard Changed Behaviour for a Year show art One Promise: How a Postcard Changed Behaviour for a Year

How To Protect The Ocean

Picture a kid at an aquarium in Durban, standing in front of the penguins with a pen and a postcard. She writes one sentence, a promise to change one habit for the ocean, and drops it into a little post box. More than a year later, researchers emailed visitors like her to ask if they'd kept their promise. About half could point to a real change they'd made. This week's episodes covered a lot: marine protected areas nobody can name, a reef that rebuilt itself, and why "fishing is bad" pushes people away. If all of that left you feeling heavy, this episode is for you. Andrew talks about...

info_outline Why Saying Why Saying "Fishing Is Bad" Backfires

How To Protect The Ocean

Picture a woman on a beach before sunrise, sorting the night's catch to feed her kids. Now picture a campaign poster that says "Stop eating fish." That poster just reached her. When conservation messages treat every fisher the same, the people with the smallest footprint stop coming to meetings, stop sharing catch data with scientists, and step out of the conversation entirely. Andrew walks through the Illuminating Hidden Harvests study from the FAO, Duke University and WorldFish, which found that small-scale fisheries land at least 40% of the world's wild catch and employ about 60 million...

info_outline The Reef That Built Itself Back: Coral Recovery After Bleaching show art The Reef That Built Itself Back: Coral Recovery After Bleaching

How To Protect The Ocean

In 2023, a marine heat wave settled over Palmyra Atoll, a remote ring of coral islands about 1,000 miles south of Hawaii, and stayed for more than half a year. Some of the reef’s most vibrant corals turned white. Joe Pollock of The Nature Conservancy, who monitors the reef, admitted he didn’t know if it would come back. Three years later, he put his face in the water and found the reef floor covered in baby corals. In this episode, I break down why Palmyra recovered when so many reefs struggle. It comes down to an intact food web: parrotfish that graze algae off the reef, a bubblegum-pink...

info_outline Why Nobody Can Name a Marine Protected Area show art Why Nobody Can Name a Marine Protected Area

How To Protect The Ocean

Quick test: name one marine protected area in your country. If you came up blank, you're in good company. When an aquarium in Durban, South Africa surveyed its visitors, fewer than one in five could name a single MPA. Andrew Lewin explains why that silence is one of the biggest threats MPAs face, because a place nobody can name is a place nobody defends when it gets weakened, shrunk or quietly reopened. This episode follows South Africa's long road from protecting 0.4% of its mainland ocean to 5.4%, and the communicators who realized the science and consultations were done but the public was...

info_outline Can You Name One Marine Protected Area? Dr. Judy Mann-Lang on MPA Day show art Can You Name One Marine Protected Area? Dr. Judy Mann-Lang on MPA Day

How To Protect The Ocean

Most people can't name a single marine protected area in their own country. Dr. Judy Mann-Lang found that out the hard way when she asked aquarium visitors to name one and they named the aquarium. With South Africa's new MPAs stalled on a minister's desk and oil and gas lobbyists in the room, she realized the ocean needed public support that didn't yet exist. That gap became MPA Day. Judy spent 30 years at uShaka Sea World in Durban, moving from education to CEO to conservation strategist, then five years with the Two Oceans Aquarium, earning a PhD on how effectively aquariums communicate...

info_outline What the Sustainable Seafood Label Can’t See show art What the Sustainable Seafood Label Can’t See

How To Protect The Ocean

You bought the fish with the green check mark. Investigators with The Outlaw Ocean Project then checked the supply chains behind hundreds of seafood companies making sustainability claims, and more than half had a documented crime or concern somewhere upstream. In the final episode of our fish feed series, Andrew Lewin looks at what sustainable seafood labels cover and where their audits stop. Follow fishmeal from Western Sahara to ASC-certified sea bass farms in Türkiye that supply UK supermarkets, and from the Golden Lead plant in Gunjur, The Gambia, to a certified shrimp feed mill in...

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Picture a kid at an aquarium in Durban, standing in front of the penguins with a pen and a postcard. She writes one sentence, a promise to change one habit for the ocean, and drops it into a little post box. More than a year later, researchers emailed visitors like her to ask if they'd kept their promise. About half could point to a real change they'd made.

This week's episodes covered a lot: marine protected areas nobody can name, a reef that rebuilt itself, and why "fishing is bad" pushes people away. If all of that left you feeling heavy, this episode is for you. Andrew talks about eco-anxiety, the freeze that comes from caring about a problem this big, and shares the moment with a family member that pushed him into science communication: most people care, but nobody has handed them a first step that fits their life.

Then he takes you to uShaka Sea World, where educator Gabrielle Harris launched Penguin Promises in 2011 for the African penguin, a species now listed as Critically Endangered. You'll hear why one handwritten promise worked when so many campaigns fade at the exit, how Wild Alliance Africa turns MPA Day on the Aliwal Shoal into a day out with friends, and the one action that ties the whole week together.

Links mentioned in this episode

Takeaways

  • Eco-anxiety can freeze you in place: the problem feels so big that every action seems pointless, so you do nothing and feel worse
  • Most people care about the ocean; they're overwhelmed, and nobody has handed them a first step that fits their life
  • Penguin Promises asked aquarium visitors for one written promise instead of money, and collected more than 10,000 by 2015
  • In a follow-up 12 to 18 months later, about half of respondents could describe a positive change they'd made because of their promise
  • The postcard worked because it was specific, handwritten, small enough to start that day, and tied to something people loved
  • Starting in your own community, and with a group, gives you impact plus people who share your values
  • Your action: write down one specific ocean promise, put it where you'll see it every day, and tell someone

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