How To Protect The Ocean

AI and Water are more connected than most people realize. As artificial intelligence continues to expand, the data centres that power it are using millions of litres of water every day to stay cool. This invisible demand is creating ripple effects across our freshwater systems, and ultimately, our ocean.

In this episode, Andrew Lewin uncovers how AI's explosive growth is reshaping global water use. From groundwater depletion and saltwater intrusion near coastal data hubs to desalination discharges harming marine life, the story goes far beyond servers and code. He breaks down how indirect energy use from AI contributes to ocean warming and acidification, revealing that every digital action has a hidden aquatic cost.

Andrew also explores innovative solutions—from recycled and non-potable cooling systems to closed-loop designs that dramatically reduce water loss. With growing global demand for AI, he highlights the urgent need for transparency, accountability, and smarter policy design to protect both freshwater and marine environments.

Green sea turtle conservation shows us what's possible when people, policy, and passion align. Once nearly wiped out by overharvesting and habitat loss, the green sea turtle has made an inspiring recovery after decades of global protection. In this episode, Andrew Lewin shares a deeply personal story of encountering a turtle nest in Florida with his daughters and reflects on how that moment connects to today's IUCN Red List update.

But while the turtle story offers hope, the latest report warns of darker trends. Arctic seals like the harp, hooded, and bearded seals are now at greater risk as melting sea ice robs them of essential habitat, and 61 percent of the world's bird species are in decline due to deforestation, agriculture, invasive species, and climate change. Andrew breaks down how the balance between success and loss reveals both the fragility of nature and the power of sustained conservation.

This episode isn't just about wildlife; it's about people choosing to act. Andrew explains how individual and collective choices—from voting and policy advocacy to supporting community-based conservation—can determine which species recover and which fade away.

Coral reefs suffering from climate change are no longer a warning for the future, they are happening now. A landmark scientific report reveals that warm-water reefs have already passed a tipping threshold due to global heating, leading to widespread die-offs and threatening the biodiversity and coastal protection they provide. For the millions of people who depend on reefs for food and livelihoods, this is not just an ocean issue but a global crisis.

Global heating is pushing other critical systems — from ice sheets to the Amazon rainforest to the Atlantic Ocean circulation — closer to collapse. The danger is not only ecological, but social and economic, with cascading impacts on communities worldwide. Yet the report also emphasizes the possibility of positive tipping points: rapid shifts in renewable energy, sustainable practices, and collective action that could steer us toward a safer future.

In this episode, Andrew Lewin connects the science to lived experiences as a marine biologist and ocean communicator. He shares what these findings mean for the future of coral reefs, why every fraction of a degree of warming matters, and how each of us can contribute to turning the tide.

Madagascar Environment is at the center of this engaging conversation with Dr. David Ebert, a world-renowned shark scientist and co-host of Beyond Jaws. In this episode, we uncover the unique challenges and opportunities that Madagascar's marine ecosystems face, from biodiversity conservation to the pressures of unsustainable fishing.

Shark science takes on a new dimension as Dr. Ebert shares his experiences conducting fieldwork in Madagascar and how these insights contribute to our global understanding of marine species. This episode brings together conservation, local community needs, and international collaboration to highlight why Madagascar's environment plays a vital role in ocean health worldwide.

Dave's YouTube Channel: https://www.youtube.com/@lostsharkguy

Vaquita stands as one of the rarest marine mammals on Earth, with fewer than 20 left in the wild. In this episode, we explore what the near-extinction of the vaquita teaches us about the future of sharks and why their survival is critical to the health of the ocean.

Sharks play an essential role in keeping marine ecosystems balanced, yet they face many of the same threats that doomed the vaquita: bycatch, overfishing, and weak enforcement. This episode dives into the parallels, the urgency of acting before it is too late, and how the loss of sharks would ripple into every part of our lives, from food security to coastal protection.

Melissa Marquez's article in Forbes: https://www.forbes.com/sites/melissacristinamarquez/2025/09/30/what-the-vaquitas-fate-warns-about-sharks/

Marineland beluga whales remain at the center of a heated national debate after Canada's Department of Fisheries and Oceans denied the park's request to export 30 whales to a marine theme park in China. In this episode, Andrew Lewin explores the unfolding crisis, from the park's claims of financial hardship to the legal, ethical, and political questions surrounding the whales' future.

Marineland beluga whales could face an uncertain fate as the park warns it may not be able to care for them, raising the specter of euthanasia. Andrew breaks down government responses, animal welfare group actions, and emerging relocation proposals including the Nova Scotia Whale Sanctuary Project and Inuit-led plans. This episode unpacks the clash between law, profit, and responsibility while asking the essential question: who should ensure the whales' welfare?

Shark conservation: All The Sharks brings you into the water with filmmakers and scientists, exploring how camera choices, site selection, and safety shape close encounters with tiger sharks, hammerheads, white sharks, and whale sharks. You will hear candid stories about reading shark behavior, managing lighting on fast passes from silky sharks, and turning footage into conservation wins that help real populations.

Underwater cinematography: From South Africa to the Bahamas and Bimini, we compare scuba and freedive tactics, frame sharks without stressing them, and translate field lessons into science communication that actually moves people. The team breaks down filming ethics, bycatch and fishing pressure, and what Shark Week gets right and wrong, all to help the audience understand sharks and support smarter protection.

Shark Docs: https://www.sharkdocs.org/ Chris Malinowski's Website: https://www.chrismalinowski.org/ Brendan Talwar's Website: https://talwarbrendan.wixsite.com/btalwar

Marineland Beluga exports have been denied by Canada's Department of Fisheries and Oceans, igniting national debate over animal welfare, legality, and ethics. In this episode, Andrew Lewin breaks down what the 2019 law banning cetacean captivity means, why DFO refused Marineland's permit to sell 30 belugas to China, and what options exist for the facility and the animals now caught in limbo.

Marineland Beluga care has become an urgent issue as the park claims it cannot afford to maintain the whales, warning of potential euthanasia without government help. Andrew explores whether Marineland should be required to care for the animals it profited from, or whether public intervention is necessary to ensure the whales' welfare. This episode blends law, compassion, and marine science to uncover what ethical responsibility looks like when conservation meets crisis.

Shark Docs: https://www.sharkdocs.org/ Chris Malinowski's Website: https://www.chrismalinowski.org/ Brendan Talwar's Website: https://talwarbrendan.wixsite.com/btalwar

Sustainability business: In this episode of How to Protect the Ocean, Andrew Lewin talks with Lee Stewart about how businesses can make sustainability a practical, measurable part of their operations. They explore how carbon tracking, waste reduction, packaging design, and supply chain improvements can build resilience while cutting costs.

Ocean literacy: Lee shares experiences from Australia, Tonga, and New Zealand that show how business practices directly connect to the ocean's health. They also discuss the lessons learned from an international shipping case study in Malaysia that reveals how logistics and sustainability intersect.

ESG reporting: The conversation focuses on keeping sustainability simple—using dashboards, certifications, and team culture to drive consistent progress. Whether you're leading a company or just beginning your sustainability journey, this episode offers the clarity and motivation to start today.

Mentors: climate change is hopeless—at least, that's the message many young scientists are hearing from the people they were told to admire. But what if giving up isn't the only option? In this episode, I respond to a heartfelt email from a marine science student who refuses to stay silent, even when senior scientists tell her that solutions to climate change are naive, misguided, or politically inconvenient.

Mentors: climate change is hopeless may be the mantra of a tired system, but this generation of scientists has grown up under the weight of ecological crisis—and they're ready to do something about it. I share concrete advice for early-career changemakers who want to be bold, build community, speak truth to power, and help people understand real climate solutions despite institutional apathy. If you're frustrated, fired up, and looking for a way forward, this one's for you.