How Stereo BRUVs Are Revealing Sharks We Never See and Why It Changes Conservation
How To Protect The Ocean
Stereo BRUVs are transforming how scientists study sharks, yet most people have no idea how much we have been missing, and why that matters for conservation. In this episode, we talk with Dr. Kaylee Schmidt about how underwater camera systems are uncovering sharks in places humans rarely go, changing what we think we know about abundance, behavior, and ecosystem health. Shark research has long depended on divers, fishing surveys, and tagging, but those methods can miss species that avoid people or live deeper than we can reach. Kaylee explains how stereo BRUVs allow researchers to study sharks...
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Marineland Beluga Whales: What Happens Next and Why This Decision Matters for Animal Welfare
How To Protect The Ocean
Marineland Beluga Whales are once again at the center of a national debate, and the outcome could shape the future of captive whales in Canada. Marineland Beluga Whales face uncertain futures as government decisions, export permits, and welfare concerns collide, raising a critical question, are these whales being protected or simply moved out of sight? Beluga whales in captivity reveal a deeper problem that goes beyond one facility. This episode breaks down the latest updates on relocation plans, the role of federal permits, and why animal welfare groups argue that sending belugas to other...
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Will the US move towards Deep-Sea Mining? What’s Really at Stake for the Ocean and Our Future
How To Protect The Ocean
Will the US move towards Deep-Sea Mining? This question is no longer theoretical, it is urgent, political, and deeply consequential for the ocean. As pressure grows to secure critical minerals for batteries and clean energy, the US is facing a decision that could permanently alter the deep ocean. In this episode, we break down what deep-sea mining really means, why it is suddenly back in the spotlight, and why scientists are sounding the alarm about what we stand to lose before we even understand it. Deep sea mining explained through real testimony, expert insight, and clear examples that cut...
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Should bull sharks be culled? The truth behind shark bites and how people can actually stay safe
How To Protect The Ocean
Should bull sharks be culled? Shark bites spark fear, outrage, and calls for action, but the real question is whether killing sharks actually makes people safer. In this episode, we unpack why bull shark incidents happen, what science tells us about risk, and why quick emotional reactions can lead to decisions that do more harm than good. Bull shark attacks are tragic and serious, but one surprising insight from this episode is that bull sharks often bite because they cannot clearly see what is in front of them. Murky water, river runoff, and warm summer conditions dramatically increase...
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Ethical climate storytelling: How honest stories move people from fear to action
How To Protect The Ocean
Ethical climate storytelling asks a hard question that most climate conversations avoid: why do so many people shut down when the science is clear and the stakes are high, and how do we tell stories that actually move people to care and act. In this episode, we explore how ethical climate storytelling can reconnect audiences to climate issues without fear, guilt, or manipulation, and why this approach matters for protecting the ocean and the communities that depend on it. Climate communication strategy often defaults to urgency and catastrophe, but our guest explains why that approach can...
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Who Decides Offshore Drilling, And Why Coastal Communities Pay the Price
How To Protect The Ocean
Who Decides Offshore Drilling is the central question behind decisions that shape coastlines for decades, yet are often made by people who never have to live with the consequences. This episode breaks down how offshore drilling decisions are made far from the coast, why public input often feels symbolic, and how risk quietly shifts from decision-makers to coastal communities. Offshore oil and gas leasing sounds like a technical process, but the impact is deeply human. Through firsthand voices from across the US, this episode reveals a surprising truth: once an area is leased, the future of...
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Cook Inlet Offshore Oil Drilling: Why Alaskans Are Questioning Another Generation of Fossil Fuels
How To Protect The Ocean
Cook Inlet offshore oil drilling is being pushed forward through new federal lease plans, but the people who live closest to these waters are asking a hard question: who really benefits, and who takes the risk. In this episode, we unpack why Cook Inlet matters so deeply for salmon, beluga whales, and coastal communities, and why offshore drilling decisions made far from Alaska can have permanent local consequences. Alaska offshore oil and gas leasing has shaped the state’s economy, politics, and identity for decades, and that history still influences how people talk about jobs, revenue, and...
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Distant water fishing fleets are stripping the ocean bare and the new high seas treaty may be our last chance
How To Protect The Ocean
Distant water fishing fleets are operating just beyond national borders, pulling massive amounts of squid from the ocean with almost no rules, and this episode asks a simple but urgent question: can the new high seas treaty stop ecological collapse before it is too late? Off the coast of Argentina, hundreds of vessels gather in international waters to exploit a regulatory loophole, threatening a keystone species that supports whales, seabirds, and entire food webs. What happens here does not stay here, it affects global fisheries, biodiversity, and the seafood on our plates. High seas squid...
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Hidden costs of seafood: Why “Sustainable” Tuna Is Being Paid for by Taxpayers
How To Protect The Ocean
Hidden costs of seafood are shaping the global tuna industry in ways most people never see, and this episode asks why it matters for the ocean, workers, and anyone who buys seafood. Hidden costs of seafood raise a simple but uncomfortable question: if an industry cannot survive without public money, can it truly be sustainable, and who is paying the price behind the scenes? Tuna fishing subsidies are at the center of this story. Drawing from new peer-reviewed research, this episode breaks down how fuel tax exemptions and government support keep European tuna fleets operating, even when they...
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This ocean place will help protect the planet, but we need to do something to help it
How To Protect The Ocean
This ocean place will help protect the planet but it is disappearing faster than scientists can track it, and that puts climate goals, food security, and coastal protection at risk. In this episode, we explore why seagrass meadows are one of the most powerful and overlooked ecosystems on Earth, and why failing to measure them properly could undermine global conservation and climate efforts. Seagrass conservation and climate solutions are deeply connected, yet monitoring these underwater meadows has been inconsistent and fragmented around the world. We break down why scientists have struggled...
info_outlineAndrew Lewin discusses the potential of replacing plastic with a sustainable substance found in shellfish. Imagine a world where everyday items are eco-friendly and do not harm the environment when disposed of. Join us to explore this innovative solution to plastic pollution and learn how we can all contribute to a healthier ocean.
Link to article: https://www.anthropocenemagazine.org/2024/03/experts-unlock-the-vast-potential-of-seafood-waste-without-the-toxic-after-effects/
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Chitin, a substance found in the shells of seafood shellfish, has emerged as a promising alternative to traditional plastic. Researchers at the University of Connecticut have developed a method to extract chitin from crabs, lobsters, and other crustaceans. Historically, chitin extraction has been challenging due to the use of harmful substances like hydrochloric acid, which can harm the environment. However, the researchers have found a more sustainable approach using non-toxic and biocompatible byproducts from the biodiesel industry.
This breakthrough is significant because chitin-based products could offer a more environmentally friendly solution to plastic pollution. Chitin-based materials have the potential to break down more easily in the environment, reducing the harmful impact on ecosystems. With approximately six million tons of seafood waste generated in the US alone each year, there is a vast potential source of chitin that could be repurposed into sustainable products.
The innovative extraction process involves using organic acids like glycerol, choline chloride, lactic acid, or malic acid to separate chitin from the shellfish material. This method not only makes chitin extraction more efficient but also eliminates the use of corrosive substances that harm the environment. The resulting chitin can be used as a biodegradable replacement for petroleum-based plastics, offering a more sustainable option for various products.
Furthermore, the researchers are exploring additional applications for chitin, such as turning salvaged chitin into nutrient-rich fertilizer for crops. This demonstrates the versatility and potential value of chitin as a sustainable resource. The episode emphasizes the importance of investing in innovative research projects like this to drive positive change and reduce our reliance on fossil fuels.
Researchers have made a groundbreaking discovery in finding a more environmentally friendly way to extract chitin from shellfish, making it a viable option for plastic production. Traditionally, extracting chitin from shellfish has been a challenging and polluting process, involving the use of harmful substances like hydrochloric acid. However, a lab at the University of Connecticut has found a new method that utilizes non-toxic, biocompatible, and cost-effective byproducts of the biodiesel industry, such as choline chloride, glycerol, and organic acids.
This innovative approach involves creating a solvent rich in hydrogen bonds that can break down the original bond in the shellfish material, enabling the separation and release of chitin from other compounds in the shells' complex matrix. This method not only makes the extraction process more efficient but also eliminates the harmful environmental impacts associated with traditional extraction methods.
With this new extraction process, chitin can now be obtained sustainably from the shells of crabs, lobsters, crustaceans, and shrimp. This discovery opens up a world of possibilities for using chitin as a biodegradable replacement for petroleum-based plastics. The potential applications of chitin in plastic production are vast, offering a more sustainable alternative that breaks down harmlessly in the environment.
Furthermore, researchers are exploring additional uses for chitin, such as turning salvaged chitin into a nutrient-rich fertilizer for crops. This demonstrates the versatility and value of chitin as a resource that can be repurposed into valuable products, contributing to a more circular and sustainable economy.
Overall, this discovery represents a significant step towards reducing plastic pollution and transitioning towards more eco-friendly alternatives in plastic production. By investing in innovative research like this, we can pave the way for a more sustainable future and reduce our reliance on fossil fuels for plastic manufacturing.
Governments play a crucial role in driving innovation towards more sustainable practices and reducing reliance on fossil fuels. As discussed in the podcast episode, investing in innovative projects like the use of chitin to create sustainable products presents a significant opportunity for governments to lead the way in environmental conservation. Chitin, extracted from seafood waste, offers a biodegradable alternative to petroleum-based plastics, addressing the pressing issue of plastic pollution.
By investing in research and development of chitin-based products, governments can support the transition towards a more sustainable economy. This investment not only fosters technological advancements but also promotes job creation and economic growth in emerging industries focused on sustainability. Furthermore, the utilization of chitin in various applications, such as packaging and fertilizers, demonstrates the versatility and potential of this natural resource.
Governments should prioritize funding for projects that explore innovative solutions like chitin-based products. By supporting these initiatives, policymakers can demonstrate a commitment to environmental stewardship and climate action. Additionally, investing in sustainable alternatives to fossil fuels aligns with global efforts to mitigate climate change and reduce greenhouse gas emissions.
Overall, government investment in projects utilizing chitin and other sustainable materials is essential for driving the transition towards a more environmentally friendly and sustainable future. By supporting research, development, and implementation of these innovative solutions, governments can play a pivotal role in creating a more sustainable and resilient society for future generations.