Shipwrecks on the Ocean Floor Pose Major Environmental Threats

Deep beneath the waves, the remnants of over 8,500 shipwrecks from the world wars present an imminent environmental threat. Containing an estimated 6 billion gallons of oil, along with toxic substances like munitions and heavy metals, these decaying relics are ticking time bombs ready to compromise marine ecosystems.

These shipwrecks, hidden from sight, have been deteriorating for decades, heightening the risk of uncontrolled leaks. This danger is intensified by Climate change, as rising sea temperatures, ocean acidification, and stronger storms speed up the degradation process of these submerged vessels.

The daunting challenge doesn’t end with just the world war shipwrecks. Numerous other maritime casualties contribute to this looming disaster. The global cost to address these underwater hazards is projected at an astronomical $340 billion. Yet, the question remains: How many of these wrecks truly pose a threat to our safety and environment, and why hasn’t more been done to mitigate these risks?

Efforts to map these threats have progressed, yet the vastness of the oceans hinders our ability to pinpoint and evaluate each wreck accurately. Only 23% of our ocean floors are well-mapped, which barely scratches the surface needed to identify and assess these dangers effectively. High-resolution mapping in coastal areas offers better insight, but many wrecks reside in poorly charted deeper waters, complicating identification efforts.

Historical archives provide some clues about ship structures, cargos, and last known positions before sinking. However, the exact locations often remain imprecise, posing significant challenges to survey and risk assessment efforts. Misplaced wreck attributions further complicate the mapping, with many located inaccurately on existing charts.

As industries expand into marine environments with activities like offshore wind farms and intensive fishing, the risk of disturbing these wrecks escalates, potentially triggering ecological disasters. Addressing this issue requires a multidisciplinary approach involving historians, engineers, biologists, and many other experts.

Global recognition of the need to tackle this issue is growing, but solving it requires overcoming complex legal, technical, and financial challenges. International cooperation and robust funding mechanisms are crucial to advance survey and remediation efforts. With technological advances such as Autonomous Underwater Vehicles (AUVs), which provide detailed scans of the ocean floor, we stand a chance to better understand and perhaps neutralize these threats. However, a concerted effort is needed now to prevent these relics of the past from causing future calamities.

Article information adapted from The Conversation: Polluting shipwrecks are the ticking time-bomb at the bottom of our oceans, written by Fraser Sturt, Professor of Archaeology, University of Southampton. This article is provided under a Creative Commons license.

Related Content:

• Companies are Sinking Plant Waste into the Ocean to Combat Climate Change
• 10 Daily Habits That are Killing the Environment
• Tips for Making Your Holidays a Little More Environmentally-Friendly
• Fentanyl Found in Dolphins Raises Environmental Concerns

Easy Ways to Help the Planet:

• Eat Less Meat: Download Food Monster, the largest plant-based Recipe app on the App Store, to help reduce your environmental footprint, save animals and get healthy. You can also buy a hard or soft copy of our favorite vegan cookbooks.
• Adopt-a-Pet: Visit WildWatchers, a watchdog platform specifically designed for animal, earth, and wildlife warriors to actively give back, rescue, and protect animals and the planet.
• Reduce Your Fast Fashion Footprint: Stand against fast fashion Pollution by supporting circular brands like Tiny Rescue, which create cause-based collections using recycled, zero-waste clothing designed to be returned and remade, ensuring it never ends up in a landfill.
• Shop Sustainably for Your Home: Visit SustaiNOBLE.org, an eco-friendly and ethically sourced home decor store that will empower your home with luxurious fair-trade, and sustainable products made by global artisans.
• Support Independent Media: Being publicly funded gives us a greater chance to continue providing you with high-quality content. Please consider supporting us by donating!
• Sign a Petition: Your voice matters! Help turn petitions into victories by signing the latest list of must-sign petitions to help people, animals, and the planet.
• Stay Informed: Keep up with the latest news and important stories involving animals, the environment, sustainable living, food, health, and human interest topics by subscribing to our newsletter!
• Do What You Can: Reduce waste, plant trees, eat local, travel responsibly, reuse stuff, say no to single-use plastics, recycle, vote smart, switch to cold water laundry, divest from fossil fuels, save water, shop wisely, Donate if you can, grow your food, volunteer, conserve energy, compost, and don’t forget about the microplastics and microbeads lurking in common household and personal care products!