Unveiling the Hidden: Advancements in Marine Litter Detection with Manuel Arias, Ep 14

Dive into the depths of marine litter detection with Manuel Arias, an earth observation
scientist at the Instituto de Ciencias del Mar in Spain in this episode of the Healthy
Seas Podcast.
As specialists in cleaning the seas and combating marine pollution, the Healthy Seas
Foundation brings you an insightful conversation with Arias, who delves into the innovative technologies driving the detection and categorization of marine debris.
From optical sensors on satellites to drones, explore the pros and cons of different remote sensing technologies and their crucial role in identifying and measuring marine litter.
Arias discusses the significance of detecting and quantifying marine litter, particularly amidst evolving policy changes and legislation aimed at mitigating its impact. Gain insight into the challenges of detecting floating litter versus sunken debris, including the persistent threat of ghost gear and ghost nets. Discover the environmental ramifications of plastics in the ocean, from their ability to absorb toxic substances to the formation and detection of microplastics and nanoplastics.
This episode also addresses the spill of microbeads in Spain, recycling options, consumption reduction strategies, and collaboration with the fishing industry.
Join us as we unravel the complexities of marine pollution and emphasize the importance of legislative measures in safeguarding our oceans!
Tune in to this enlightening discussion, packed with topics essential to the Healthy Seas Foundation's ocean conservation and awareness mission. Don't miss out on this opportunity to uncover what lies beneath the surface and join us in our efforts to protect and clean the seas.
Some interesting links on the topics Manuel Arias discusses.
- IOOCCG Taskforce
- GEO BLUE Planet e IMDOS
- IMDOS
- Ocean Decade Conference
- Enzymes to degrade plastics
- IEO Drones
- The problem with the idea of biodegradable plastic
- One of their collaborative works in the field
- Plastic pellet spill in Spain

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Healthy Seas is a marine conservation organization whose mission is to tackle the ghost fishing phenomenon and turn this waste into an opportunity for a more circular economy. They do this through clean-ups, prevention, education, and working with partners who recycle and repurpose this material. The podcast is hosted by Crystal DiMiceli.