this post was submitted on 17 Aug 2025
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[–] Appleseuss@lemmy.world 20 points 1 month ago* (last edited 1 month ago) (1 children)

Mr. Trash Wheel has done great things for the Baltimore harbor. What happens is the Jones Falls River gets a lot of runoff during rainstorms, and trash washes into it, which ends up to the harbor. Mr. Trash Wheel sits at the mouth of the river, where it meets the harbor and has collected over 1500 tons of trash since it was installed back in 2014.

Trash wheels aren't a solution to the problem, but they are a useful tool in helping to fight climate change and protecting local ecosystems.

[–] DreamlandLividity@lemmy.world 3 points 1 month ago (2 children)

fight climate change

What does ocean plastic have to do with climate change? Am I missing something?

[–] 9blb@feddit.org 13 points 1 month ago* (last edited 1 month ago)

Apparently it does:

Marine organisms, such as plankton, fish, and larger mammals, are integral to the ocean’s carbon cycle. These organisms help sequester CO2 through a process known as the biological carbon pump, where CO2 absorbed during photosynthesis is transported to deeper waters when these organisms die and sink. However, when these organisms ingest microplastics, their ability to perform this function is compromised, reducing the ocean’s capacity to absorb CO2.

Moreover, plastics can alter the chemical composition of seawater, increasing its acidity and affecting marine ecosystems like coral reefs and shellfish, which are crucial for carbon sequestration. As these ecosystems degrade, the ocean’s ability to mitigate climate change diminishes.

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