New research reveals microplastics can reduce plants' photosynthetic ability by 7-12% on average, with variations across terrestrial crops (6-18%), marine plants (2-12%), and freshwater algae (4-14%).

This pollution could cause 4-13.5% yield loss in staple crops over 25 years and decrease seafood production by up to 7% as aquatic ecosystems suffer.

Beyond threatening food security, reduced photosynthesis hampers carbon sequestration efforts critical for climate change.

Researchers estimate that reducing environmental microplastics by just 13% could mitigate photosynthesis loss by 30%.

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[–] Venator@lemmy.nz 2 points 2 weeks ago* (last edited 2 weeks ago)

You don't have to explain the process to observe the difference. But it could be useful to understand the process to help figure out ways to mitigate it. I think we'll have to wait for future research to find that out though.