this post was submitted on 16 Oct 2026
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UK Nature and Environment

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IT was less than a hundred years ago that people began releasing helium balloons as a means to celebrate. Since then, balloon releases have expanded to nearly every special occasion. From weddings to memorials, graduations to gender reveals, festivals to New Year’s Eve celebrations, each year sees millions of balloons released.

Helium balloons can float in the air for days and can land anywhere – land, trees, or water - littering the environment and becoming a danger to wildlife, farmed animals, and companion animals that may come across them and mistake them for something edible.

Studies show that more than 265 species of birds, fish, mammals, and marine turtles, including endangered and threatened species, have ingested or become entangled in marine debris, largely from balloon litter.

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[–] tetris11@feddit.uk 0 points 1 day ago (1 children)

probably a stupid question but is metal bad for the sea?

[–] Denjin@feddit.uk 3 points 1 day ago (2 children)

It's non-biodegradable litter so yes?

Mild steel in seawater is aggressively biodegradable. Probably more so than a lot of biodegradable bioplastics.

[–] tetris11@feddit.uk 1 points 1 day ago

I was envisioning more that it wouldn't degrade, and was just an inert frame that coral could nucleate off.

But metal corrodes, which I suppose could be toxic indeed