this post was submitted on 21 Sep 2024
368 points (98.7% liked)

science

14363 readers
879 users here now

just science related topics. please contribute

note: clickbait sources/headlines aren't liked generally. I've posted crap sources and later deleted or edit to improve after complaints. whoops, sry

Rule 1) Be kind.

lemmy.world rules: https://mastodon.world/about

I don't screen everything, lrn2scroll

founded 1 year ago
MODERATORS
top 50 comments
sorted by: hot top controversial new old
[–] [email protected] 31 points 10 hours ago

A race to see what will kill the most of us first. The plastic or anthropogenic climate change.

[–] [email protected] 21 points 10 hours ago (1 children)

Plastic-coated fertilisers?

Rally?

WTF do we need plastic-coated fertilisers for?

[–] [email protected] 20 points 10 hours ago (1 children)

to grow plastic infused plants, of course

[–] [email protected] 7 points 8 hours ago

Now sit down and eat your plasti-corn. There are children in other countries that have to eat normal corn.

[–] [email protected] 56 points 15 hours ago (3 children)

Studies have identified some of the main sources of microplastics as:

  • plastic-coated fertilisers
  • plastic film used as mulch in agriculture

WTF?

  • plastics recycling.

Uuuuh…

[–] [email protected] 1 points 28 minutes ago

Plastic was never meant to be recycled.

[–] [email protected] 19 points 12 hours ago (2 children)
  • plastic film used as mulch in agriculture

Wtf. Where and why?!

[–] [email protected] 41 points 12 hours ago* (last edited 12 hours ago) (2 children)

It's the black plastic bag material that people used to cover their soil and poke holes through for their crops.

I never thought it was called plastic mulch though.

[–] [email protected] 10 points 10 hours ago (1 children)

It serves the same purpose as actual mulch, which is blocking out weeds

[–] [email protected] 1 points 4 hours ago

Yes, but mulch has the meaning of ground up wood, so I think most people would think it was ground up plastics.

[–] [email protected] 5 points 11 hours ago

Or plastic greenhouses

[–] [email protected] 7 points 15 hours ago
[–] [email protected] 41 points 17 hours ago (1 children)

The UN's Global Plastics Treaty is certainly a step in the right direction. I'm not sure what can actually be done about the problem, especially with how pervasive synthetic materials are throughout the world. And what is medicine supposed to do? Plastics revolutionized sanitation, particularly in the medical field. Very complicated issue to resolve.

[–] [email protected] 29 points 15 hours ago (2 children)

There are certain industries, like medical, that would probably be one of the last, if ever, to do away with plastic, simply due to the upsides. The only option we have as a species is to create a truly biodegradable, non-toxic, easily obtainable and cheap to produce alternative.

Haha who am I kidding, we are fucked, plastic manufacturers go brrrrrrrrr.

[–] [email protected] 4 points 7 hours ago

Medical and electrical insulation. Two places where plastics are better than the alternatives.

[–] [email protected] 8 points 10 hours ago

a truly biodegradable, non-toxic, easily obtainable and cheap to produce alternative

Fungi.

[–] [email protected] 53 points 18 hours ago (2 children)

Maybe global warming will melt all the microplastics into one big macroplastic and that problem will be 100% solved.

[–] [email protected] 3 points 10 hours ago

Do our testicles all melt together?

[–] [email protected] 8 points 13 hours ago

Yummm, fruity pebbles

[–] [email protected] 73 points 19 hours ago (1 children)

Or several trillion very small problems.

[–] [email protected] 21 points 19 hours ago (2 children)

We're all trillionaires! 🎉

[–] [email protected] 2 points 12 hours ago

Found the crab 🦀

load more comments (1 replies)
[–] [email protected] 48 points 19 hours ago* (last edited 19 hours ago) (1 children)

Biggest sources:

  • 7.6 Mt from macro plastics breaking down
  • 1.3 Mt from paint
  • 1.0 Mt from tyres

10-40 Mt released into environment/year, and increasing.

[–] [email protected] 11 points 15 hours ago (1 children)

I'm kinda surprised that more comes from paint than tires.

[–] [email protected] 2 points 11 hours ago (1 children)

I think it depends on measure, if im not mistaken, by weight arohnd 50% of microplastics are tire dust.

[–] [email protected] 2 points 10 hours ago

Also depends on where you’re measuring. They make up a ton of the plastics in stormwater runoff for example. Sometimes up to 95% from what I found. And that stormwater often ends up in our drinking water.

[–] [email protected] 43 points 19 hours ago (1 children)

Over 80% of microolastic production coming from macro plastic breakdown feels pretty bleak.

[–] [email protected] 34 points 18 hours ago (1 children)

Plastics industry: "See?! We told you plastic decomposes and doesn't just stay in landfills forever. Happy now?"

[–] [email protected] 9 points 14 hours ago

I am not happy now.

[–] [email protected] 5 points 13 hours ago

And yet doctors insist I'm not getting enough fiber!

[–] [email protected] 24 points 19 hours ago (1 children)

The article was very well written. Unfortunately, 90% of the people I’d forward it to would be TLDR…

[–] [email protected] 17 points 19 hours ago

The 7000 papers were really well written. Unfortunately, 90% of the people I’d forward them to would be article…

[–] [email protected] 4 points 14 hours ago (4 children)

Out of curiosotiy where would something like 3D printing be placed?

[–] [email protected] 3 points 10 hours ago (1 children)

Not significantly contributing to the global problem, but you might inhale some. Don’t sand your prints for sure.

[–] [email protected] 1 points 6 hours ago

Or wear a respirator while you sand...

[–] [email protected] 11 points 14 hours ago (1 children)

While a problem yes, miniscule compared to industrial waste

[–] [email protected] 3 points 13 hours ago (1 children)

I think they meant personally, not global.

[–] [email protected] 1 points 8 hours ago

well, dont huff your prints or put them in your mouth or other body orifices. Pretty simple

[–] [email protected] 3 points 12 hours ago (2 children)

PLA I think just breaks down into lactic acid eventually, but the ABS probably isnt so good

[–] [email protected] 4 points 10 hours ago

It only breaks down under industrial environments. It's not as "biodegradable" as claimed. I use PETG because I can recycle it with normal plastics recycling.

[–] [email protected] 1 points 10 hours ago

Thanks this makese.feel.better about pla printing

load more comments (1 replies)
load more comments
view more: next ›