this post was submitted on 28 Oct 2024
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No Stupid Questions

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I'm sure there's a perfectly good reason why we haven't done this yet. Too expensive? Would launching it into the sun cause the smoke (if there is even smoke in space) to find its way back to Earth, therefore polluting the air?

This is an incredibly stupid question.

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[–] [email protected] 86 points 2 weeks ago (5 children)

First - The major problem with trash isn't the getting rid of it part, it's the gathering it up part. If we could do that, it wouldn't be a problem.

Second - Launching things on a rocket is kinda dangerous still, there's a risk the rocket will blow up on launch, scattering the material across a large area. This is a big reason why things like nuclear waste is a problem to transport in general, much less flying it somewhere.

Third - Launching something into the SUN is really hard, it would be easier to send something out of the solar system than back into the sun.
https://van.physics.illinois.edu/ask/listing/43694

Fourth - Someday we'll figure out a use for everything, wall-e style. If we dump everything into a centralized landfill, we'll eventually be able to collect/sort/recycle it into something useful. Throwing it into the sun (or off-planet) would make that stuff unavailable forever.

Finally - Throwing stuff into the sun would actually get rid of it forever, yes. It would be completely decomposed into the atoms it was made from. If we threw ENOUGH heavy metals into the sun, we could actually poison the sun making it not able to fuse hydrogen anymore, but even if we threw the entire earth into the sun, it wouldn't be enough.

[–] [email protected] 2 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Finally - Throwing stuff into the sun would actually get rid of it forever, yes. It would be completely decomposed into the atoms it was made from. If we threw ENOUGH heavy metals into the sun, we could actually poison the sun making it not able to fuse hydrogen anymore, but even if we threw the entire earth into the sun, it wouldn't be enough.

How can earth have enough heavy metals for that?

:edit english is hard

[–] [email protected] 5 points 2 weeks ago (1 children)

You misread, I specifically said that Earth doesn't have enough mass for that.

[–] [email protected] 4 points 2 weeks ago
[–] [email protected] 21 points 2 weeks ago

What you also forgot to mention is just how much trash we generate… that would be a massive limiting factor as well. It’s hard enough to get a few tons of stuff on a rocket going to space. I couldn’t get an exact figure on a quick google search but humanity generates somewhere on the order of tens of thousands of metric tons of trash per day

[–] [email protected] 6 points 2 weeks ago

Also, sending things to space is way, way, way worse for our planet per kg of stuff, because of the fuel and parts that it takes

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

First - The major problem with trash isn't the getting rid of it part, it's the gathering it up part. If we could do that, it wouldn't be a problem.

The frustrating part is that this could be the easiest to solve. Require boats to weigh in and out, and account for everything on board. Minus fuel, plus fish, but those old, broken nets and plastic waste need to return to port to be properly disposed of. Throwing even a soda can overboard should result in significant fines.

[–] [email protected] 7 points 2 weeks ago (2 children)

A lot of ocean trash comes by river from poor countries.

[–] [email protected] 5 points 2 weeks ago

Ocean trash comes from plastic manufacturers. Responsible wealthy countries ship their dutiful recyclables to garbage pits in poor countries.

Most poor people don't even have the education or resources to polymerize crude into poly-vinyl, it's harder than you'd think.

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

A lot of ocean trash comes by river from poor countries.

Also by river from wealthy countries, and has done so for centuries.

The scope of the task of removing it is far bigger than OP can imagine.

[–] [email protected] 5 points 2 weeks ago (1 children)

https://ourworldindata.org/ocean-plastics

Most of the plastic in our oceans comes from land-based sources: by weight, 70% to 80% is plastic that is transported from land to the sea via rivers or coastlines

Most of the world’s largest emitting rivers are in Asia, with some also in East Africa and the Caribbean

Seven of the top ten rivers are in the Philippines. Two are in India, and one in Malaysia. The Pasig River in the Philippines alone accounts for 6.4% of global river plastics

Rich countries tend to have better functioning waste collection and disposal services.

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

Rich countries tend to have better functioning waste collection and disposal services.

These days it is a lot better, but it wasn't always that way.

[–] [email protected] 2 points 2 weeks ago

It has been that way for many decades.

[–] [email protected] 14 points 2 weeks ago (1 children)

How do you weigh a boat precisely enough to detect a soda can missing?

[–] [email protected] 6 points 2 weeks ago (1 children)

Fair question. You're not going to catch a soda can, but a boat should be a closed system. The thresholds should be as low as is practically enforceable.

[–] [email protected] 3 points 2 weeks ago (1 children)

What about fishing boats? They're coming back with a ton of extra weight in fish.

[–] [email protected] 8 points 2 weeks ago

Containers of fish are extremely easy to weigh.

[–] [email protected] 25 points 2 weeks ago

Another problem is that each item we throw into the Sun is comprised of atoms. We would literally be taking the atoms that makes up earth and throwing them away to a place where the atoms would no longer be part of earth. While a McDonalds cup isn’t going to catastrophically change earth, do it enough times and we could see a problem.