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Car tires biggest likely source of microplastics in California coastal waters

latimes.com

31–40 of 232 posts

Re: Car tires biggest likely source of microplastics in California coastal waters

#31

Earlier quoted context omitted.

From the article: >Rubber is also considered plastic, both natural (isoprene) and synthetic (styrene butadiene).

Definitely not what comes to mind when I think of plastics. I usually hear Bakelite quoted as the first invented plastic.

Think "polymer" or "synthetic polymer" since these will be the things bacteria and other parts of nature have not evolved around.

https://en.wikipedia.org/wiki/Polymer#Common_examples

Re: Car tires biggest likely source of microplastics in California coastal waters

#32

On the front page of HN at the exact same time, we have two different articles on this topic. One says that most ocean plastic comes from ships, the other says car tires. Clearly they're both accurate.

.. the other says plastics in California coastal waters. Sounds similar, but not the same thing and they can both be accurate at the same time.

Re: Car tires biggest likely source of microplastics in California coastal waters

#33

On the front page of HN at the exact same time, we have two different articles on this topic. One says that most ocean plastic comes from ships, the other says car tires. Clearly they're both accurate.

Once is in CA coastal waters, the other one is in oceans. They can both be right.

Re: Car tires biggest likely source of microplastics in California coastal waters

#34
post #27

in atlanta soil near roads tends to have a lot of lead. A daycare near me had to shutdown their playground/garden because it was testing really high in lead.

Why does it have lead?

Probably from tetraethyl lead, which wasn’t banned in common fuels until the 70’s in the US.

That said, there are enough other sources of lead (e.g. old paint) that this isn’t guaranteed to be right.

Re: Car tires biggest likely source of microplastics in California coastal waters

#36
post #22

Earlier quoted context omitted.

This hasn't been the case since the early 80s. Edit: Yes, you can probably find some no-name pads with asbestos if you look hard. Nobody is selling them knowingly in the US or EU. There are definitively some pads/shoes from the far east that contain asbestos. They don't get purchased by the auto parts stores and big parts suppliers that supply the shops that change most of the countries brakes. They get sold to impor…

Ford was shipping cars with asbestos brakes in 1993. Asbestos brakes are still readily available on the aftermarket. Brake pads since 2015 sold in California and Washington must have less than 0.1% asbestos by weight (it's unclear to me if that's asbestos alone, or asbestos and other heavy metals like cadmium or mercury). Since the ban was put into place in 2015, you can reasonably infer a) that there were brake pads…

the subway brakes in washington dc are abestos brakes. you can smell them quite strongly.

Re: Car tires biggest likely source of microplastics in California coastal waters

#37
post #30

Earlier quoted context omitted.

(DISCLAIMER: I am hoping we can discuss this from a purely intellectual perspective and not bring ideology into it) I have always postulated that the increase of estrogenic compounds may have some impact on what seems to be an utter surge of reported cases of gender dysphoria amongst others other disorders that typically arise when you mess with hormonal/endocrine systems. Has there been any scientific research done…

My "intellectual perspective" on this theory that you just made up is that you just made it up. Have a nice day.

Well yes. It is my theory. I did make it up, formulating my own hypothesis. What is your point?

Re: Car tires biggest likely source of microplastics in California coastal waters

#38

Imagine all the problems that would be solved if someone invented a car with metal wheels, maybe one that can hold hundreds of people, goes really fast, is quiet and efficient....

...and can only go to select locations at certain times that may or may not align with your final destination or schedule.

Re: Car tires biggest likely source of microplastics in California coastal waters

#39

Imagine all the problems that would be solved if someone invented a car with metal wheels, maybe one that can hold hundreds of people, goes really fast, is quiet and efficient....

"quiet and efficient" definitely does not exist in California currently

Re: Car tires biggest likely source of microplastics in California coastal waters

#40
post #38

Imagine all the problems that would be solved if someone invented a car with metal wheels, maybe one that can hold hundreds of people, goes really fast, is quiet and efficient....

...and can only go to select locations at certain times that may or may not align with your final destination or schedule.

the last mile problem can be solved in a million different ways: bikes, taxis, uber, walking, buses...

Eliminating car culture is non optional if we want to save the planet.

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