As a method of crowdsourced litter cleanup, and a sequestering of the plastic, it may be a help?
I’m not convinced that it has any value as a building material, other than voids it makes conserving the materials it is set into. Our transfer station has some
concrete blocks for building bunkers for bulk materials and for traffic control. A few are “trashcrete” which has ground plastic aggregate. They are flaking apart, since the plastic doesn’t add anything to the cohesion of the concrete.
So now there’s all these little bits loose on the ground.
The ecobrick method is calling for cutting things up small
enough to fit in the mouth of a bottle. Now when that bottle breaks, the bits are all over. And what of identification of plastic type for recycling?
I think the litter cleanup, as an education/publicity campaign to alert the public of how bad the problem is, and that the ONLY SOLUTION is to reduce or quit polluting with plastics is better than all the dreams of “using” the waste for something like these “bricks”.
Enacting a plastic bag or
water bottle ban is WAY better than NEEDING litter cleanups, OR “creating” something with the garbage. I think these projects have a perverse enabling effect... “see what they built! It’s so nice to have something to do with all our plastic crap! *pats on backs* yay! We did it!!”