I find it amazing that in some places in the world, there's too much sand, and we're planting new ecosystems to control it. And in other places in the world, t

I find it amazing that in some places in the world, there's too much sand, and we're planting new ecosystems to control it. And in other places in the world, there's not enough sand, and we're stripping it away for concrete and killing the ecosystems that depended on it in the process. I know the two sands might be different, but is there a reason we're not developing concretes that work with the invasive sands?