> Is there any research being done into alternatives that will scale to what we use concrete for? Flyash, and other pozzolanic industrial wastes. There are lit

> Is there any research being done into alternatives that will scale to what we use concrete for? Flyash, and other pozzolanic industrial wastes. There are literally mountains of it. Problem? There is no "standard flyash," every power station uses a bit different fuel. Same for industrial wastes. Second option are natural geopolymers, but they are not that common, and coincidentally, most of countries with a lot of geopolymer deposits are rather rich, and that undercuts economic incentives.