Concrete is everywhere, right? We walk on it, drive on it, build our houses on it. But producing the ubiquitous construction material makes up a significant portion of global greenhouse gases that are ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a mound of pea gravel - Suebsiri/Getty Images Mixing pea gravel with concrete is not only possible, it's ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Concrete is everywhere, right? We ...