Can steel count toward the regional materials category? Is it even possible, since the location of where the actual ore was extracted cannot in most cases be traced back to its origin. Or does th

Does anyone have an offline LEED HC Materials Calculator they could share or a link to where I could find one?

Does the fabricator / manufacturer of a product that incorporates wood components have to be FSC certified in order for the wood components to count toward the certified wood portion of the MRc3 cr

I am co-chairing a Greenbuild presentation, "LEED for Healthcare: Lessons Learned from the First 3 Years".

Is it possible to get FSC particleboard. I have a Flakeboard product, and the manufacturer indicates that it is made from 100% recycled or recovered materials.

We cannot count our concrete towards the recycled content value in our project as the mercury content of the flyash is too high (coal fired power plants here are mandated to capture mercury in thei

So the first AND in this credits as follows: Wall, ceiling and flooring systems and finishes, composite wood, agrifiber and fiberglass products, both exterior and interior adhesives, sealants, coa

Why does LEED promote putting FlyAsh with high mercury content into landfills, where it may contaminate groundwater, and NOT into Concrete, where it is non biologically available?

If one sustainably sourced material category does not reach 10 percentage points, can the deficit be made up by another category if it is in excess of 10%?