NSF recently accepted a claim by Celceram that their fly ash product - widely used in carpets is post consumer recycled content.

The intent of LEED-ND’s Location and Transportation Credit “Access to Quality Transit” (I will call it "AQT" for short - this is formerly SLL Credit 3: “Reduced Automobile Dependence”) is to “encou

The USGBC should use current, local and accurate radon maps in determining areas of high radon risk.

I am very happy to see these changes. They are long overdue.

Hi I would like to do the energy modelling using option2 to achieve maximum points. In this case, base case will be modelled with Packaged Terminal Air conditioner (As the residential building).

Does the LEED AGMBC require to have totally separate building systems so that the energy-related points can be clearly defined? My project has centralised Energy center which will be supplying chi

Thanks so much for coming up with a simplified and reasonable way of documenting ongoing education!

Hi James with regards to Licensed Professional Exemption please find the details at the bottom of the page in the following link https://www.leedonline.com/irj/servlet/prt/portal/prtroot/docs/gui

A recently certified EBOM project will likely need to be recertified under LEED v4. How are they going to treat changes and or new credits during the performance period.

LEEDuser now has a dedicated set of forums, including sample documents, for Project Information forms.