national green building standard - SERP Analysis

https://www.ngbs.com/

https://www.nahb.org/advocacy/industry-issues/sustainability-and-green-building/national-green-building-standard-certification

https://www.nahb.org/advocacy/industry-issues/sustainability-and-green-building/icc-700-national-green-building-standard

https://greencommunities.com/national-green-building-standard/

https://www.homeinnovation.com/services/national_standards/national_green_building_standard

https://codes.iccsafe.org/content/ICC7002020P1

https://www.sips.org/documents/NAHB-National-Green-Building-Standard-2020.pdf