An innovation of IFC, a member of the World Bank Group, EDGE empowers emerging markets to scale up resource-efficient buildings in a fast, easy, and affordable way.

EDGE enables developers and builders to quickly identify the most cost-effective ways to reduce energy use, water use and embodied energy in materials. The strategies integrated into the project design are verified by an EDGE Auditor and certified by GBCI.

GBCI administers EDGE certification in most countries around the world. View the full list of countries where GBCI offers EDGE certification.

How EDGE works

EDGE software

The EDGE software application, available for free at, allows you to quickly determine the optimum combination of building design strategies for the best return on investment.

Global standard

EDGE requires that a building achieve a minimum projected reduction of 20% in energy and water use, and embodied energy in materials as benchmarked against a standard building.

Certification system

Certification by GBCI validates your achievements for a modest cost for new construction, existing and renovations of homes, offices, hospitality, retail, light industry, warehouses, hospitals, and educational facilities.


Investment planning

EDGE is a free and easy to use investment planning tool that quickly calculates ROI for your green building strategies

Project savings

Use EDGE to quickly project and report your energy, water and GHG emission savings

Powered by data

EDGE’s advanced database understands your local climatic conditions and building usage


All efficiency simulations are built into the platform and certification can be achieved through existing documentation

International recognition

EDGE certification is globally recognized and backed by the World Bank Group

Service excellence

GBCI can quickly certify your project at a modest cost

Certify your projects with EDGE and become part of the growing movement that is trending worldwide.

Energy Savings


Water Savings


Embodied Energy in Material Savings


CO2 Savings


Floor Space Certified


Green Business Certification Inc.

Green Business Certification Inc. (GBCI) is the premier organization independently recognizing excellence in green business industry performance and practice globally. Through rigorous certification and credentialing standards, GBCI drives adoption of green building and business practices. GBCI is the only certification and credentialing body within the green business and sustainability industry to exclusively administer project certifications and professional credentials of LEED, PEER, WELL, SITES, Parksmart and TRUE.