LEED is a recognized rating system for environmentally sustainable construction. LEED was developed by the U.S. Green Building Council in 1998 and stands for:

 Leadership in Energy and Environmental Design.

Adhering to LEED standards and 
achieving LEED certification is the industry accepted standard
 that defines a building as being truly “Green”.


How it works
 
For commercial buildings and neighborhoods, to earn LEED certification,
 a project must satisfy all LEED prerequisites and earn
 a minimum 40 points on a 110-point LEED rating system scale.

 Homes must earn a minimum of 45 points on a 136-point scale

Fire protection plays an important role in overall building design and construction.
 Building owners and fire-protection engineers need to be able to
 navigate the complex waters governing code compliance, LEED certification, and system suitability for protected hazards
 

ref:  https://new.usgbc.org/leed

Codes and Standards
 
The three most relevant national codes that relate to green-building fire-protection systems
 are published by the National Fire Protection Association (NFPA):
 NFPA 72, National Fire Alarm Code;
 NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems; and
 NFPA 750, Standard on Water Mist Fire Protection Systems.
While these codes are not mandatory in all jurisdictions,
 they are valuable because they are written to provide maximum safety for property and personnel.
 
NFPA 72. NFPA 72 governs the design, installation, operation, and maintenance of fire-detection and alarm systems.
 It includes requirements for detector spacing, occupant notification, and control-panel functionality.
 
NFPA 2001. NFPA 2001 governs the design, installation, operation, and maintenance of clean-agent systems.
 It includes requirements for determining design concentrations, safe personnel-exposure levels, and system-discharge times.
 The standard also requires that an agent be included on the U.S. Environmental Protection Agency's (EPA's)
 Significant New Alternatives Policy list. 

NFPA 750. NFPA 750 governs water-mist-system classification and includes requirements for water-mist-system design,
 installation, operation, and maintenance.
 
LEED Contributions
 
Fire-suppression systems are referenced only indirectly in LEED-certification documents.
 LEED for New Construction (LEED-NC) V 2.2 Energy & Atmosphere (EA) Credit 4,
 Enhanced Refrigerant Management, and LEED for Existing Buildings (LEED-EB) V 2.0 EA Credit 4,
 Additional Ozone Protection, indicate that credits can be earned with the installation/operation of
 fire-suppression systems that do not contain ozone-depleting substances, such as chlorofluorocarbons (CFCs),
 hydrochlorofluorocarbons (HCFCs), and halons.
 
LEED credits in the Innovation and Design category also can be obtained for fire-suppression systems.
 To earn those points, it is necessary to document and substantiate the innovation and design processes used.
 By outlining modern clean agents' environmental properties (zero ozone-depletion and low to negligible
 global-warming potential), unique benefits (electrically nonconductive),
 and safety characteristics (when used in accordance with EPA guidelines and NFPA 2001),
 a strong case can be made for Innovation and Design points.