LEED Study Guide Quiz

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1/66 Questions

Green building emphasizes using what type of design process?
- Linear
- Multistage
- Integrative
- Tiered

About This Quiz

This LEED Study Guide Quiz assesses knowledge on green building design, emphasizing integrative processes, energy efficiency, and environmental impacts. It is ideal for professionals aiming for LEED certification, focusing on critical aspects like life-cycle assessment and energy use in buildings.

Quiz Preview

2.

A project that specifies exterior surfaces with high solar reflectance index (SRI) values is contributing to which environmental benefit?
- Reduced heat island effect
- Support for renewable energy
- Protection of the dark-sky initiative
- Improved stormwater quality
Correct Answer

A. Reduced heat island effect

Explanation

The solar reflectance index represents how well a surface rejects solar heat. Using materials with high solar reflectance indexes reduces the trapping of heat in site hardscape, in turn reducing the heat island effect.

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3.

What are the three dimensions of sustainability often described as the triple bottom line or the three-legged stool?
- Economic prosperity, environmental stewardship, and social responsibility
- Economic theory, cultural agendas, and global variety
- Energy efficiency, water efficiency, and indoor environmental quality
- Government standards, building codes, and building practices
Correct Answer

A. Economic prosperity, environmental stewardship, and social responsibility

Explanation

The conventional bottom line evaluates only economic prosperity. The triple bottom line, in contrast, is a was to evaluate performance relative to overall impact, including the human and environmental effects associated with performance.

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4.

The abbreviation VOC refers to ____?
- Volatile organic compounds
- Variable operating conditions
- Variable ozone contaminants
- Versatile organized composites
Correct Answer

A. Volatile organic compounds

Explanation

Volatile organic compounds (VOCs) are volatile at room temperature. Many of them are harmful to humans.

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5.

Graywater is most often used for:
- Drinking
- Irrigation
- Dishwashers
- Swimming pools
Correct Answer

A. Irrigation

Explanation

Graywater is wastewater that does not contain fecal matter, such as water from showers, sinks, and laundry. It can be reused for various purposes, and one of the most common uses is irrigation. Graywater is typically rich in nutrients and can provide a source of water for plants and gardens. By using graywater for irrigation, it reduces the demand for freshwater and promotes sustainable water management practices.

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6.

What is the legal instrument that reguates current land use?
- Zoning
- Licensing
- Abatement
- Commissioning
Correct Answer

A. Zoning

Explanation

Zoning is the correct answer because it is a legal instrument that regulates current land use. Zoning is a system implemented by local governments to divide land into different zones or districts, each with specific regulations and restrictions on how the land can be used. These regulations can include restrictions on the type of buildings allowed, the height of structures, the density of development, and the activities permitted in each zone. Zoning helps to ensure that land use is organized and controlled in a way that promotes public safety, environmental protection, and the overall well-being of the community.

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7.

Why should a green project be located in an existing community?
- Adequate parking is available on site
- The zoning approval for the project is easier
- Native plantings can be used for erosion control
- The connection to basic community resources is present
Correct Answer

A. The connection to basic community resources is present

Explanation

A green project should be located in an existing community because it allows for a connection to basic community resources. By being in an existing community, the project can benefit from the infrastructure and services that are already in place, such as schools, hospitals, public transportation, and utilities. This not only reduces the need for new infrastructure development but also promotes a sense of community and collaboration. Additionally, being located in an existing community can help to ensure that the project is accessible to a wider range of people and can have a positive impact on the local economy.

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8.

Wastewater from toilets and urinals is known as ____?
- Brownwater
- Potable water
- Blackwater
- Graywater
- Drinking water
Correct Answer

A. Blackwater

Explanation

Blackwater doesn't have a single definition that is accepted nationwide, although in all cases, water containing human waste is considered blackwater.

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9.

Decreasing impervious surfaces on a project site will ____?
- Decrease percolation
- Reduce potable water usage
- Reduce stormwater runoff
- Eliminate sewage piping
Correct Answer

A. Reduce stormwater runoff

Explanation

Decreasing impervious surfaces permits an increase in pervious surfaces. Pervious surfaces allow water to infiltrate the ground, thereby reducing stormwater runoff.

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10.

Nonpotable water is typically suitable for which of the following uses (select two)?
- Ice making
- Drinking
- Showers
- Toilet flushing
- Irrigation
Correct Answer(s)

A. Toilet flushing
A. Irrigation

Explanation

Nonpotable water is, by definition, not suitable for consumption, so although it is often acceptable to use for plant watering and waste transport, it is not usable for drinking, ice making, or bathing

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11.

What is the baseline water use for water closets?
- 0.8 gallons per flush
- 1.0 gallons per flush
- 1.6 gallons per flush
- 3.2 gallons per flush
Correct Answer

A. 1.6 gallons per flush

Explanation

The Energy Policy Act (EPAct) establishes the baseline of 1.6 gallons per flush for all water closets

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12.

According to the Environmental Protection Agency, what pertentage of time do Americans spend indoors?
- 75%
- 65%
- 90%
- 50%
Correct Answer

A. 90%

Explanation

The EPA estimates that Americans spend 90% of their time indoors, where concentrations of harmful contaminants may be dangerously high

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13.

A project adjacent to protected forestland that is home to a variety of plant and animal life wants to reduce the impact of its site lighting. To achieve this, the project team installs exterior lighting that ____?
- Provides for tasteful, decorative appearance
- Reduces the need for night-time security
- Adequately illuminates the night sky
- Does not trespass onto adjacent properties
Correct Answer

A. Does not trespass onto adjacent properties

Explanation

Light trespass is the unwanted spillage of light onto adjacent properties. To minimize its impact on nocturnal environs, light trespass must be controlled.

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14.

A building material that is made from recycled soda bottles contains ____?
- Post-industrial recycled content
- Post-consumer recycled content
- Pre-consumer recycled content
- Pre-fabricated recycled content
Correct Answer

A. Post-consumer recycled content

Explanation

Post-consumer recycled content comes from consumer waste, contrasted with pre-consumer recycled content, which comes from manufacturing processes

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15.

In addition to prohibiting smoking within the building, where is it also important to prohibit smoking to reduce occupant exposure to harmful airborne chemicals (select two)?
- In covered parking spaces
- Near building entrances
- Adjacent to building air intakes
- In wooded areas
Correct Answer(s)

A. Near building entrances
A. Adjacent to building air intakes

Explanation

Smoking near building entrances or near building air intakes allows infiltration of environmental tobacco smoke into the building interior, thereby exposing occupants to harmful airborne chemicals

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16.

Which are considered renewable energy sources (select two)?
- Nuclear
- Solar
- Wave
- Natural gas
Correct Answer(s)

A. Solar
A. Wave

Explanation

Renewable energy comes from sources that are not depleted by use. Examples include energy from the sun, wind, and small (low-impact) hydropower, plus geothermal energy and wave and tidal systems

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17.

What constitutes the largest use of energy in buildings in the United States?
- Space cooling
- Space heating
- Electric lighting
- Water heating
Correct Answer

A. Space heating

Explanation

According to the U.S. Department of Energy's Energy Information Administration, 38% of all energy used within building is used for space heating. Lighting is the second largest user, at 20%.

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18.

LEED defines regional materials as originating with ____?
- 50 miles of the project site
- 250 miles of the project site
- 500 miles of the project site
- 750 miles of the project site
Correct Answer

A. 500 miles of the project site

Explanation

LEED has established 500 miles as the threshold for a regionally sourced material

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19.

When is the best time to incorporate an integrative approach for a building project?
- Predesign
- Schematic design
- Design development
- Construction documents
- Construction
Correct Answer

A. Predesign

Explanation

The predesign period of an environmentally responsive design process is the first phase in the development of a project. Bringing professionals together as early as possible in the process decreases the barriers to implementing innovative strategies such as passive thermal comfort and links between the site and the building.

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20.

To what do renewable energy certificates (RECs) refer?
- On-site photovoltaic systems
- Off-site renewable energy purchases
- Market-generated wind power
- Stock in utility providers
Correct Answer

A. Off-site renewable energy purchases

Explanation

RECs are tradable environmental commodities representing proof that a unit of electricity was generated from a renewable energy source. RECs are sold separately from the electricity itself

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21.

Refrigerents are necessary as part of the refrigeration cycle often used to cool buildings. However, the benefits of their use should be condsidered against their potential for adverse environmental impacts. These direct impacts are quantified by which metrics (select two)?
- Global warming potential
- Energy use potential
- Ozone depletion potential
- Soil contamination potential
- Air pollution potential
Correct Answer(s)

A. Global warming potential
A. Ozone depletion potential

Explanation

A refrigerant is weighted by its global warming potential and its ozone depletion potential

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22.

An operable window is considered what type of control?
- Lighting control
- Thermal comfort control
- Acoustical control
- Environmental tobacco smoke control
Correct Answer

A. Thermal comfort control

Explanation

Operable windows allow occupants to make adjustments to the air speed and temperature within the building, thereby controlling multiple environmental conditions of thermal comfort

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23.

What strategy is being used for a project design that orients windows to allow the building to be warm in the winter, stay cool in the summer, and capture daylight?
- High-performance mechanical systems
- Efficiencies of scale
- Energy simulation modeling
- Passive design concepts
Correct Answer

A. Passive design concepts

Explanation

Passive design strategies are used to reduce energy consumption by utilizing natural thermal processes (convection, absorption, radiation, and conduction) and sunlight to condition and light spaces

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24.

The installaiton of low-flow faucet aerators at hand washing stations will result in which of the following (select two)?
- Reduced hours of occupancy
- Reduced energy use
- Reduced water use
- Increased occupant productivity
- Reduced stormwater runoff
Correct Answer(s)

A. Reduced energy use
A. Reduced water use

Explanation

Reducing the flow of water at hand-washing stations results in less water used per minute, thereby decreasing the total water used when washing hands. This in turn results in less hot water use, thereby decreasing the energy used to heat water.

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25.

A school project in predesign would like to incorporate building strategies to maximize student learning. Which strategies should be considered to achieve this goal (select two)?
- Install individual thermal comfort controls in offices
- Incorporate daylight into classrooms
- Reduce the energy use of the building below the baseline standard
- Consider acoustical issues in core learning spaces
Correct Answer(s)

A. Incorporate daylight into classrooms
A. Consider acoustical issues in core learning spaces

Explanation

Studies show that improved daylight in classroom increases student learning, with one study showing 20% faster progression in math and 26% faster progression in reading. High-performance acoustics foster effective teacher-student and student-student communication

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26.

A project team is selecting the HVAC system for the tenant space. Which primary factors should be considered to minimize the environmental impact of the system (select two)?
- First cost
- Expected life
- Energy performance
- Lead time
Correct Answer(s)

A. Expected life
A. Energy performance

Explanation

Energy performance is a primary factor in determining how much energy is used per unit of cooling, thereby influencing the environmental impact of the HVAC system. Expected life is also a large driver of environmental impact, as systems that last longer need to be replaced less often, thereby decreasing the impacts associated with system replacement over the life of the building.

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27.

An Innovation in Design credit for innovative strategies is likely available for projects that _____?
- Issue a press release to announce their LEED project registration
- Include two LEED Accredited Professionals on the project team
- Develop an educational outreach program
- Plan to enroll the project in LEED for Existing Buildings: Operations and Maintenance
Correct Answer

A. Develop an educational outreach program

Explanation

Innovative strategies expand the breadth of green building practices and introduce new ideas. They are distinct from exemplary performance innovation credits in that they address environmental issues not addressed elsewhere within the LEED rating system. Education outreach programs are intended to educate building occupants about the building's features and the benefits of green building in general.. These concepts aren't addressed elsewhere within the LEED rating system, so this strategy is a likely candidate for an Innovation in Design credit for innovative strategies

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28.

What is the procedure required to achieve LEED certification?
- Register a project with GBCI, pay applicable review fees, and submit documentation.
- Retain a LEED professional, register the project, and pay applicable fees.
- Submit documentation, obtain a preliminary rating, and pay applicable certification fees.
- Register the project with GBCI, demonstrate environmental innovation, and pay applicable fees.
Correct Answer

A. Register a project with GBCI, pay applicable review fees, and submit documentation.

Explanation

Projects must first register with GBCI and pay the registration fee. Then, the LEED submittal documentation is compiled and submitted along with the certification fee. Once the review process is completed for both the design and construction credits, a final point tally (and achievement of all prerequisites) dictates the final LEED rating.

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29.

An industrial facility is located in an area with no public transportation. In which ways can the project team reduce the project's transportation impact (select two)?
- Provide a carpooling incentive to building occupants
- Upgrade the company cars to hybrids
- Install solar panels to power parking lot lighting
- Provide occupants a fuel subsidy
Correct Answer(s)

A. Provide a carpooling incentive to building occupants
A. Upgrade the company cars to hybrids

Explanation

Providing a carpooling incentive increases the percentage of occupants who co-commute, thereby reducing the total vehicle miles of traveled. Upgrading the company fleet to hybrids or other low-emitting/fuel-efficient vehicles reduces the transportation impact per mile traveled, further lessening the environmental harm associated with automobile use.

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30.

Energy use associated with office equipment, kitchen cooking, and escalators is known as _____?
- Regulated energy
- Exempt energy
- Process energy
- Secondary energy
Correct Answer

A. Process energy

Explanation

Process energy is defined as energy used to run office equipment, computers, elevators and escalators, kitchen cooking and refrigeration units, laundry washing and drying units, lighting that is exempt from the lighting power allowance, and miscellaneous items

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31.

Thermal comfort is typically attributed to what environmental factors?
- Temperature, humidity, and air speed
- Ventilation, temperature, and daylight
- Humidity, ventilation, and controllability
- Density, temperature, and solar heat gain
Correct Answer

A. Temperature, humidity, and air speed

Explanation

ASHRAE Standard 55 defines the environmental factors of thermal comfort as humidity, air speed, and temperature (air temperature and radiant temperature).

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32.

What is acknowledged as one of the greatest threats to surface-water quality?
- Draining of local aquifers
- Recreational boating
- Rainwater harvesting
- Nonpoint-source pollution
Correct Answer

A. Nonpoint-source pollution

Explanation

Nonpoint source pollution is caused by many sources, such as oil leaks in cars or fertilized landscape plantings, and is exacerbated by impervious hardscapes during heavy rainfall.

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33.

Credit weightins are based on ___?
- Relative costs and benefits of each credit
- Environmental impacts and human benefits
- Carbon footprints and embodied energy
- Expected environmental performance
Correct Answer

A. Environmental impacts and human benefits

Explanation

LEED credits are weighted based on their relative importance. Credits that most directly address the most important environmental impacts and human benefits are given the greatest weight.

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34.

What is the primary standard used to establish the baseline case for indoor water use?
- The Clean Water Act
- Energy Policy Act of 1992
- ASHRAE Standard 90.1
- National Environmental Policy Act
Correct Answer

A. Energy Policy Act of 1992

Explanation

Many water-using fixtures follow the Energy Policy Act (EPAct) requirements for baseline water use. Other water-using fixtures adheres to standards such as the Universal Plumbing Code (UPC).

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35.

What is the first step a project team should consider when trying to save energy?
- Use on-site renewable energy
- Reduce energy demand
- Adopt energy efficiency measures
- Install submetering equipment
Correct Answer

A. Reduce energy demand

Explanation

To reduce energy use, project teams should first reduce energy demand, followed by implementing energy efficiency measures such as installing high-performance equipment. Only then should renewable energy systems be considered. Finally, submetering equipment is used to maintain building performance.

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36.

Which environmentally preferable attributes of materials does LEED recognize (select three)?
- Are harvested and manufactured regionally
- Contain recycled content
- Are sourced from developing countries
- Are salvaged
- Offer future customization options
Correct Answer(s)

A. Are harvested and manufactured regionally
A. Contain recycled content
A. Are salvaged

Explanation

LEED addresses many environmental attributes of building materials, including their recycled content, regional harvest and manufacture, and reuse. LEED doesn't currently recognize materials based on their nation of origin or potential customizability

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37.

Implementation of green building strategies such as daylighting, passive cooling, high-efficiency mechanical systems, and stack ventilation contributes to what type of cost savings?
- Reduced first costs
- Reduced maintenance costs
- Reduced life-cycle costs
- Reduced end-of-life costs
- Reduced imminent costs
Correct Answer

A. Reduced life-cycle costs

Explanation

Life-cycle cost analysis considers the long-term costs of building materials and design strategies.

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38.

How many years can an agricultural product grow or be raised to be considered as rapidly renewable by LEED?
- 5
- 10
- 15
- 20
Correct Answer

A. 10

Explanation

Rapidly renewable resources, defined by LEED as having a planting/harvest cycle of 10 years or less, are replenished more quickly than conventional materials

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39.

A project is in the pre-design phase and the site has already been selected. The team wants to increase the open space on the project site. Which strategies should it consider (select two)?
- Increase the floor-to-area ratio of the building
- Implement a construction activity pollution plan
- Use pervious paving materials for the parking area
- Locate parking underground
- Select drought-tolerant plantings
Correct Answer(s)

A. Increase the floor-to-area ratio of the building
A. Locate parking underground

Explanation

Increasing the floor-to-area ratio results in a smaller building footprint, thereby increasing the available site area to use as open space. Additionally, locating parking underground eliminates surface parking, likewise increasing the available site area that can be dedicated to open space.

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40.

A general contractor attempts a credit in Local or Regional Materials and discovers that the specified product has only a portion of the material manufactured within the required radius. What should the general contractor do?
- Not list the product
- Not use the product
- List the entire product
- List only the portion within the required radius
Correct Answer

A. List only the portion within the required radius

Explanation

The general contractor should list only the portion of the product that is manufactured within the required radius. This means that they should provide information about the local or regional materials used in the product, but not include any materials that are outside of the required radius. By doing so, the general contractor can still earn credit for using local or regional materials, even if only a portion of the product meets the requirement.

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41.

Which of the following is a primary responsibility of the U.S. Green Building Council?
- Developing the LEED Professional Accreditation exams
- Administering LEED project reviews and certification prosesses
- Establishing continuing education requirements for LEED Accredited Professionals
- Providing and developing LEED-based education and research programs
Correct Answer

A. Providing and developing LEED-based education and research programs

Explanation

USGBC is a nonprofit, member-driven body whose mission is "to transform the way buildings and communities are designed, built, and operated, enabling an environmentally and socially responsible, healthy, and prosperous environment that improves the quality of life." Its primary responsibilities are to develop and maintain technically robust building certification programs and educational offerings.

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1
42.

What is the first step in a successful waste management policy?
- Recycle all possible construction materials
- Reuse existing materials
- Reduce the total quantity of waste
- Specify recyclable materials
- Determine the embodied energy of the product
Correct Answer

A. Reduce the total quantity of waste

Explanation

Waste reduction should be the first consideration of a waste management policy, followed by exploring opportunities for reuse. Recycling should then be considered for waste streams that can't be eliminated or repurposed.

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43.

A project generates 100 tons of waste throughout construction. 50 tons are collected on-site and sent to a sorting facility with a facility-wide diversion rate of 60%. 40 tons are separated on-site and sent directly to recyclers. The final 10 tons are incinerated off-site. What percentage of waste does LEED consider to have been recycled?
- 40%
- 50%
- 70%
- 80%
Correct Answer

A. 70%

Explanation

The 50 tons sorted 0ff-site are 60% diverted, resulting in 30 tons recycled. The 40 tons separated on-site are 100% diverted, resulting in 40 tons recycled. The remaining 10 tons are incinerated, resulting in 0 tons recycled. The total recycled is 70 tons, which is 70% of 100 tons.

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44.

According to the EPA, what percentage of solid waste is currently recycled in the United States?
- 11%
- 32%
- 51%
- 72%
Correct Answer

A. 32%

Explanation

The EPA estimated greenhouse gas emissions from waste materials and found that the United States currently recycles approximately 32% of its solid waste. Even a small increase in the overall recycling percentage could have enormous environmental benefits

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45.

Municipally supplied reclaimed water is considered _____?
- Free water
- Nonpotable water
- Process water
- Blackwater
Correct Answer

A. Nonpotable water

Explanation

Many municipalities supply both potable water (treated for human consumption) and nonpotable water (typically treated, but not to the same standard as potable water). This nonpotable water is often reclaimed from sources such as stormwater.

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46.

One of the most cost-effective ways to ensure optimal ongoing energy performance is to _____?
- Commission building systems
- Upgrade mechanical systems
- Install renewable energy systems
- Maintain trees and landscaping features
Correct Answer

A. Commission building systems

Explanation

The Lawrence Berkeley National Laboratory study found that commissioning for existing buildings has a median cost of $0.27 per square foot and an average simple payback of 0.7 years. For new construction, the study found that the median cost was $1 per square foot and had a payback of 4.8 years based on energy savings alone

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47.

Projects can identify which credits have regional priority by ___?
- Checking the USGBC website
- Researching locally pertinent environmental issues
- Submitting a Credit Interpretation Request (CIR)
- Calculating the net environmental impact
Correct Answer

A. Checking the USGBC website

Explanation

USGBC maintains a listing of all regional priority credits by ZIP code, which can be downloaded from the organization's website free of charge

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48.

How many levels of LEED Professional Accreditation are available?
- 6
- 4
- 1
- 3
Correct Answer

A. 3

Explanation

GBCI recognizes three tiers of professional accreditation. Green Associate is the first level, followed by LEED AP with a specialty. Beyond LEED AP with a specialty, professionals can achieve the LEED Fellow designation.

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49.

What metric is trhe best indicator of transportation impacts associated with a building project?
- Street grid density
- Availability of public transportation
- Vehicle miles traveled
- Parking capacity
Correct Answer

A. Vehicle miles traveled

Explanation

Vehicle miles traveled is a measure of transportation demand that estimates the travel miles associated with a project

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Quiz Edited by
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Jan 11, 2012

Quiz Created by
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LEED Study Guide Quiz

Green building emphasizes using what type of design process?

Quiz Preview

A project that specifies exterior surfaces with high solar reflectance index (SRI) values is contributing to which environmental benefit?

What are the three dimensions of sustainability often described as the triple bottom line or the three-legged stool?

The abbreviation VOC refers to ____?

Graywater is most often used for:

What is the legal instrument that reguates current land use?

Why should a green project be located in an existing community?

Wastewater from toilets and urinals is known as ____?

Decreasing impervious surfaces on a project site will ____?

Nonpotable water is typically suitable for which of the following uses (select two)?

What is the baseline water use for water closets?

According to the Environmental Protection Agency, what pertentage of time do Americans spend indoors?

A project adjacent to protected forestland that is home to a variety of plant and animal life wants to reduce the impact of its site lighting. To achieve this, the project team installs exterior lighting that ____?

A building material that is made from recycled soda bottles contains ____?

In addition to prohibiting smoking within the building, where is it also important to prohibit smoking to reduce occupant exposure to harmful airborne chemicals (select two)?

Which are considered renewable energy sources (select two)?

What constitutes the largest use of energy in buildings in the United States?

LEED defines regional materials as originating with ____?

When is the best time to incorporate an integrative approach for a building project?

To what do renewable energy certificates (RECs) refer?

Refrigerents are necessary as part of the refrigeration cycle often used to cool buildings. However, the benefits of their use should be condsidered against their potential for adverse environmental impacts. These direct impacts are quantified by which metrics (select two)?

An operable window is considered what type of control?

What strategy is being used for a project design that orients windows to allow the building to be warm in the winter, stay cool in the summer, and capture daylight?

The installaiton of low-flow faucet aerators at hand washing stations will result in which of the following (select two)?

A school project in predesign would like to incorporate building strategies to maximize student learning. Which strategies should be considered to achieve this goal (select two)?

A project team is selecting the HVAC system for the tenant space. Which primary factors should be considered to minimize the environmental impact of the system (select two)?

An Innovation in Design credit for innovative strategies is likely available for projects that _____?

What is the procedure required to achieve LEED certification?

An industrial facility is located in an area with no public transportation. In which ways can the project team reduce the project's transportation impact (select two)?

Energy use associated with office equipment, kitchen cooking, and escalators is known as _____?

Thermal comfort is typically attributed to what environmental factors?

What is acknowledged as one of the greatest threats to surface-water quality?

Credit weightins are based on ___?

What is the primary standard used to establish the baseline case for indoor water use?

What is the first step a project team should consider when trying to save energy?

Which environmentally preferable attributes of materials does LEED recognize (select three)?

Implementation of green building strategies such as daylighting, passive cooling, high-efficiency mechanical systems, and stack ventilation contributes to what type of cost savings?

How many years can an agricultural product grow or be raised to be considered as rapidly renewable by LEED?

A project is in the pre-design phase and the site has already been selected. The team wants to increase the open space on the project site. Which strategies should it consider (select two)?

A general contractor attempts a credit in Local or Regional Materials and discovers that the specified product has only a portion of the material manufactured within the required radius. What should the general contractor do?

Which of the following is a primary responsibility of the U.S. Green Building Council?

What is the first step in a successful waste management policy?

According to the EPA, what percentage of solid waste is currently recycled in the United States?

Municipally supplied reclaimed water is considered _____?

One of the most cost-effective ways to ensure optimal ongoing energy performance is to _____?

Projects can identify which credits have regional priority by ___?

How many levels of LEED Professional Accreditation are available?

What metric is trhe best indicator of transportation impacts associated with a building project?