Climate Change, Built-Environment Impacts and Resilience

Introduction

Climate change is simultaneously an environmental, economic, technological and real-estate issue. Buildings consume energy, use materials, occupy land and influence transport patterns; they therefore contribute substantially to greenhouse-gas emissions. At the same time, buildings and urban infrastructure are exposed to heatwaves, flooding, storms, drought, wildfire, sea-level rise and water stress. Climate change consequently affects the value, insurability, usability, operating cost and long-term performance of real-estate assets.

For real-estate professionals, climate analysis is not limited to installing efficient equipment. It involves understanding the complete carbon life cycle of an asset, identifying hazards and vulnerabilities, evaluating transition and physical risks, selecting adaptation measures, and aligning investment decisions with credible decarbonisation and resilience pathways. These tasks require both technical analysis and managerial judgement.

Learning Objectives

By the end of this chapter, the learner should be able to:

1. Distinguish operational, embodied and whole-life greenhouse-gas emissions.
2. Explain the relationship between climate hazards, exposure, vulnerability and risk.
3. Analyse transition risk and physical risk in property portfolios.
4. Apply basic carbon-accounting and energy-performance calculations.
5. Evaluate adaptation, resilience and decarbonisation strategies.
6. Explain net-zero concepts, boundaries and limitations.
7. Integrate climate considerations into real-estate investment, development and asset management.

1. Climate Change and the Built Environment

The built environment includes buildings, infrastructure, public spaces, energy systems, water systems, transport networks and the institutions that govern them. Its climate relationship is bidirectional:

• Buildings and cities cause emissions through energy use, construction materials, refrigerants, transport dependence, land-use change and waste.
• Climate change affects buildings and cities through changing temperatures, precipitation, hazards, resource availability, health conditions and infrastructure reliability.

A useful systems perspective treats an asset as part of interconnected urban and ecological systems. A building may be energy efficient but still vulnerable to grid outages, flooding or water scarcity. Conversely, a technically resilient building may create social vulnerability if adaptation costs make housing unaffordable.

Climate performance therefore has at least four dimensions:

Mitigation addresses the causes of climate change; adaptation addresses its consequences. They are related but not interchangeable. Some measures produce both benefits—for example, shading can reduce cooling energy and overheating—while others may create trade-offs. Air-conditioning can reduce immediate heat exposure but increase electricity demand, peak loads and emissions where electricity is carbon intensive.

2. Greenhouse-Gas Emissions from Buildings

2.1 Operational emissions

Operational emissions arise during use of a building. Important sources include:

• electricity for heating, cooling, lighting, lifts, pumps and appliances;
• directly combusted fuels such as natural gas, oil or biomass;
• refrigerant leakage from cooling and heat-pump systems;
• purchased steam, heating or cooling;
• tenant activities that fall within the selected reporting boundary.

Operational emissions may be reported as absolute tonnes of carbon-dioxide equivalent per year or as an intensity, such as kilograms of carbon-dioxide equivalent per square metre per year. Carbon dioxide equivalent, written CO₂e, expresses the climate effect of different greenhouse gases using their comparable warming impact over a specified time horizon.

For purchased electricity, a basic emissions calculation is:

where E_elec is electricity-related emissions, in kg CO₂e; Q_elec is electricity consumption, in kWh; and EF_elec is the electricity emission factor, in kg CO₂e/kWh. The calculation assumes that consumption and the emission factor refer to the same period, geography and accounting method. Location-based factors describe the average grid, whereas market-based factors may reflect contractual electricity procurement.

For several energy sources:

Here, Q_i is the quantity of energy source i, EF_i is its emission factor, and the remaining terms represent refrigerant and other relevant emissions. Units must be harmonised before summation.

Worked example: operational emissions

An office consumes 420,000 kWh of grid electricity in a year. The applicable factor is 0.42 kg CO₂e/kWh. It also consumes 18,000 kWh of natural gas at 0.20 kg CO₂e/kWh.

Electricity emissions = 420,000 × 0.42 = 176,400 kg CO₂e.

Gas emissions = 18,000 × 0.20 = 3,600 kg CO₂e.

Total operational emissions = 180,000 kg CO₂e, or 180 tonnes CO₂e per year. If the gross floor area is 6,000 m², the operational intensity is:

The result is meaningful only if the area definition, energy boundary, occupancy period and emission factors are documented.

2.2 Embodied emissions

Embodied emissions are associated with materials and construction rather than routine operation. They include:

• extraction and processing of raw materials;
• manufacture of cement, steel, aluminium, glass and other products;
• transport to the site;
• construction and installation;
• maintenance, repair and replacement;
• demolition, transport and end-of-life processing.

A life-cycle assessment normally divides emissions into stages. Exact modules vary by standard, but the analytical distinction between product stage, construction stage, use stage and end-of-life stage is widely used. Upfront embodied carbon is particularly important because it is released before or at completion and cannot be reduced retrospectively through later operational efficiency.

A simplified materials calculation is:

where M_j is the mass or quantity of material j and EF_j is its product-specific embodied-emission factor. The method assumes that the factor matches the material specification, life-cycle boundary, geography and unit—for example, kg CO₂e per kg of steel or per cubic metre of concrete.

Whole-life carbon combines embodied and operational emissions over a defined study period:

T is the assessment period in years and C_beneficial represents any credited benefit, such as verified material recovery or exported renewable energy, where the selected methodology permits it. Whole-life comparisons must use consistent discounting, replacement assumptions, service lives and carbon factors. Carbon should not automatically be treated as financially discounted: a low present-value cost does not necessarily represent a low climate impact.

2.3 Carbon-accounting boundaries

A credible inventory specifies organisational and operational boundaries. Common scopes are:

• Scope 1: direct emissions from sources owned or controlled by the organisation, such as gas boilers and refrigerant leakage.
• Scope 2: indirect emissions from purchased electricity, heating, cooling or steam.
• Scope 3: other value-chain emissions, including construction materials, tenant activities, business travel, waste and leased assets, depending on the reporting framework.

The same property can have different reported emissions depending on whether the analysis covers the owner, occupier, development project or full life cycle. Boundary transparency is therefore more important than presenting a single apparently precise number.

3. Climate Hazards, Exposure, Vulnerability and Risk

Climate risk is not simply the existence of a hazard. A hazard becomes a material risk when it affects exposed people, assets, services or ecosystems that are vulnerable to harm.

A useful conceptual relationship is:

This is a conceptual model rather than a universal calculation equation. Hazard refers to a potentially damaging physical event or trend; exposure refers to people, assets or systems located where the hazard may occur; and vulnerability refers to susceptibility and limited capacity to cope, adapt or recover. Risk assessments should also consider response capacity and the time horizon.

Examples of hazards include:

• extreme heat and chronic temperature increase;
• river, surface-water and coastal flooding;
• intense rainfall and drainage failure;
• drought and water scarcity;
• wildfire and smoke;
• tropical cyclones, windstorms and hail;
• sea-level rise and coastal erosion;
• permafrost thaw or ground instability in relevant regions.

Vulnerability has physical, social, economic and institutional dimensions. A poorly insulated top-floor dwelling may be physically vulnerable to heat. Older residents may be more susceptible to health impacts. A low-income household may lack the financial capacity to relocate or install cooling. A building with a technically robust design may remain vulnerable if maintenance arrangements are weak.

Hazard assessment and scenario uncertainty

Climate projections are not predictions of one certain future. They are scenario-based representations influenced by emissions pathways, climate sensitivity, downscaling methods and natural variability. Professional assessments should therefore use multiple scenarios and time horizons, such as current conditions, the 2030s, the 2050s and the end of the century where appropriate.

Important questions include:

1. Which hazards are relevant at the site?
2. How may frequency, intensity or duration change?
3. What assets, occupants and services are exposed?
4. What design thresholds are exceeded?
5. What is the consequence of failure?
6. How quickly must service be restored?
7. Which uncertainties could alter the decision?

4. Physical and Transition Risks

4.1 Physical risk

Acute physical risks arise from events such as floods, storms, fires and heatwaves. Chronic physical risks arise from long-term shifts such as sea-level rise, rising average temperatures, water stress and changing precipitation patterns.

Physical risks affect real estate through:

• structural damage and business interruption;
• higher insurance premiums or unavailability of insurance;
• reduced worker productivity and occupant health;
• increased cooling, water and maintenance costs;
• loss of access to roads, power, telecommunications or water;
• reduced rental demand, liquidity and asset value.

The risk is often systemic. A building may survive a flood but remain unusable because roads, substations or wastewater systems fail.

4.2 Transition risk

Transition risks arise from changes made to achieve a lower-emission economy. They include:

• stricter energy and building-performance regulation;
• carbon pricing and mandatory disclosure;
• changing tenant and investor preferences;
• technological substitution, such as electrification of heating;
• higher financing costs for inefficient assets;
• reputational damage and greenwashing allegations;
• supply-chain constraints for low-carbon materials.

An asset with high emissions may become a “stranded asset” if it cannot meet future performance requirements at acceptable cost. Stranding is not automatic; it depends on regulation, market demand, retrofit feasibility, capital availability and location.

4.3 Risk materiality

A professional climate-risk assessment combines probability and consequence, but should not reduce all decisions to a single score. A low-probability event may have catastrophic consequences, while a frequent but minor event may produce large cumulative losses. Scenario narratives, sensitivity tests, thresholds and financial analysis should accompany rating systems.

Possible financial channels include:

• capital expenditure for adaptation or retrofit;
• operating-cost changes;
• insurance and financing costs;
• vacancy and rental effects;
• impairment or valuation adjustments;
• disruption of construction schedules;
• liability and compliance costs.

5. Adaptation and Resilience

Adaptation is the process of adjustment to actual or expected climate effects. Resilience is the capacity of a system to withstand, absorb, adapt, recover and improve after disturbance. Resilience is therefore broader than resistance: a resilient system may allow controlled failure in one component while preserving essential functions.

5.1 Adaptation hierarchy

A useful sequence is:

1. Avoid: do not locate vulnerable development in high-risk areas where avoidance is feasible.
2. Reduce exposure: relocate critical equipment above flood levels or place essential functions away from hazard zones.
3. Reduce sensitivity: improve insulation, shading, drainage, fire resistance or water efficiency.
4. Increase adaptive capacity: provide monitoring, emergency plans, trained staff, finance and governance.
5. Transfer or share risk: use insurance, contractual arrangements and mutual aid, recognising that transfer does not reduce physical harm.
6. Accept and recover: plan for residual risk, repair, continuity and learning.

Adaptation should avoid maladaptation—actions that increase vulnerability elsewhere, over time or for disadvantaged groups. For example, widespread air-conditioning may protect some occupants while increasing grid stress and heat emissions in dense urban areas.

5.2 Building-scale measures

Common measures include external shading, reflective or green roofs, high-performance envelopes, natural ventilation where climate and air quality permit, efficient heat pumps, flood barriers, backflow prevention, raised equipment, fire-resistant landscaping, water storage, leak detection, backup power and passive survivability.

Passive survivability is the ability of a building to maintain safe conditions during power or fuel interruption. It is particularly important for hospitals, care facilities, social housing and high-rise buildings. Passive measures are generally less dependent on fuel supply and mechanical maintenance than active systems.

5.3 Urban-scale measures

Cities can combine green and grey infrastructure:

• wetlands, parks, trees and restored waterways for cooling and stormwater management;
• permeable surfaces, detention basins and upgraded drainage;
• flood defences and managed retreat where necessary;
• district cooling or heating;
• resilient transport, distributed energy and microgrids;
• heat-health warning systems and cooling centres.

Urban interventions must be evaluated for distributional effects. Tree planting can reduce heat but may contribute to “green gentrification” if rising property values displace existing residents.

5.4 Adaptation appraisal

A simple benefit-cost ratio is:

where PV denotes present value over the selected analysis period. Benefits may include avoided damage, avoided downtime, health benefits and reduced operating costs. The ratio depends on assumptions about discount rates, hazard probabilities, asset lives, residual risk and non-market impacts. A BCR below one does not automatically justify rejection: legal duties, equity, life safety and irreversible damage may require action.

6. Decarbonisation Pathways and Net Zero

A decarbonisation pathway is a time-sequenced plan for reducing emissions while maintaining required building services and financial viability. It should identify a baseline, interim targets, capital requirements, dependencies, responsible parties and verification methods.

A robust building pathway commonly follows this order:

1. Measure energy, emissions and performance quality.
2. Reduce demand through passive design, controls, commissioning and behavioural measures.
3. Improve systems through efficient equipment and electrification.
4. Supply remaining energy with credible renewable sources.
5. Address refrigerants, materials, tenant emissions and residual emissions.
6. Verify performance and revise the pathway as conditions change.

The sequence matters. Procuring renewable electricity without reducing excessive demand may lower reported emissions but leave the building inefficient and vulnerable to energy-price or grid constraints.

Net zero means that, within a defined boundary and timeframe, human-caused greenhouse-gas emissions are balanced by human-caused removals, with emissions reduced deeply rather than offset casually. A credible claim must specify:

• gases included;
• organisational, operational and life-cycle boundary;
• base year and target year;
• interim milestones;
• treatment of renewable electricity;
• residual emissions and removal quality;
• accounting method and verification.

Net zero is not the same as zero emissions at every moment. Nor is it achieved merely by purchasing inexpensive offsets. Residual emissions should be minimized, and removals should be additional, measurable, durable and not associated with unacceptable social or ecological harm.

For portfolios, absolute emissions and intensity should both be monitored. Intensity can improve because floor area expands or occupancy changes even when total emissions rise. Conversely, absolute reductions may conceal poor performance if a portfolio contracts. Decision-makers should therefore examine both measures and disclose changes in area, occupancy and methodology.

7. Integrating Climate into Real-Estate Decision-Making

Climate analysis should be integrated across the property life cycle.

Acquisition and due diligence

Review flood, heat, wildfire, water and subsidence exposure; energy ratings; equipment age; refrigerants; retrofit feasibility; energy and carbon data quality; insurance; local regulation; grid capacity; and potential future obsolescence. Climate risk should be reflected in pricing, conditions precedent, warranties and capital plans.

Development and design

Use site selection, orientation, massing and passive design before relying on mechanical systems. Conduct whole-life carbon analysis, climate-resilience testing and constructability review. Specify performance requirements for contractors and suppliers, and preserve commissioning and post-occupancy verification budgets.

Asset management

Maintain a building-level transition and resilience plan. Track energy, emissions, water, indoor environmental quality, maintenance, incidents and tenant engagement. Climate action is operational: poorly commissioned systems can undermine excellent design.

Portfolio strategy

Classify assets by physical risk, transition risk, retrofit potential, strategic importance and social role. Possible strategies include retrofit, repurpose, acquire, divest, insure, relocate critical functions or accept managed residual risk. Portfolio decisions should avoid simply transferring high-risk assets to less-informed buyers or vulnerable communities.

Governance and disclosure

Board oversight, clear accountability, internal carbon prices, investment hurdles, scenario analysis and audit trails improve implementation. Climate claims should be evidence-based and distinguish commitments, estimates and verified outcomes. Greenwashing can arise from selective boundaries, unverified offsets, vague “carbon neutral” language or failure to disclose material risks.

8. Technology, Data and Artificial Intelligence

Sensors, smart meters, building-management systems, digital twins and satellite data can improve measurement and operational control. Artificial intelligence can identify abnormal energy use, forecast loads, optimise maintenance and model hazard exposure. However, technology does not replace engineering judgement or governance.

Key risks include poor-quality data, biased training sets, cybersecurity threats, privacy concerns, opaque recommendations and automated control actions that compromise comfort or safety. Models should be calibrated against measured performance, monitored for drift and used with human accountability. The most sophisticated prediction is not useful if the organisation cannot finance or implement the recommended action.

9. Illustrative Case: Retrofit and Resilience of a Coastal Office Building

Background

Consider a fictional 12-storey office building completed in 1998, located in a coastal city. It has 18,000 m² of floor area, gas boilers, electric chillers, single glazing and underground electrical equipment. Annual electricity use is 2.4 million kWh and gas use is 1.1 million kWh. The owner faces rising cooling demand, flood exposure, tenant pressure for lower emissions and uncertainty over future regulation.

Problem

The building has both transition and physical risks. Its gas system may become expensive or non-compliant under future policy. Its basement equipment is exposed to coastal flooding, while poor façade performance contributes to overheating and high energy use. A cosmetic “green” refurbishment would not address these interconnected risks.

Analysis

The owner establishes a baseline using consistent energy boundaries and factors. It then commissions a scenario assessment for heat, coastal flooding, rainfall and grid reliability. The assessment finds that flood damage to electrical equipment could cause prolonged downtime, while summer overheating is likely to increase. A life-cycle study shows that replacement of the façade has significant upfront embodied carbon, so the design team compares deep refurbishment with targeted repair and external shading.

Approach

The selected pathway includes:

• external shading and improved airtightness;
• selective glazing replacement rather than automatic whole-façade replacement;
• heat-pump conversion as boilers reach replacement age;
• improved controls, sub-metering and commissioning;
• raised electrical equipment and flood-resistant barriers;
• roof photovoltaics subject to structural and fire review;
• emergency power for life-safety and critical systems;
• a tenant engagement programme;
• annual verification of energy, carbon and overheating performance.

The owner evaluates measures using life-cycle cost, carbon, disruption, occupant health, residual risk and equity considerations. The retrofit is phased to avoid tenant displacement and to coordinate equipment replacement with planned maintenance.

Outcome

In this illustrative scenario, the phased programme reduces operational energy, lowers overheating risk and improves flood recovery capability. It does not eliminate all risk: extreme coastal events remain possible, grid decarbonisation is uncertain and embodied emissions are incurred by replacement work. The owner therefore retains an emergency plan, insurance review and five-year reassessment trigger.

Learning points

1. Climate risk is both physical and transitional.
2. Timing routine replacement can reduce disruption and stranded-asset risk.
3. Passive and low-energy measures should precede supply-side solutions.
4. Resilience includes recovery, governance and continuity—not only physical barriers.
5. A credible pathway reports residual risk and uncertainty rather than promising perfection.

10. Challenges and Limitations

Climate analysis contains unavoidable uncertainty. Hazard projections differ by model and scenario; building data may be incomplete; emissions factors change; tenant behaviour is difficult to predict; and future regulation is uncertain. Precision in a spreadsheet can therefore create false confidence.

Other limitations include:

• inconsistent carbon-accounting boundaries;
• double counting of renewable energy or offsets;
• difficulty valuing health, biodiversity and cultural impacts;
• rebound effects when efficiency lowers the cost of energy services;
• conflict between heritage conservation and deep retrofit;
• unequal access to capital and technical expertise;
• short investment horizons compared with asset lives;
• uncertainty about future material availability and grid capacity.

Good practice is not to ignore uncertainty but to expose it. Use ranges, scenarios, sensitivity tests, conservative safety margins and decision points. Prioritise no-regret measures—actions beneficial under many plausible futures—while preserving flexibility for uncertain technologies and policies.

Contemporary Direction and Best Practice

Leading practice is moving from isolated building certification toward whole-life carbon, operational verification, climate-risk disclosure, nature-positive design and portfolio transition planning. Important developments include greater attention to embodied carbon, refrigerant management, circular material use, demand flexibility, electrification, on-site and district energy, heat-health protection and climate justice.

A high-quality professional process should:

• establish transparent boundaries and reliable baselines;
• combine absolute and intensity metrics;
• assess multiple hazards and scenarios;
• integrate mitigation, adaptation and social equity;
• prioritise passive design and demand reduction;
• coordinate capital planning with equipment life cycles;
• verify post-occupancy outcomes;
• document assumptions and uncertainty;
• avoid unsupported net-zero or resilience claims;
• assign accountability at board, portfolio, asset and operational levels.

Chapter Summary

Buildings and cities are both major sources of greenhouse-gas emissions and locations of climate vulnerability. Operational emissions arise during use, while embodied emissions arise from materials, construction, maintenance and end-of-life. Whole-life carbon analysis combines these categories within an explicitly defined boundary and assessment period.

Climate risk depends on hazard, exposure and vulnerability, with consequences shaped by adaptive capacity and system interdependence. Physical risks arise from changing climate conditions; transition risks arise from policy, technology, market and reputational change. Both can affect costs, value, liquidity, insurance and finance.

Adaptation reduces harm, while resilience concerns the capacity to maintain essential functions, recover and learn. Effective strategies include avoidance, passive design, protection of critical systems, redundancy, emergency planning and equitable urban interventions. Decarbonisation pathways should first reduce demand, then improve efficiency and electrify systems, use credible renewable energy, address embodied and residual emissions, and verify results. Net zero is a bounded, time-specific condition requiring deep emission reductions and responsible treatment of residual emissions and removals.

For real-estate managers, climate action is a life-cycle and governance task. Credible decisions integrate technical evidence, financial appraisal, uncertainty, social justice, regulation and post-occupancy performance.

Key Terms

Adaptation: Adjustment to actual or expected climate effects to reduce harm or exploit beneficial opportunities.

Acute physical risk: Risk from discrete events such as floods, storms, wildfires or heatwaves.

Climate resilience: Capacity to withstand, adapt to, recover from and learn after climate-related disturbance.

Carbon dioxide equivalent (CO₂e): A common unit expressing the climate effect of different greenhouse gases.

Decarbonisation pathway: A sequenced plan for reducing emissions toward a defined future target.

Embodied emissions: Emissions associated with materials, construction, maintenance, replacement and end of life.

Exposure: People, assets, services or ecosystems located where a hazard may occur.

Greenwashing: Misleading or unsupported communication about environmental performance.

Hazard: A potentially damaging physical climate event, trend or condition.

Just transition: An approach that considers fairness in the distribution of climate costs, benefits and opportunities.

Maladaptation: An intervention that increases vulnerability or creates harm elsewhere or in the future.

Net zero: A condition in which deeply reduced human-caused emissions are balanced by credible removals within a defined boundary.

Operational emissions: Emissions generated during building use and operation.

Passive survivability: Ability to maintain safe conditions during interruption of power or mechanical services.

Physical risk: Risk arising from acute or chronic climate impacts.

Scope 1, 2 and 3: Categories covering direct, purchased-energy and other value-chain emissions.

Stranded asset: An asset whose economic value or usability is materially reduced by changing conditions.

Transition risk: Risk arising from the shift to a lower-emission economy.

Vulnerability: Susceptibility to harm and limited capacity to cope, adapt or recover.

Whole-life carbon: Emissions across a building’s life cycle, including operation and embodied stages.

Review Questions

Short Answer Questions

1. Distinguish operational emissions from embodied emissions.
2. Define hazard, exposure and vulnerability.
3. What is the difference between acute and chronic physical risk?
4. Why should absolute emissions and emissions intensity both be monitored?
5. State two characteristics of a credible net-zero claim.

Long Answer Questions

1. Explain how climate change affects real-estate value, operating performance and investment decisions.
2. Discuss the relationship between mitigation, adaptation and resilience, including possible trade-offs.
3. Explain the role of whole-life carbon assessment in building development and refurbishment.
4. Analyse the principal transition risks facing an inefficient commercial property.
5. Describe a professional framework for integrating climate risk into portfolio management.

Analytical / Application Questions

1. A building uses 300,000 kWh of electricity at an emission factor of 0.35 kg CO₂e/kWh and 25,000 kWh of gas at 0.21 kg CO₂e/kWh. Calculate total annual operational emissions and emissions intensity if floor area is 5,000 m². State two assumptions required for interpretation.
2. A coastal apartment building has low direct flood exposure, but its electricity substation and access road are in a flood-prone zone. Analyse its indirect vulnerability and recommend three resilience measures.
3. Compare two retrofit strategies: a high-cost deep retrofit with large upfront embodied emissions and a phased low-disruption retrofit with slower operational reductions. Identify the data, scenarios and ethical considerations needed to recommend one strategy.

Multiple Choice Questions with Answers

Question 1

Which category normally includes emissions from electricity purchased for building operation?

A. Scope 1

B. Scope 2

C. Scope 3 only

D. Embodied carbon only

Correct Answer: B. Scope 2

Question 2

A building consumes 100,000 kWh of electricity at 0.40 kg CO₂e/kWh. What are the associated emissions?

A. 4 tonnes CO₂e

B. 25 tonnes CO₂e

C. 40 tonnes CO₂e

D. 400 tonnes CO₂e

Correct Answer: C. 40 tonnes CO₂e

Question 3

Which statement best distinguishes embodied emissions from operational emissions?

A. Embodied emissions occur only after demolition

B. Embodied emissions are associated with materials and construction, while operational emissions occur during use

C. Operational emissions exclude electricity

D. Embodied emissions are always greater than operational emissions

Correct Answer: B. Embodied emissions are associated with materials and construction, while operational emissions occur during use

Question 4

In the conceptual relationship Risk = f(Hazard, Exposure, Vulnerability), exposure refers to:

A. The probability that a policy will change

B. The carbon intensity of electricity

C. People, assets or systems located where a hazard may occur

D. The ability to recover after an event

Correct Answer: C. People, assets or systems located where a hazard may occur

Question 5

Which is an example of transition risk?

A. A coastal storm damaging a basement

B. A heatwave increasing cooling demand

C. A new building-performance regulation making an inefficient asset costly to operate

D. A drought reducing water availability

Correct Answer: C. A new building-performance regulation making an inefficient asset costly to operate

Question 6

Which action generally follows the principle of reducing demand before decarbonising energy supply?

A. Installing shading and improving the building envelope before sizing replacement cooling equipment

B. Buying offsets before measuring energy use

C. Installing a larger boiler to compensate for heat loss

D. Ignoring commissioning because renewable electricity is available

Correct Answer: A. Installing shading and improving the building envelope before sizing replacement cooling equipment

Question 7

Which statement about net zero is most accurate?

A. It means no energy is used by the building

B. It can be achieved solely by purchasing inexpensive offsets

C. It requires a defined boundary, deep emissions reductions and credible treatment of residual emissions

D. It is identical to a high energy-performance rating

Correct Answer: C. It requires a defined boundary, deep emissions reductions and credible treatment of residual emissions

Question 8

Which measure most directly improves passive survivability?

A. A larger advertising display

B. Improved envelope performance that maintains safer indoor conditions during a power outage

C. More single-use cooling equipment

D. A higher parking ratio

Correct Answer: B. Improved envelope performance that maintains safer indoor conditions during a power outage

Question 9

A project has present-value adaptation benefits of 900,000 monetary units and present-value costs of 600,000 monetary units. What is its benefit-cost ratio?

A. 0.67

B. 1.00

C. 1.50

D. 2.00

Correct Answer: C. 1.50

Question 10

Why is boundary transparency important in climate accounting?

A. It guarantees that all future emissions are zero

B. It allows users to understand what sources and life-cycle stages are included

C. It eliminates uncertainty in climate projections

D. It makes embodied emissions irrelevant

Correct Answer: B. It allows users to understand what sources and life-cycle stages are included