Environmental Economics Foundations
Expert-defined terms from the Professional Certificate in Environmental Economics course at LearnUNI. Free to read, free to share, paired with a professional course.
Acid Rain #
Acid Rain
Definition #
Precipitation containing high levels of sulfuric or nitric acids formed when emissions of SO₂ and NOₓ react with water vapor. Example: Damage to forest soils in the Appalachian region. Practical application: Designing emissions caps under a cap‑and‑trade system. Challenge: Cross‑border coordination because pollutants travel long distances.
Adaptive Management #
Adaptive Management
Definition #
A systematic process of learning from policy outcomes and adjusting strategies accordingly. Example: Adjusting water withdrawal limits after observing unexpected river flow changes. Practical application: Iterative budgeting for climate adaptation projects. Challenge: Institutional inertia and data latency hinder timely adjustments.
Agricultural Externalities #
Agricultural Externalities
Definition #
Unpriced impacts of farming activities such as fertilizer runoff, methane from livestock, and habitat conversion. Example: Nutrient loading leading to algal blooms in the Gulf of Mexico. Practical application: Implementing nutrient trading schemes. Challenge: Measuring dispersed effects and enforcing compliance across many small farms.
Air Quality Index (AQI) #
Air Quality Index (AQI)
Definition #
Composite indicator that translates concentrations of key pollutants into a single number reflecting health risk. Example: An AQI of 150 signals “unhealthy” conditions for sensitive groups. Practical application: Public alerts and policy triggers for emission reductions. Challenge: Communicating uncertainty and regional variations to the public.
Albedo #
Albedo
Definition #
The fraction of incoming solar radiation reflected back to space by a surface. Example: Snow‑covered Arctic has high albedo, reducing warming. Practical application: Assessing land‑use change impacts on climate. Challenge: Predicting albedo shifts due to vegetation dynamics and snow melt.
Anthropogenic Climate Change #
Anthropogenic Climate Change
Definition #
Human‑driven alteration of the climate system primarily through the emission of carbon dioxide, methane, and other greenhouse gases. Example: Global temperature rise of 1.2 °C since pre‑industrial levels. Practical application: Setting nationally determined contributions (NDCs). Challenge: Aligning short‑term economic incentives with long‑term climate goals.
Biophysical Economy #
Biophysical Economy
Definition #
An analytical framework that integrates ecological constraints with economic activity, emphasizing flows of energy, water, and nutrients. Example: Accounting for water use in cotton production. Practical application: Designing policies that internalize resource scarcity. Challenge: Data scarcity for ecosystem stock‑taking.
Biodiversity Loss #
Biodiversity Loss
Definition #
The reduction in variety of life forms, leading to weakened ecosystem functions and services. Example: Decline of pollinator populations affecting crop yields. Practical application: Implementing biodiversity offset markets. Challenge: Valuing non‑market benefits and addressing time lags in ecological response.
Carbon Pricing #
Carbon Pricing
Definition #
Economic instruments that assign a monetary cost to each ton of CO₂ emitted, incentivizing reductions. Example: Sweden’s carbon tax of ~US 130 per ton. Practical application: Guiding investment toward low‑carbon technologies. Challenge: Determining the appropriate price level and preventing carbon leakage.
Carbon Sequestration #
Carbon Sequestration
Definition #
The process of capturing and storing atmospheric CO₂ in forests, soils, or geological formations. Example: Reforestation projects in the Brazilian Cerrado. Practical application: Generating carbon credits for voluntary markets. Challenge: Ensuring permanence and measuring additionality.
Cap‑and‑Trade #
Cap‑and‑Trade
Definition #
A market‑based regulatory system that sets a total emission limit (cap) and distributes tradable permits (allowances). Example: The EU Emissions Trading System covering power plants and industry. Practical application: Encouraging cost‑effective reductions through permit trading. Challenge: Preventing overallocation that depresses permit prices.
Co‑benefits #
Co‑benefits
Definition #
Positive side effects that arise from implementing a primary environmental policy. Example: Reduced particulate matter from a carbon tax improves public health. Practical application: Accounting for co‑benefits in cost‑benefit analysis to strengthen policy support. Challenge: Quantifying and attributing indirect benefits accurately.
Coase Theorem #
Coase Theorem
Definition #
A proposition that, under zero transaction costs and well‑defined property rights, parties can negotiate efficient outcomes for externalities. Example: Negotiated settlement between a factory and nearby residents over noise. Practical application: Informing the design of tradable permit systems. Challenge: Real‑world transaction costs often prohibit bargaining.
Collective Action Problem #
Collective Action Problem
Definition #
Situations where individual rationality leads to over‑use or under‑provision of a shared resource. Example: Overfishing in international waters. Practical application: Designing institutions that enforce quotas. Challenge: Aligning incentives across sovereign actors.
Community #
Based Natural Resource Management (CBNRM)
Definition #
An approach that empowers local communities to manage resources such as forests, fisheries, or wildlife. Example: Village forest committees in Nepal. Practical application: Enhancing compliance through cultural norms. Challenge: Balancing local autonomy with national conservation objectives.
Commitment Mechanism #
Commitment Mechanism
Definition #
Institutional arrangements that lock in future actions, reducing uncertainty and encouraging investment. Example: Long‑term renewable portfolio standards. Practical application: Attracting low‑cost capital for green infrastructure. Challenge: Maintaining flexibility while preserving credibility.
Compound Interest #
Compound Interest
Definition #
The growth of an investment when interest is earned on both the initial principal and accumulated interest. Example: Calculating the future cost of a carbon offset project. Practical application: Evaluating long‑term climate finance. Challenge: Selecting discount rates that reflect intergenerational equity.
Cost‑Benefit Analysis (CBA) #
Cost‑Benefit Analysis (CBA)
Definition #
A systematic process for comparing the monetary benefits and costs of a project or policy. Example: Assessing the net benefit of a wetland restoration. Practical application: Prioritizing projects under budget constraints. Challenge: Monetizing non‑market values such as cultural heritage.
Deadweight Loss #
Deadweight Loss
Definition #
The reduction in total surplus that occurs when market outcomes are not Pareto‑optimal, often due to taxes or subsidies. Example: Loss of consumer surplus from a carbon tax that raises energy prices. Practical application: Designing tax structures that minimize welfare loss. Challenge: Balancing environmental objectives with economic efficiency.
Deforestation #
Deforestation
Definition #
The permanent removal of forest cover, typically for agriculture, logging, or urban development. Example: Amazon rainforest loss contributing 10 % of global CO₂ emissions. Practical application: Implementing REDD+ incentives. Challenge: Monitoring illegal clearing and ensuring community participation.
Discount Rate #
Discount Rate
Definition #
The rate used to convert future costs and benefits into present values, reflecting societal time preference. Example: A 3 % discount rate applied to climate damages over a 100‑year horizon. Practical application: Setting rates for public project appraisal. Challenge: Ethical debates over the appropriate rate for long‑term environmental impacts.
Double‑Dividend Hypothesis #
Double‑Dividend Hypothesis
Definition #
The proposition that a carbon tax can yield both environmental benefits and economic gains if revenues are returned to the economy. Example: Using tax proceeds to reduce other distortionary taxes. Practical application: Designing fiscal policy to maximize net welfare. Challenge: Empirical evidence of the second dividend is mixed.
Ecosystem Services #
Ecosystem Services
Definition #
Benefits that humans obtain from ecosystems, including food, water purification, climate regulation, and recreation. Example: Mangroves protecting coastlines from storm surges. Practical application: Valuing services to inform land‑use planning. Challenge: Capturing non‑market values and dealing with spatial heterogeneity.
Economies of Scale #
Economies of Scale
Definition #
The cost advantage that arises when production becomes efficient as output increases. Example: Larger solar farms achieving lower per‑kilowatt costs. Practical application: Encouraging consolidation in renewable energy sectors. Challenge: Avoiding market power that could raise prices.
Elasticity #
Elasticity
Definition #
A measure of how responsive a variable is to changes in another variable, typically expressed as a percentage change ratio. Example: High elasticity of gasoline demand in response to price hikes. Practical application: Forecasting emissions reductions from carbon pricing. Challenge: Estimating elasticity for emerging technologies with limited data.
Environmental Kuznets Curve (EKC) #
Environmental Kuznets Curve (EKC)
Definition #
A hypothesized inverted‑U relationship between environmental degradation and per‑capita income, suggesting that pollution rises then falls as economies grow. Example: Air quality improvements in high‑income countries. Practical application: Using EKC insights to target early‑stage polluters. Challenge: Empirical support varies by pollutant and may mask hidden costs.
Externality #
Externality
Definition #
A cost or benefit incurred by a third party not involved in an economic transaction. Example: Air pollution from a factory imposing health costs on nearby residents. Practical application: Implementing taxes or tradable permits to internalize externalities. Challenge: Accurately measuring the magnitude and distribution of external effects.
Fisheries Management #
Fisheries Management
Definition #
The set of policies and practices aimed at maintaining fish populations at sustainable levels. Example: The North Atlantic cod recovery plan using catch limits. Practical application: Allocating fishing rights through individual transferable quotas. Challenge: Enforcement in high‑seas and accounting for ecosystem interactions.
Food‑Energy‑Water Nexus #
Food‑Energy‑Water Nexus
Definition #
The interconnectedness of food production, energy generation, and water use, where changes in one sector affect the others. Example: Biofuel policies increasing water demand for irrigation. Practical application: Scenario modeling to identify low‑impact pathways. Challenge: Coordinating policies across sectoral ministries.
Free Riding #
Free Riding
Definition #
The tendency of individuals to benefit from resources or services without paying for them, undermining provision incentives. Example: Nations benefiting from global climate mitigation without contributing. Practical application: Designing contribution mechanisms that reduce incentives to free ride. Challenge: Monitoring and enforcing contributions in international settings.
Green Growth #
Green Growth
Definition #
Economic growth that is environmentally sustainable, emphasizing decoupling of GDP from resource use and emissions. Example: Germany’s “Energiewende” strategy. Practical application: Incentivizing clean technology through subsidies. Challenge: Measuring true decoupling versus “green‑washing” effects.
Greenhouse Gas (GHG) #
Greenhouse Gas (GHG)
Definition #
Gases that trap heat in the Earth’s atmosphere, contributing to global warming. Example: CO₂ from fossil fuel combustion. Practical application: Reporting under the UNFCCC GHG inventory guidelines. Challenge: Accounting for non‑CO₂ gases with high global warming potentials.
Gross Domestic Product (GDP) #
Gross Domestic Product (GDP)
Definition #
The total monetary value of all final goods and services produced within a country’s borders in a given period. Example: U.S. GDP of approximately US 21 trillion in 2023. Practical application: Benchmarking economic performance. Challenge: GDP ignores environmental degradation and resource depletion.
Groundwater Depletion #
Groundwater Depletion
Definition #
The lowering of the water table due to excessive pumping, leading to reduced availability and land subsidence. Example: Declining water levels in the Central Valley, California. Practical application: Implementing pumping caps and pricing reforms. Challenge: Balancing agricultural demand with long‑term sustainability.
Habitat Fragmentation #
Habitat Fragmentation
Definition #
The breaking up of continuous habitat into smaller, isolated patches, reducing species viability. Example: Road networks dividing forest corridors. Practical application: Establishing wildlife overpasses. Challenge: Securing funding and landowner cooperation for connectivity projects.
Health Impact Assessment (HIA) #
Health Impact Assessment (HIA)
Definition #
A systematic process to evaluate the potential health effects of a policy, program, or project before implementation. Example: Assessing respiratory impacts of a new industrial plant. Practical application: Integrating HIA into environmental permitting. Challenge: Data gaps on exposure–response relationships.
Industrial Ecology #
Industrial Ecology
Definition #
The study of material and energy flows through industrial systems, aiming to mimic natural ecosystems where waste becomes input. Example: Using waste heat from a steel mill to power a nearby greenhouse. Practical application: Designing symbiotic networks among firms. Challenge: Coordinating across proprietary supply chains.
Internalization of Externalities #
Internalization of Externalities
Definition #
Policy actions that ensure producers or consumers bear the full social cost of their activities. Example: Imposing a levy on plastic packaging to reflect waste management costs. Practical application: Setting permit prices in an emissions trading scheme. Challenge: Avoiding unintended distributional impacts.
International Environmental Agreements #
International Environmental Agreements
Definition #
Legally binding or voluntary accords among nations to address trans‑boundary environmental issues. Example: The Kyoto Protocol’s binding emission targets. Practical application: Aligning national policies with treaty obligations. Challenge: Ensuring enforcement and equitable burden‑sharing.
Land‑Use Change #
Land‑Use Change
Definition #
The alteration of the terrestrial surface from one land cover type to another, often with ecological and carbon implications. Example: Conversion of prairie to cropland. Practical application: Incorporating land‑use scenarios in climate models. Challenge: Capturing indirect effects such as displacement of activities.
Levy #
Levy
Definition #
A charge imposed by a government on the production, consumption, or import of a good, intended to internalize external costs. Example: Plastic bag levy to reduce litter. Practical application: Funding recycling programs with levy revenues. Challenge: Setting levy rates that achieve environmental goals without excessive burden.
Market Failure #
Market Failure
Definition #
A situation where free markets do not allocate resources efficiently, often due to externalities, monopolies, or incomplete information. Example: Over‑fishing due to lack of property rights. Practical application: Justifying government intervention such as taxes or regulations. Challenge: Identifying the precise nature of the failure and designing appropriate remedies.
Marginal Abatement Cost (MAC) #
Marginal Abatement Cost (MAC)
Definition #
The cost associated with reducing one additional unit of emissions, often expressed as $/ton CO₂. Example: A MAC curve showing solar PV as low‑cost abatement options. Practical application: Prioritizing measures with the lowest MAC for policy design. Challenge: Accounting for uncertainty and dynamic technology learning.
Material Flow Analysis (MFA) #
Material Flow Analysis (MFA)
Definition #
A systematic assessment of the flows and stocks of materials within a defined system, from extraction to disposal. Example: Tracking steel input and waste in a manufacturing plant. Practical application: Identifying hotspots for material efficiency improvements. Challenge: Data collection across complex supply chains.
Metropolitan Planning Organization (MPO) #
Metropolitan Planning Organization (MPO)
Definition #
A regional agency responsible for coordinating transportation and land‑use planning in urbanized areas. Example: The Los Angeles MPO developing a regional transit plan. Practical application: Integrating climate mitigation into transport projects. Challenge: Balancing competing local interests and funding constraints.
Mitigation #
Mitigation
Definition #
Actions aimed at reducing the magnitude of climate change, primarily by limiting greenhouse gas emissions. Example: Expanding wind power capacity. Practical application: Setting national emissions reduction targets. Challenge: Scaling mitigation while maintaining economic growth.
Natural Capital #
Natural Capital
Definition #
The stock of natural resources that provides ecosystem services essential for human well‑being. Example: Forests as a source of timber and carbon storage. Practical application: Incorporating natural capital into national accounts. Challenge: Valuing non‑market assets and avoiding double‑counting.
Non‑Market Valuation #
Non‑Market Valuation
Definition #
Techniques used to estimate the economic value of goods and services that are not bought and sold in markets. Example: Estimating willingness to pay for clean air. Practical application: Supporting cost‑benefit analyses of environmental regulations. Challenge: Survey design bias and hypothetical bias.
Offset Market #
Offset Market
Definition #
A marketplace where emission reductions or removals are purchased to compensate for emissions elsewhere. Example: A company buying forest‑based offsets to achieve net‑zero status. Practical application: Meeting voluntary corporate climate commitments. Challenge: Ensuring offsets represent real, permanent, and additional reductions.
Opportunity Cost #
Opportunity Cost
Definition #
The value of the best alternative foregone when a decision is made. Example: Choosing a coal plant over a solar farm foregoes potential renewable energy benefits. Practical application: Informing investment decisions in climate projects. Challenge: Quantifying intangible alternatives.
Optimal Tax Theory #
Optimal Tax Theory
Definition #
The analytical framework that determines the tax rate that maximizes welfare by internalizing externalities while minimizing distortion. Example: Setting a carbon tax equal to the marginal social cost of emissions. Practical application: Designing tax schedules that achieve environmental goals. Challenge: Estimating the exact marginal damage cost.
Over‑exploitation #
Over‑exploitation
Definition #
The excessive use of a resource beyond its capacity to replenish, leading to decline or collapse. Example: Over‑harvesting of groundwater in India’s Punjab region. Practical application: Implementing quota systems. Challenge: Monitoring and enforcing limits in dispersed user groups.
Participatory Appraisal #
Participatory Appraisal
Definition #
A set of techniques that involve local stakeholders in the assessment of environmental projects and policies. Example: Using focus groups to identify valued ecosystem services. Practical application: Enhancing legitimacy of environmental impact statements. Challenge: Ensuring representation of marginalized groups.
Pollution Prevention #
Pollution Prevention
Definition #
Strategies aimed at reducing the generation of pollutants at the source rather than treating them after release. Example: Switching to low‑sulfur fuels in power generation. Practical application: Incentivizing process redesign through tax credits. Challenge: Upfront investment costs and technology adoption barriers.
Policy Instruments #
Policy Instruments
Definition #
The tools available to governments to influence behavior and achieve environmental objectives. Example: Emissions standards for vehicles. Practical application: Selecting a mix of instruments to address air quality. Challenge: Aligning instrument choice with political feasibility and administrative capacity.
Pollution Control Technology #
Pollution Control Technology
Definition #
Engineering solutions designed to reduce or eliminate pollutant emissions from industrial processes. Example: Flue‑gas desulfurization units in coal plants. Practical application: Mandating technology adoption through performance standards. Challenge: Cost‑effectiveness and technology diffusion in developing economies.
Positive Externality #
Positive Externality
Definition #
A beneficial effect on third parties that is not reflected in market prices. Example: Urban green spaces improving air quality for nearby residents. Practical application: Providing subsidies for rooftop solar installations. Challenge: Measuring the magnitude of the benefit to justify public support.
Present Value (PV) #
Present Value (PV)
Definition #
The current worth of a future sum of money or stream of cash flows given a specified discount rate. Example: Calculating the PV of a 20‑year renewable energy project. Practical application: Comparing alternative investments on a common basis. Challenge: Sensitivity of results to discount rate assumptions.
Public Goods #
Public Goods
Definition #
Goods that are non‑excludable and non‑rivalrous, meaning individuals cannot be excluded from use and one person’s use does not diminish another’s. Example: Clean air. Practical application: Government provision or financing through taxes. Challenge: Determining optimal provision levels and preventing over‑use.
Qualified Emission Reduction (QER) #
Qualified Emission Reduction (QER)
Definition #
A unit representing a verified reduction of one metric ton of CO₂ equivalent, issued under certain compliance regimes. Example: QERs generated by a certified methane capture project. Practical application: Companies using QERs to meet voluntary carbon neutrality goals. Challenge: Maintaining rigorous verification standards.
Rebound Effect #
Rebound Effect
Definition #
The phenomenon where expected gains from efficiency improvements are partially offset by increased consumption. Example: Lower fuel costs leading to longer vehicle travel distances. Practical application: Designing policies that combine efficiency with usage caps. Challenge: Predicting magnitude of rebound across sectors.
Regenerative Agriculture #
Regenerative Agriculture
Definition #
Farming practices that restore soil organic matter, improve biodiversity, and increase carbon storage. Example: No‑till cropping combined with cover crops. Practical application: Generating carbon credits for farmers. Challenge: Scaling adoption while maintaining yields.
Renewable Portfolio Standard (RPS) #
Renewable Portfolio Standard (RPS)
Definition #
A policy that requires electricity providers to obtain a certain percentage of their power from renewable sources. Example: California’s RPS targeting 60 % renewable electricity by 2030. Practical application: Stimulating investment in wind and solar farms. Challenge: Managing variability and grid integration costs.
Resource Allocation #
Resource Allocation
Definition #
The distribution of limited resources among competing uses to achieve desired outcomes. Example: Allocating water between agriculture and urban consumption. Practical application: Using market mechanisms to allocate rights. Challenge: Balancing equity and efficiency.
Risk Assessment #
Risk Assessment
Definition #
The systematic process of identifying, analyzing, and evaluating potential adverse effects of a decision or activity. Example: Assessing the risk of chemical spills from a petrochemical plant. Practical application: Informing regulatory thresholds and emergency response plans. Challenge: Data gaps and modeling uncertainties.
Social Cost of Carbon (SCC) #
Social Cost of Carbon (SCC)
Definition #
An estimate of the present value of future damages caused by emitting one additional ton of CO₂ into the atmosphere. Example: U.S. government SCC estimate of about US 50 per ton. Practical application: Guiding carbon tax levels and project appraisal. Challenge: Wide range of estimates due to differing climate models and discount rates.
Solar Photovoltaic (PV) #
Solar Photovoltaic (PV)
Definition #
Technology that converts sunlight directly into electricity using semiconductor materials. Example: Rooftop solar installations in residential neighborhoods. Practical application: Meeting renewable energy targets and reducing reliance on fossil fuels. Challenge: Intermittency and storage requirements.
Stakeholder Analysis #
Stakeholder Analysis
Definition #
A process of identifying individuals or groups affected by or capable of influencing a policy, and assessing their interests and power. Example: Mapping NGOs, industry groups, and indigenous communities in a dam project. Practical application: Tailoring communication and negotiation tactics. Challenge: Balancing competing interests and avoiding tokenism.
Strategic Environmental Assessment (SEA) #
Strategic Environmental Assessment (SEA)
Definition #
A systematic process for evaluating the environmental consequences of proposed policies, plans, or programs before they are adopted. Example: Conducting SEA for a national transport master plan. Practical application: Embedding sustainability considerations early in decision‑making. Challenge: Limited capacity and political will to conduct comprehensive SEAs.
Sustainable Development Goal (SDG) #
Sustainable Development Goal (SDG)
Definition #
A set of 17 global goals adopted by United Nations member states to address social, economic, and environmental challenges. Example: SDG 13 “Climate Action”. Practical application: Aligning national environmental policies with SDG targets. Challenge: Measuring progress and avoiding goal conflicts.
Technology Diffusion #
Technology Diffusion
Definition #
The process by which new technologies spread across sectors, firms, and regions over time. Example: Rapid uptake of LED lighting after price reductions. Practical application: Designing subsidies and information campaigns to accelerate diffusion. Challenge: Overcoming lock‑in to incumbent technologies.
Thermal Pollution #
Thermal Pollution
Definition #
The degradation of water quality by artificial temperature changes, typically from power plant cooling water releases. Example: Elevated river temperatures harming salmon spawning. Practical application: Implementing closed‑loop cooling systems. Challenge: Higher capital costs and operational constraints.
Time Preference #
Time Preference
Definition #
The degree to which individuals value present consumption over future consumption. Example: Preference for immediate economic gains over long‑term climate mitigation. Practical application: Influencing policy design through behavioral economics. Challenge: Aligning private time preferences with societal long‑term welfare.
Trade‑off Analysis #
Trade‑off Analysis
Definition #
The systematic evaluation of competing objectives to identify optimal compromises. Example: Balancing water allocation between agriculture and hydropower generation. Practical application: Guiding policy choices where objectives conflict. Challenge: Quantifying disparate units and stakeholder preferences.
Transboundary Pollution #
Transboundary Pollution
Definition #
Pollution that originates in one jurisdiction and impacts another, often requiring cooperative management. Example: Acid rain affecting Canada from U.S. emissions. Practical application: Joint monitoring programs and coordinated caps. Challenge: Negotiating equitable burden sharing.
Triple Bottom Line #
Triple Bottom Line
Definition #
A framework that evaluates organizational performance based on social, environmental, and financial criteria. Example: A corporation reporting carbon emissions, community investments, and earnings. Practical application: Guiding corporate strategy toward holistic value creation. Challenge: Integrating disparate metrics and avoiding green‑washing.
Underground Storage #
Underground Storage
Definition #
The injection of CO₂ into deep geological formations for long‑term storage. Example: Storage in depleted oil fields in the North Sea. Practical application: Enabling negative‑emission technologies. Challenge: Monitoring leakage and ensuring public acceptance.
Urban Heat Island (UHI) #
Urban Heat Island (UHI)
Definition #
The phenomenon where urban areas experience higher temperatures than surrounding rural areas due to built‑up surfaces and reduced vegetation. Example: Tokyo’s summer temperature spikes. Practical application: Implementing reflective roofing and urban tree planting. Challenge: Coordinating planning across municipal jurisdictions.
Valuation Methodology #
Valuation Methodology
Definition #
The set of techniques used to assign monetary values to environmental goods and services. Example: Using travel cost method to value a national park’s recreational benefits. Practical application: Supporting regulatory impact analysis. Challenge: Selecting appropriate methods for diverse ecosystem services.
Variable Renewable Energy (VRE) #
Variable Renewable Energy (VRE)
Definition #
Renewable energy sources whose output fluctuates with environmental conditions, such as wind and solar. Example: Wind farm output varying with wind speeds. Practical application: Designing demand‑response programs and storage solutions. Challenge