Economics · Grade 11

Active learning ideas

Introduction to Environmental Economics

Active learning helps students grasp environmental economics by making abstract concepts concrete. When students role-play negotiations or analyze real cases, they see how market failures shape environmental outcomes in tangible ways, moving from passive notes to active problem-solving.

• Ontario Curriculum Expectations
• Ontario Curriculum CIE3M: Economic Concepts and Choices, B1. demonstrate an understanding of the core concepts of economic thinking.
• Ontario Curriculum CIE3M: Economic Concepts and Choices, B1.1. explain the concepts of scarcity, choice, and opportunity cost, and how they relate to the basic questions of economics.
• Ontario Curriculum CIE3M: Economic Concepts and Choices, B1.2. explain the relationship between key factors of production and the production of goods and services.

• 35–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Concept Mapping
• 45 min · Small Groups

Role-Play: Externality Negotiation

Assign roles as factory owners, residents, and regulators. Groups negotiate pollution permits, calculating costs and benefits on worksheets. Debrief with class vote on optimal policy. End by graphing social vs private costs.

Explain how environmental problems arise from market failures.

Facilitation Tip

At the Externality Graphing Stations, give students graph templates and colored pencils to illustrate shifts in supply and demand curves when externalities are internalized.

What to look for

Pose the following to students: 'Imagine a local factory is polluting a river that many residents use for recreation. Explain this situation as an externality. What are the potential solutions, considering the Coase Theorem and government regulation?' Facilitate a class discussion where students articulate their reasoning.

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

Activity 02

• Case Study Analysis
• 35 min · Pairs

Case Study Analysis: Canadian Fisheries

Provide data on Atlantic cod collapse. Pairs identify public good characteristics and market failures. They propose solutions like quotas, then share via gallery walk. Connect to tragedy of the commons.

Analyze the concept of externalities in environmental degradation.

What to look for

Present students with two scenarios: 1) A national park with an entrance fee, and 2) The air we breathe. Ask them to identify whether each is primarily a private good or a public good, and to briefly explain their reasoning for each, focusing on excludability and rivalry.

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Activity 03

• Concept Mapping
• 50 min · Whole Class

Public Goods Debate

Divide class into teams debating privatization vs government provision of clean air. Each side prepares arguments with examples. Vote and reflect on free-rider issues in journal.

Differentiate between private and public goods in an environmental context.

What to look for

On an index card, have students define 'market failure' in their own words and provide one specific example of an environmental issue that arises from it. Collect and review these to gauge understanding of the core concept.

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

Activity 04

• Concept Mapping
• 40 min · Individual

Externality Graphing Stations

Set up stations with scenarios like logging runoff. Students graph marginal social cost curves individually, then rotate to critique peers' work. Discuss policy fixes as a class.

Explain how environmental problems arise from market failures.

What to look for

Pose the following to students: 'Imagine a local factory is polluting a river that many residents use for recreation. Explain this situation as an externality. What are the potential solutions, considering the Coase Theorem and government regulation?' Facilitate a class discussion where students articulate their reasoning.

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

A few notes on teaching this unit

Approach this topic by starting with familiar examples students encounter daily, like air quality or public parks, before introducing technical terms. Avoid diving straight into jargon—instead, build from real experiences to definitions. Research suggests students retain concepts better when they first feel the tension of conflicting interests, so prioritize activities that create that cognitive disequilibrium.

Students will explain market failures using examples like externalities and public goods, and propose policy solutions grounded in economic reasoning. They will connect these concepts to real-world environmental issues in Canada and beyond.

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Watch Out for These Misconceptions

• During the Externality Negotiation Role-Play, watch for students who attribute environmental harm solely to moral failings rather than systemic incentives.

  Use the role-play’s closing debrief to highlight how the factory owner and community members each acted rationally given their constraints, steering the conversation toward solutions like Pigouvian taxes or property rights.

• During the Public Goods Debate, watch for students who conflate public goods with government-provided services.

  Have debate teams present counterexamples, such as lighthouses or GPS signals, to clarify that public goods are defined by non-excludability and non-rivalry, not by who provides them.

• During the Externality Graphing Stations, watch for students who assume all externalities are negative.

  Ask students to redraw graphs to show positive externalities, such as a beekeeper’s hives aiding nearby orchards, and calculate the net social benefit to balance their perspective.

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Methods used in this brief

• Concept Mapping
• Case Study Analysis