Earth and Environmental Science · Year 12 · Climate Change and Future Earth · 4.º Período

Mitigation and Adaptation Strategies

An evaluation of global and local strategies to mitigate greenhouse gas emissions and adapt to a changing climate. Students consider the economic, social, and environmental trade-offs.

TL;DR:The final topic in the curriculum focuses on the human response to climate change. Students evaluate mitigation strategies, efforts to reduce the sources or enhance the sinks of greenhouse gases, and adaptation strategies, adjustments to live with the changes that are already occurring. They explore technologies like carbon capture and storage, renewable energy transitions, and 'blue carbon' restoration in coastal mangroves.

• ACARA Content Descriptions
• ACSES105
• ACSES106

About This Topic

The final topic in the curriculum focuses on the human response to climate change. Students evaluate mitigation strategies, efforts to reduce the sources or enhance the sinks of greenhouse gases, and adaptation strategies, adjustments to live with the changes that are already occurring. They explore technologies like carbon capture and storage, renewable energy transitions, and 'blue carbon' restoration in coastal mangroves.

The curriculum also addresses the socio-economic and ethical dimensions of these choices. Students look at international agreements like the Paris Accord and the role of local government in building resilient communities. This topic emphasizes that there is no 'silver bullet' and that a combination of strategies is required. Students grasp these concepts faster through structured debates and collaborative problem-solving where they must balance economic costs with environmental benefits.

Key Questions

1. What are the most effective strategies for reducing carbon emissions?
2. How can coastal communities adapt to rising sea levels?
3. What role do international agreements play in combating climate change?

Watch Out for These Misconceptions

Common Misconception

Mitigation and adaptation are the same thing.

What to Teach Instead

Mitigation is 'stopping the cause' (e.g., solar panels), while adaptation is 'dealing with the effect' (e.g., building sea walls). Using a 'leaky tap' analogy, fixing the tap (mitigation) vs. mopping the floor (adaptation), helps students distinguish between the two approaches.

Common Misconception

We have to choose between the economy and the environment.

What to Teach Instead

Many climate solutions, like renewable energy, are now cheaper than fossil fuels and create new jobs. Peer discussion of 'green industries' helps students see that sustainable practices can drive economic growth rather than just being a cost.

Active Learning Ideas

Formal Debate

The Best Path to Net Zero

Teams argue for different primary mitigation strategies: rapid renewable rollout, nuclear energy (within the Australian context), or heavy investment in carbon capture technology. They must use data on cost, speed, and reliability to support their case.

60 min·Small Groups

Inquiry Circle

Adaptation Planning

Students take the role of a 'Council Sustainability Officer' for a specific Australian region (e.g., a farming town or a coastal city). They must create a 5-point adaptation plan to address a specific threat like drought or sea-level rise.

90 min·Small Groups

Think-Pair-Share

Personal vs. Systemic Change

Students reflect on the impact of individual actions (e.g., diet, transport) versus systemic changes (e.g., government policy, industrial shifts). They discuss with a partner which is more effective and share their conclusion with the class.

25 min·Pairs

Frequently Asked Questions

What is 'Blue Carbon'?

Blue carbon is the carbon stored in coastal and marine ecosystems like mangroves, seagrasses, and saltmarshes. These ecosystems can store up to ten times more carbon per hectare than terrestrial forests, making their protection a key mitigation strategy for Australia.

What is the difference between 'Net Zero' and 'Zero Emissions'?

Zero emissions means no greenhouse gases are released at all. Net Zero means that some emissions may still occur, but they are balanced out by removing an equivalent amount from the atmosphere (e.g., through tree planting or carbon capture technology).

How can active learning help students understand mitigation?

Active learning, like the 'Net Zero' debate, forces students to grapple with the trade-offs of different technologies. It moves them beyond 'good vs. bad' thinking and into the realm of engineering and economic reality, where they must consider grid stability, cost, and public acceptance.

How can Australian farmers adapt to climate change?

Adaptation strategies for farmers include planting more heat-tolerant crop varieties, using 'precision agriculture' to save water, and diversifying their income through carbon farming (getting paid to store carbon in their soil or trees).