12 Enviro Science Revision - U3 Sustainable Development

U3 - Sustainable Development Revision

​Sustainable Development

• Sustainable development is the balance between meeting present needs without compromising future generations' ability to meet theirs.

• This involves careful consideration of environmental, economic, and social impacts in decision-making.

• Focuses on preserving natural ecosystems, biodiversity, and resources.

• It aligns with principles like conservation of biodiversity, ecological integrity, and the precautionary principle.

Pillar 1 - Environment

• Ensures economic growth and resource efficiency while minimizing environmental impact.

• It is linked to the efficiency of resource use and the user pays principle.

Pillar 2 - Economic

• Involves ensuring social equity, human rights, and the well-being of communities.

• Connected to intragenerational equity and intergenerational equity

Pillar 3 - Social

Sustainable development seeks to balance ecological health, economic viability, and sociocultural well-being. This balance is critical for long-term sustainability.

Balance the Pillars!

Multiple Choice

Which dimension of sustainable development focuses on ensuring fair resource distribution within the current generation?

• Ecological Dimension

• Economic Dimension

• Sociocultural Dimension

• None of the above

• Conservation of Biodiversity and Ecological Integrity: Preserving species and ecosystem functions.

• Efficiency of Resource Use: Minimizing resource use while achieving goals.

• Intergenerational Equity: Ensuring resources are available for future generations.

Sustainability Principles

• Intragenerational Equity: Fair distribution of resources within the current generation.

• Precautionary Principle: Taking preventive actions when environmental harm is uncertain.

• User Pays Principle: The cost of using environmental services is paid by the users.

Sustainability Principles

Applying the Principles

• Decision-makers must integrate sustainability principles to balance social, economic, and environmental goals.

• Considerations include stakeholder values, regulatory frameworks, and long-term consequences of actions.

Multiple Choice

Which principle ensures future generations can meet their own needs?

• Precautionary Principle

• User Pays Principle

• Intergenerational Equity

• Intragenerational Equity

Multiple Choice

Which principle applies when making decisions under uncertainty about environmental impacts?

• User Pays Principle

• Intragenerational Equity

• Precautionary Principle

• Cost-Benefit Analysis

Open Ended

Explain how the principles of intragenerational equity and intergenerational equity are applied in the context of sustainable development.

Solution

Intragenerational equity ensures that resources are distributed fairly among all people today, while intergenerational equity ensures that the actions we take today do not deplete resources, leaving enough for future generations. Both principles are crucial in sustainable development to promote social justice and environmental protection.

Open Ended

Explain how biodiversity contributes to ecological integrity and long-term sustainability.

​Solution

Biodiversity ensures ecosystems can recover from disturbances, provides genetic resources for adaptation, and supports essential ecological processes, making ecosystems resilient to change.

Challenges to Sustainability

• Population Growth: Strains resources like water, energy, and food.

• Energy: Over-reliance on non-renewable sources and energy poverty.

• Food Security: Insufficient and inefficient agricultural systems.

• Water Scarcity: Overuse and pollution of water sources.

Multiple Choice

What is the most significant challenge to sustainability in urban areas?

• Water pollution

• Population growth

• Decreasing biodiversity

• Climate change

Multiple Choice

Which of the following is a primary challenge to upholding the principles of sustainability?

• Declining population

• Water scarcity

• Renewable energy overuse

• Decreasing biodiversity

Multiple Choice

What is the most significant contributor to food insecurity in developing countries?

• Over-reliance on renewable energy

• Population growth and poor agricultural infrastructure

• Efficient use of land and water resources

• Improved global trade agreements

Multiple Choice

Which of the following is an effective strategy to address energy poverty?

• Decreasing investment in fossil fuels

• Expanding access to renewable energy sources like solar and wind

• Limiting access to energy resources in developing countries

• Increasing global energy consumption

Open Ended

Explain how population growth poses a challenge to upholding sustainability principles and suggest one possible solution.

Solution

Population growth increases demand for essential resources like water, energy, and food, placing stress on ecosystems and depleting natural resources. A possible solution is promoting family planning and improving resource efficiency to ensure that the needs of a growing population are met sustainably.

Circular Economy

• A circular economy aims to eliminate waste by keeping resources in use as long as possible.

• It contrasts with the linear "take-make-dispose" model by focusing on reuse, recycling, and regeneration of products.

Multiple Choice

Which of the following best describes the goal of a circular economy?

• To improve agricultural productivity

• To reduce waste by reusing materials

• To increase economic growth through manufacturing

• To reduce energy consumption

Integrated Sustainability Assessment

​Tools

• Cost-Benefit Analysis

• Qualitative Risk Analysis

• Life Cycle Assessment (LCA)

Integrated Sustainability Assessment

​Cost-Benefit Analysis (CBA)

• A decision-making tool that compares the costs and benefits of a project or action in both environmental and economic terms.

• CBA helps weigh the pros and cons, providing a balanced view of whether a project aligns with sustainability goals.

Integrated Sustainability Assessment

Qualitative Risk Analysis

• A tool used to evaluate risks associated with a project or decision, assessing both the likelihood of a risk occurring and the potential impact it could have on sustainability outcomes.

• It provides a non-numerical, descriptive assessment, useful in situations with uncertain or complex risks.

Multiple Choice

Which tool measures environmental impacts over a product's entire life cycle?

• Cost-Benefit Analysis

• Qualitative Risk Analysis

• Life Cycle Assessment

• Risk Management

Multiple Choice

What is the main objective of the circular economy?

• Increase economic growth through faster production cycles

• Eliminate waste by reusing and recycling resources

• Maximize the use of fossil fuels

• Increase consumption of single-use products

Open Ended

Explain how cost-benefit analysis (CBA) can be applied in environmental decision-making to support sustainability.

Solution

Cost-benefit analysis helps decision-makers evaluate both the financial and environmental costs and benefits of a project. By quantifying the economic value of environmental impacts (such as pollution reduction or resource conservation), CBA ensures that decisions balance economic growth with environmental protection, promoting sustainable outcomes.

Evaluating Case Studies

Impact on 4 Earth Systems

• Atmosphere

• Lithosphere

• Hydrosphere

• Biosphere

Multiple Choice

Which of the following is an example of a harmful impact on the lithosphere in an environmental case study?

• Soil conservation measures in farming

• The creation of protected areas for wildlife

• Soil erosion due to deforestation or mining

• Pollution control measures improving water quality

Interconnections and Tensions in Responsible Decision-Making

Diverse Stakeholder Values:

Stakeholders (e.g., businesses, governments, local communities, environmental groups) often have conflicting values and priorities.

Interconnections and Tensions in Responsible Decision-Making

Regulatory Frameworks:

Regulations such as the Environment Protection and Biodiversity Conservation (EPBC) Act set legal standards that inform decision-making but can create tensions if they restrict economic activities.

Interconnections and Tensions in Responsible Decision-Making

Current & Historical Data:

Decision-making relies on the accurate interpretation of both historical trends and current scientific data to predict outcomes. Conflicting data can lead to disagreements on the best course of action.

Interconnections and Tensions in Responsible Decision-Making

Application of New Technologies

New technologies (e.g., renewable energy, pollution control systems) provide innovative solutions but may be expensive or have unforeseen environmental impacts, leading to debates among stakeholders.

Multiple Choice

Which of the following best describes a common tension in responsible environmental decision-making?

• Agreement between stakeholders on economic growth

• Conflicting values between stakeholders, such as economic vs environmental priorities

• Limited use of historical scientific data

• The absence of regulatory frameworks

Open Ended

Explain how regulatory frameworks and new technologies can create tensions in decision-making about environmental management.

Solution

Regulatory frameworks like the EPBC Act set legal requirements that may limit certain activities (e.g., deforestation or mining), causing tension with stakeholders who prioritize economic development. New technologies, while offering solutions to environmental issues (such as renewable energy), can create tensions due to high costs or potential impacts on existing industries and jobs.