Lesson Notes By Weeks and Term v5 - Grade 9

Lesson Video

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Performance objectives

• Define sustainability in the context of technology.
• Analyze the environmental impact of a specific South African technology.
• Discuss the social implications of technology, like jobs and information access.
• Evaluate solutions to reduce the negative impacts of technology.

Lesson summary

This week, we delve into the crucial relationship between technology, society, and the environment. This isn't just abstract theory; it’s about understanding how the technological choices we make today impact our communities, our natural resources, and the future of South Africa. Consider the impact of coal-fired power plants (Eskom) on air quality in areas like Mpumalanga, or the potential of renewable energy to create jobs and reduce pollution across the country. This topic helps you become informed citizens who can critically evaluate technological advancements and their consequences. From cell phones to power plants, everything has an impact.

Lesson notes

2.1 Sustainability: Sustainability means meeting the needs of the present without compromising the ability of future generations to meet their own needs. This concept is crucial in technology because technological advancements often come with environmental and social costs. A truly sustainable technology minimizes these costs while maximizing benefits.

Economic Sustainability: Ensuring long-term economic growth and stability. This doesn't mean just making a profit now but considering the long-term economic impact on communities and the country.

Environmental Sustainability: Protecting natural resources and ecosystems for future generations. This includes reducing pollution, conserving water, and preventing deforestation.

Social Sustainability: Promoting social justice, equality, and well-being for all members of society. This includes ensuring access to education, healthcare, and employment opportunities.

Example: Consider the use of solar panels in South Africa.

Economic: Initially, the cost of installing solar panels can be high.

However, over time, it reduces electricity bills and can create jobs in the solar panel installation and maintenance industry.

Environmental: Solar energy is a renewable resource that doesn't produce greenhouse gases, reducing air pollution and mitigating climate change.

Social: Solar panels can provide electricity to rural communities that are not connected to the national grid, improving their quality of life and access to information. 2.2 Environmental Impact Assessment (EIA): An EIA is a process of evaluating the likely environmental impacts of a proposed project or development, taking into account inter-related socio-economic, cultural and human-health impacts, both beneficial and adverse. It is a legal requirement for many large-scale projects in South Africa.

Example: Before building a new coal-fired power plant, Eskom must conduct an EI

A. This assessment will consider: Air pollution (emissions of sulfur dioxide, nitrogen oxides, and particulate matter) Water pollution (discharge of wastewater into rivers and streams) Land use (destruction of habitats for the plant and associated infrastructure) Social impacts (displacement of communities, job creation) The EIA helps to identify potential problems and propose mitigation measures to reduce the negative impacts. 2.3 Social Implications of Technology: Technology can have profound effects on society, both positive and negative.

Job Creation: New technologies can create new industries and jobs. For example, the growth of the cell phone industry in South Africa has created jobs in manufacturing, sales, repair, and mobile application development.

Job Displacement: Automation and technological advancements can lead to job losses in certain sectors. For example, the introduction of automated teller machines (ATMs) has reduced the need for bank tellers.

Access to Information: Technology can improve access to information and education. The internet has made a vast amount of information available to people around the world.

However, the digital divide (the gap between those who have access to technology and those who don't) can exacerbate inequalities. Many rural schools in South Africa lack proper internet access, hindering students' learning opportunities.

Ethical Considerations: As technologies advance, ethical considerations arise, such as privacy concerns related to data collection and the potential for bias in artificial intelligence algorithms. 2.4 Mitigation Strategies: Mitigation strategies are actions taken to reduce or eliminate the negative impacts of technology on the environment and society.

Renewable Energy: Transitioning from fossil fuels to renewable energy sources like solar, wind, and hydro power can reduce greenhouse gas emissions and air pollution. South Africa has abundant solar resources, making solar energy a viable alternative.

Sustainable Agriculture: Using farming practices that protect soil health, conserve water, and reduce the use of pesticides and fertilizers.

Waste Management: Implementing effective waste management systems that reduce landfill waste and promote recycling.

Regulation: Government regulations can play a role in setting standards for environmental protection and worker safety.

Education and Awareness: Educating the public about the environmental and social impacts of technology can promote responsible consumption and behavior.

Example: Illegal mining (Zama Zamas) often poses extreme environmental hazards through improper disposal of mercury and the lack of proper land rehabilitation. Mitigation strategies include strict regulations on mining operations, implementing rehabilitation programs, and providing alternative economic opportunities for informal miners. Guided Practice (With Solutions)

Question 1: Define the term "digital divide" and explain how it affects South African communities.