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Geography / Year 10 / Geographical Knowledge and Understanding / Unit 1: Environmental change and management

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Human-induced environmental changes that challenge sustainability (ACHGK070)

Elaborations
  • discussing the concept of sustainability in relation to environmental functions
  • identifying human-induced environmental changes (for example, water and atmospheric pollution; loss of biodiversity; degradation of land, inland and coastal aquatic environments) and discussing the challenges they pose for sustainability
  • evaluating the concept of ecosystem services and the importance of these services for sustainability of biodiversity
General capabilities
  • Critical and creative thinking Critical and creative thinking
  • Ethical understanding Ethical understanding
Cross-curriculum priorities
ScOT terms

Human impact,  Pollution,  Environmental sustainability,  Climate change,  Biogeochemical cycles,  Biodiversity

Video

Carbon sinks release carbon dioxide

Carbon from the atmosphere can be taken up and stored in oceans, soils and trees. These are known as carbon sinks. This clip will help you to appreciate where and how carbon is stored, and the way human actions can result in releasing carbon to the atmosphere. It is all about the carbon cycle.

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Manta rays indicate health of coral reefs

Coral reefs are the second most endangered species on the planet. Meet a group of researchers who are tracking individual manta rays to help them assess the health of Australia's reef ecosystem. Find out how the manta ray can be used as a bioindicator for the health of the reef. See how scientists identify individual manta ...

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Ocean change affects symbiotic relationship

Polyps are the miniature architects of coral reefs. Find out about the relationship between polyps and an alga, Zooxanthellae. How does each benefit and what causes the coral to eject the Zooxanthellae with often devastating results? View the clip to find out.

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Time to act on climate change

Could human activities push the Earth's climate to breaking point? Find out why concentrations of atmospheric carbon dioxide are reaching critical levels and how we can lessen future climate change. View some of the evidence and claims presented in this clip.

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Fire's role in the Australian environment

Fire: friend or enemy? In southern Australia, prescribed (controlled) burns aim to lessen fuel loads and to protect towns and cities. In 2010, a Victorian Royal Commission recommended an increase in prescribed burns, but they remain controversial. During this clip a prominent historian speaks about the pattern of burning ...

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How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

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Damming the free and mighty Mekong

The Mekong has been a rare thing: a largely untouched and free-flowing river. Stretching for nearly 5,000 km from the mountains of Tibet to Vietnam's Mekong Delta, it has provided a way of life for millions of people and been an important trading route between south-western China and south-eastern Asia. In this clip from ...

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Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

Video

Renewable energy islands

Do you know what an energy island is? Watch this clip to find out what it is, who is working to create one, and how it will produce renewable energy. As well as interviews with its Australian co-inventor and a CSIRO oceanographer, you will see computer-generated models of an energy island and how it will work.

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Murrumbidgee irrigation: water sustainability

The Murrumbidgee Irrigation Area (MIA) is a highly productive region of NSW that produces food and fibre. Farming enterprises of the region depend on water allocations. This clip from late in 2012 presents the possibility of threats to those allocations as a result of the Murray-Darling Basin Plan. Hear industry experts ...

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Wild rivers conundrum

Whether to develop or conserve is a common dilemma across the Australian landscape, and opinions are divided on the issue of Queensland's Wild Rivers legislation. The state government is considering a repeal of this legislation, which protects a number of important river catchments.

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What is a mass extinction?

Are we on the verge of a mass extinction event? This BTN explainer shows us what scientists mean by a mass extinction and looks at previous mass extinctions on planet earth. 

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The environmental price of China's growth

The world has marvelled at China's recent economic growth. Growth has, however, come at a price. China is the one of the world's largest emitters of greenhouse gases due to its heavy dependence on coal-fired power. As you will see in this clip, there are some people in China who deny that the nation has a pollution problem, ...

Video

Join the Numbat Taskforce!

Numbats are native Australian marsupials that can be found in Western Australia and South Australia. Unfortunately, their numbers are declining rapidly. What are the causes? What can we do to combat this and protect these unique Australian animals? Find out what one community group, the Numbat Taskforce, is doing to help ...

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Interconnectedness of land and sea

There are many ways in which land and sea are connected. Learn how the waste we produce on land has huge consequences on marine life and other animals that depend on the sea. How does this waste come back to impact us on land? Did you know phytoplankton is not only responsible for about 50 per cent of the air we breathe, ...

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Reef of life

This clip argues that every day the wellbeing of millions of people is dependent on the existence of healthy coral reefs. Through a stunning series of underwater videos and photographs find out more about current threats to coral reefs and how individual's actions on land can make a difference to the overall health of the ...

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Hawkesbury River: competing needs and river health

Why is the Hawkesbury-Nepean river catchment a useful example for an exploration of river management issues? The needs of agriculture, horticulture and fishing are balanced with the maintenance of river health. In this clip, see how farmers and local landcare groups work with the catchment management authority to remove ...

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Exporting uranium and threats to the Reef

The Great Barrier Reef is facing many threats, and a new uranium mine in Queensland might add to the pressure. This clip from early in 2013 looks at what uranium exports from a proposed uranium port in Townsville could mean for the Reef. It presents views about the management of pressures placed on this World Heritage Site ...

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Proposed coal mine raises environmental issues

Explore the possible benefits and impacts to the environment and community of a proposed new coal mine, called the Wallarah 2 Coal Project. In this clip from late June 2013, find out some viewpoints that landowners, community members, mine representatives and politicians present about the proposed underground mine.

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Global assessment of ecosystems

Have you heard of a global warning system for ecosystems? Watch this clip to find out about a system for assessing all the ecosystems around the world - and what it means for Australia. You will find out about the Murray-Darling Basin and other important Australian ecosystems, as well as the status of the Aral Sea in Central Asia.