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Listed under:  Science  >  Life  >  Ecosystems  >  Biogeochemical cycles
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Carbon capture and storage

Is carbon capture and storage (CCS) the solution to climate change? CCS technology captures carbon dioxide from the flue gases of coal burning power plants and takes it to long-term storage. The coal industry has high hopes that pumping the liquefied gas into underground reservoirs, or geo-sequestration, will provide safe ...

Interactive Resource

Environmental forensics at sea

The main screen shows a marine environment and research boat against a background of coastal hills and a fiord. There are two entry points for investigation: Phytoplankton clues and Sediment cores, containing five interviews with a scientist explaining how science investigations can be used as a forensic tool to investigate ...

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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.

Interactive resource

The Circle: Antarctic issues

Explore how human activities impact on the Antarctic ecosystem. Compare opinions on climate change, the ozone hole and whaling. This learning object is one in a series of eight learning objects.

Video

The New Inventors - Series 1 Episode 8, 2004: Modern alchemy

This clip shows a segment from the television series 'The New Inventors' featuring an inventor, John Walker, who describes two of his inventions - the TumbleTainer and the VermiTainer, which together turn landfill into compost. The clip shows the TumbleTainer (a very large container that is rotated mechanically), a bio-filter ...

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Redworm on soil

This is a colour photograph of a redworm or tiger worm ('Eisenia foetida') lying on the soil surface. The worm is reddish brown with prominent darker bands on the body. There is a white girdle-like structure towards one end of the body. The worm does not have a clearly defined head or tail.

Teacher resource

Photosynthesis and respiration: teacher resource

This teacher resource provides a range of possible activities that cover aspects of the science continuum for the flow of energy and flow of matter in an ecosystem. This teaching resource provides a range of classroom activities that explore the concept of the flow of energy and flow of matter in an ecosystem, specifically ...

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Apple and orange with rotten parts

This photograph shows a golden delicious apple and an orange. The apple has a soft, brown rotten portion. The rotting section of the orange is green with a white centre.

Teacher resource

Photosynthesis and respiration: learning sequence

This learning sequence introduces photosynthesis and respiration. Students explore the roles of photosynthesis and respiration. They compare the differences between these two processes. They explain how energy moves through an ecosystem and some implications of the carbon cycle.

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'Watersmart: garden and homes rebate scheme' brochure, 2003

This is a colour brochure promoting domestic water conservation in gardens and homes. It was published by the Victorian Department of Sustainability and Environment in October 2003. The cover shows a man selecting a water-efficient showerhead, and a woman in the background also looking at showerheads. Text on the cover ...

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New tools to explore the frozen frontier

Scientists are using drones and robots to help them understand more about Antarctic ice. See how the use of these technologies is not only safer but much faster and more efficient.

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Supporting sustainable farming

Consider the vast land that is Australia. How might we, as a community, help to keep our land sustainable? Explore the ideas put forward by Professor Peter Cullen and Dr John Williams in response to the continuing drought conditions of 2003. What role could city dwellers play so that farmers could better care for the land?

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Seals help climate research

Discover how seals are helping scientists study Antarctica, polar regions, oceans and climate change. Scientists use Weddell and southern elephant seals to gather data and monitor the way currents move heat around the world's oceans.

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Turning stormwater into groundwater

Imagine how much your life would change if your water supply ran out. Yet, when it rains, so much water is lost as it runs into stormwater drains. Watch as scientists talk about re-directing stormwater to recharge a groundwater aquifer. Listen as they describe how they can use a natural system to remove contaminants from ...

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Managing groundwater for tomorrow

Seventy percent of Perth's water comes from underground. Imagine what would happen if that source of water dried up. It's a real possibility if the impact of the climate and human activity is not carefully managed. Watch as scientists show what causes groundwater levels to fall and the effect that has on the Earth's ecosystems. ...

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Chemical pollutants toxic to whales

Explore how chemical pollutants affect the Antarctic food web. A scientist shows that baleen whales are consuming Antarctic krill contaminated by accumulated residues of persistent organic pollutants (POPs) from pesticides and industrial chemicals. Find out why these pollutants are concentrated at the Earth's polar regions.

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Scientists working with farmers

What is the link between science and farming? Watch a high-tech computer application that lifts farm productivity and profitability. Discover how important new technologies have become for farmers as the agricultural industry cries out for more trained scientists.

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Harvesting stormwater

Imagine turning stormwater into drinking water by using the natural processes of the earth to remove contaminants. Follow how one local council captures and delivers recycled stormwater to homes and factories in a new estate. Learn how the government is encouraging other local councils to follow their lead to protect one ...

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'Water footprints' in food manufacturing

How much water does it take to produce a large packet of M&Ms? Watch as the 'water footprint' of some household products is presented and hear the concerns expressed about the methods used to calculate these footprints. Discover how an examination of the water used by the components of some manufactured foods has led to ...

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Seeding clouds to make rain and snow

Imagine if we could control the weather. Find out how scientists are already at work making clouds rain when and where they want. It's called cloud seeding. Watch this clip to understand how cloud seeding works, and where it is being used in Australia.