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Listed under:  Science  >  Earth and space  >  Atmosphere  >  Climate  >  Climate change
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Water recycling

This 11 minute video segment from Catalyst provides an excellent explanation of the processes involved in recycling sewage for an urban water supply. It also provides a range of opinions and concerns in an excellent debate on the topic.

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Forest learning: How is carbon stored?

This resource is a ten-page pdf produced by Forest and Wood Products Australia about the role forests play in reducing climate change. It includes sections on: properties of carbon; how carbon is cycled in ecosystems; the chemical formula for photosynthesis; and calculating CO2 stored in trees. The resource also includes ...

Audio

Chemicals on the Great Barrier Reef

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

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Foreign Correspondent: Prehistoric evidence

Beneath the Yucatán Peninsula in south-eastern Mexico exists a karst aquifer, the largest underground river system in the world. Discover its deep caverns, which have been perfectly preserved for thousands of years, complete with prehistoric remains.

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Landline: Improving crop production in Timor-Leste

Explore the challenges to basic survival that farmers in the agricultural regions of Timor-Leste (East Timor) face. Discover how the 'Seeds of Life' program works to improve the selection and planting of successful crops that have higher yields. See how these first steps are helping to address rural poverty in the nation.

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Solar thermal electricity

This program gives an update on research into solar thermal electricity. Liddell Power Station in the Hunter Valley, NSW is a hybrid power station using solar energy to pre-heat water and so reduce the use of coal and the production of carbon dioxide. Some scientists claim that harnessing the solar heat in an area 50km ...

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ABC News: Food security in Australia

How much food does Australia produce, and what does this mean for food security in Australia? Watch this clip to find out about the factors that influence food production and crop yields, and also about the role that science and technology play. How will future population growth affect global food production and security?

Interactive

Why is the ozone hole bigger in the less polluted southern hemisphere?

This article provides an excellent model of a scientific explanation. It addresses the question "if the atmosphere in the northern hemisphere is much more polluted than it is in the southern hemisphere, why is there an ozone hole in the south and not in the north?"

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Coal Gas

This 12 minute video segment from Catalyst outlines how for decades, scientists have worked to develop technologies that can unlock the energy from coal while reducing the risks of digging it up and burning it. Now entirely new industries are booming as they tap into coal seams either too gassy or too deep to be mined by ...

Interactive

What should I plant to balance my carbon footprint?

Discussion about the strategy if tree planting used to balance the impact of human activities and its effectiveness.

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Biodiversity and farming for a healthy planet

This is a digital resource containing information and resources, such as printable games, that relate to biodiversity and farming, and how food and materials can be produced while protecting the Earth's natural resources. It includes an extensive glossary of important terms, and external links to teacher and student resources ...

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Food and human wellbeing

This is an online resource about two contrasting Indonesian islands, Bali and Sumba, highlighting the inequalities that exist within Indonesia. The resource compares the rice and rainforests of Bali with the corn and savannah grasslands of the more remote, and less wealthy Sumba, and examines each in terms of the challenges ...

Online

The Murray-Darling Basin: an introduction

This lesson sequence is designed to introduce students to key aspects of the Murray-Darling Basin including the environment, geography, economy, people, history, water cycle and water management challenges. The lesson sequence includes a teacher PowerPoint presentation, separate teacher notes and a student worksheet. This ...

Online

Salinity and the Murray-Darling Basin

This lesson sequence examines salinity in the Murray-Darling Basin: the source of the salt, why it is a problem, how it is monitored and current management strategies. It includes a teacher PowerPoint presentation, separate teacher notes and a student worksheet. This lesson sequence is one in a series exploring aspects ...

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Running the rivers of the Murray-Darling Basin

This lesson sequence examines the role that river operators play in water resource management in the Murray-Darling Basin and explains how they direct water releases and track progress downstream for environmental watering and flood management. It includes a teacher PowerPoint presentation, separate teacher notes and a ...

Online

Locks, Weirs and Dams

This lesson sequence examines structures that are used by water resource managers in the Murray-Darling Basin including dams, locks, weirs, barrages, fishways, channels and levee banks and explores the positive and negative effects of river regulation. It includes a teacher PowerPoint presentation, separate teacher notes ...

Video

Out and about on farms: producer video

This is a video about the Willalooka Pastoral Company in South Australia and its annual cycle of cattle and sheep production. Narrated by owner Thyne McGregor, it shows the scale of the company's operations as he describes how its 10,000 ha size came about and how its five staff are deployed. He emphasises the importance ...

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Farms have distinctive features: producer video

This is a video about action for sustainability on the Willalooka Pastoral Company's property in South Australia. Owner Thyne McGregor describes the natural characteristics of the extensive property in terms of its rainfall, soil quality and the Marcollat Watercourse. He tells how the property was originally cleared for ...

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Exploring the production and marketing of seafood: producer video

This is a video about how wild-caught lobsters are processed for export and barramundi are farmed in two South Australian businesses. The first part is presented by Andrew Laurie, the owner of Sky Seafoods, who shows the work of the lobster fishermen who supply him and how the lobsters are processed. He describes how sustainability ...

Online

Digital stories of Immigration

This is a rich collection of digital stories about people who have immigrated to Victoria. The resource is presented in three sections: Introductory information; Story Objects; and Story Education Resources. There are 21 Story Objects that include images, videos, links, information, interviews and transcripts. There are ...