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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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Argo floats

This minute video segment from Catalyst decade ago describes the Australian initiative, Argo, that has become a major international collaborative project to look at the world's oceans and help understand processes at depth - monitoring the pulse of the global heat balance and giving us vital information on the ocean's role ...

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Professor Penny Sackett

This 5 minute video segment from Catalyst describes the role of Australia's Chief Scientist using Professor Penny Sackett as an example from 2009.

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Weekend Magazine Chinese Australian community 1972 video

What was life like for people of Chinese origin living in Australia in 1972? This ABC Weekend Magazine program reports on life in Melbourne's Chinese community and examines how people have adopted the 'Australian way of life' while attempting to maintain aspects of their own rich cultural heritage.

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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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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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ABC News: Getting your facts straight about water use

We hear a lot about water use in Australia. What are the real statistics about water use? What is the breakdown of water use for different groups across Australia? Watch this clip to find out who uses water and how much, and consider the value of water and the 'return' on this use for the Australian economy. The figures ...

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Uranium Minerals

This 7 minute video segment from Catalyst describes how a unique deposit of beautiful crystals containing a high quantity of uranium in a safe form has been found in country Victoria. It is hoped that it may provide clues for the long term storage of nuclear waste.

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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 ...

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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 ...

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Foreign Correspondent: Mesoamerican Reef threatened

The Mesoamerican Reef, just off the shore of Mexico's Yucatán Peninsula, is under major threat. Listen to oceanographer Roberto Iglesias-Prieto explain how untreated wastewater affects the underground river system and the reef.

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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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Science for a hungry world

How vital is water to food production? What would happen if we ran out of readily available water? This is a real possibility for some countries that rely heavily on groundwater to grow crops and sustain local population. By observing the gravity of the Earth, NASA satellites have been able to track the changes in the amount ...

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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?

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Bali and Sumba: Paradise versus poverty

We all know the idyllic paradise called Bali, but have you ever heard of its poorer neighbour, the Indonesian island of Sumba, where the people struggle to grow food to eat? Watch this clip to learn about environmental conditions and agricultural challenges there. Find out also what people in Sumba are doing to prepare ...

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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 ...

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Rob Harcourt

This 6 minute video segment from Catalyst highlights a number of diverse investigations that are part of the work of a marine biologist. It uses an incredible collection of photographs to inform and inspire people about conservation.

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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 ...