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Weedy Seadragons

This five and a half minute video segment from Catalyst demonstrates how tagging is being used to study populations of sea dragons. The Weedy Seadragon is one of the most visually striking creatures in the sea but we still have a lot to learn about them.

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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: 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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Biomes that produce our food, industrial materials and fibre: producer video

This is a video about the mixed farming operations of Boonderoo Pastoral Company in South Australia. The farm is introduced by owner Lachie Seears who describes its size, family history and how region's Mediterranean climate allows him to diversify across a range of valuable commodities including Angus cattle, cross-breed ...

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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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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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Urbanisation and human wellbeing

This is an online resource looking at Jakarta, the capital of Indonesia, as an example of a megacity. It considers change and growth in Jakarta, reasons for urbanisation and examines some of the problems facing megacities such as inequality of wealth, as well as those specific to Jakarta, particularly its vulnerability ...

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Rabbit immunity

This 6 minute video segment from Catalyst covers a range of biological concepts associated with the history, impacts and methods of control of the introduced rabbit in Australia.

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ABC 7.30: Where do we build next?

Like many Australian cities, Melbourne has been growing rapidly. This clip from 2012 investigates debates about where Melbourne's urban growth should occur. While inner city areas are slowly being redeveloped, the outer suburbs continue to sprawl and their residents battle some serious issues.

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Catalyst: Megafauna fossils

Travel back in time in outback Australia and investigate the giant lumbering beasts of the past - the megafauna. Visit a fossil site in Cuddie Springs, New South Wales, where megafauna bones have been discovered. Explore the connection between Aboriginal peoples and megafauna, and theories for the extinction of Australia's ...

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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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Management of the northern savanna

Around the world, tropical savannas are in serious trouble. This clip from 2007 explores the use of Aboriginal technology for sustainable management of the environment in Australia's huge northern tropical savanna. Hear from two environmental scientists why traditional fire-management practices may reduce the incidence ...

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Borneo Live Reef Fish Trade

This nearly 13 minute video segment from Catalyst explains how Fisheries scientists warn that if fishing around the world continues at its current pace, more and more species will vanish. The coral triangle is one particular area where biodiversity is at risk, and the top predator appears to be humans.

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Sea Urchins

This 7 minute video segment from Catalyst describes an excellent example of how biologists have worked to investigate and solve a problem of an invading species of sea urchin that was devastating a marine ecosystem. The scientific approach to develop a biological control needed to rely on technologies such as radio tracking ...

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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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The different faces of Indonesia

Journey through Indonesia, our most populous neighbour - a nation of contradictions. Through the images in this clip, discover more about the people and the land, including population size, living conditions, education, internal migration, natural disasters, land management and international aid. How does Indonesia differ ...

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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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Too cold for cane toads

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

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Migrations and technological creativity

This 6 minute video discusses the migrations that occurred in the ancient world. It follows migration from Africa about 90,000 years ago, across all continents until the last migrations into the Americas about 15,000 years ago. The video explores the emergence of technologies and their impact on the environment including ...