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Video

Carbon country update

This five and a half minute video segment from Catalyst discusses the potential to manage controlled burning in Arnhem that reduces frequency of wildfires to provide other benefits. The potential to turn this into economic benefits from carbon trading is explored and the science investigations that will first be essential.

Video

Cracked soils

This brief video segment from Catalyst demonstrates how scientists have developed probes to measure the water content of soils and therefore monitor the effectiveness of irrigation and the efficiency of water usage.

Video

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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Rainforest fruit power

This ABC In Depth feature article discusses human potential use rainforest fruit-bearing plants and the need to maintain biodiversity. Many biotic interactions that effect reproduction and dispersal are described. Issues about using seed banks to try to maintain biodiversity are discussed.

Video

Dr Ove Goegh-Guldberg

This 5 minute video segment from Catalyst highlights the vulnerability of some of our ecosystems and the way abiotic factors can have a dramatic effect. It also exemplifies the difficult process of having new scientific ideas accepted.

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Treetop kangaroos

This ABC In Depth feature article includes everything you wanted or needed to know about tree kangaroos. This article describes their reproduction, classification, adaptations and issues relating to their conservation.

Interactive

Murray-Darling Basin Quiz

This is a ten question multiple choice quiz on student understanding of issues specific to the Murray-Darling Basin, but are examples of common Australian environmental problems resulting from human activities. This is a non-threatening activity that provides excellent explanations as feedback.

Video

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.

Interactive

Science Talk 2007: Tim Entwistle

An interview and tour of the Royal Botanic Gardens of Sydney and its herbarium with Dr Tim Entwistle, a plant scientist and the NSW Government Botanist. Tim talks to a pre-service teacher from Macquarie University about his love of plants, in particular freshwater algae. In the herbarium we find out why it is so important ...

Online

ABS: agricultural resource management practices, Australia, 2011-12

This is a digital resource containing data on various agricultural practices used on Australian farms, and was collected in a 2011-2012 Australian Bureau of Statistics survey. This resource provides information about farming practices including pasture and crop cultivation, livestock and feral animal management, fertiliser ...

Interactive

Chicken farming in the living world: Stage 5

Chickens are fascinating animals and provide students with an interesting subject matter to discuss the many aspects of our living world. This interactive course for students explores the question 'How does the closed system of a chicken meat farm model the interactions, flow of energy and the cycling of matter through ...

Video

BTN: Curbing the carp population

Find out why European carp fish are called 'river rabbits' in Australia. Listen to how they came to Australia and what makes them such a pest now.Discover how a local entrepreneur is exploiting the new resource while scientists are doing their best to cap the carp population explosion.

Video

Catalyst: 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.

Video

Foreign Correspondent: The Mekong: A damming example

The government of Laos has plans for many revenue-raising dams along the Mekong River. Find out about a dam, the Nam Theun 2, which was completed in 2010 and lies across the Nam Theun river in the Nakai Plateau. This clip from the same year asks if the dam could be the flagship for others to be built along the Mekong. Discover ...

Video

Catalyst: Climate and bushfires in Australia

What can science tell us about the major cause of bushfires in Australia's past? How can it help us predict future bushfires? Two scientists discuss evidence related to bushfire regimes (bushfire patterns, types and intensity). Please note that this clip contains recent images of homes destroyed by fire that may disturb ...

Video

BTN: China's internal migration

For decades China has experienced a mass migration of people from rural to urban areas. This large-scale movement of people is putting pressure on the resources and facilities of cities such as Shanghai. Watch this clip, first broadcast in 1993, to find out the reasons for China's internal migration and the challenges it ...

Interactive

Sites2See: Insects and Spiders

This page links to a range of materials from the Australian Museums' Bugwise program, with additional materials and activities, including a resource about invertebrates in freshwater.

Video

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.

Interactive

Is there a salty fresh fruit?

All of us have tasted fresh fruits: sweet oranges, bitter gourds, sour plums. But is there a salty fresh fruit? In exploring the answer to this question, you will learn about fruit structure, their role and evolution.

Video

Aerial Orang Utans

This 11 minute video segment form Catalyst shows that although the orang-utans of Borneo are threatened with extinction, we don't know exactly how many are left or where they are. The use of helicopters to locate their nests and estimate population size has helped to challenge our thinking about the requirements of this ...