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Four Corners: Radio pirates, 1973

Imagine life before mobile phones. In this 1973 clip from a Four Corners program, discover the lengths that many determined Australians were prepared to go to in order to communicate through the air waves from their cars and other locations. This was long before the invention of mobiles, video conferencing, social media ...

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Catalyst: E-waste, recycling, and sustainability

What happens to electronic waste (e-waste)? Watch this clip about the physics of recycling to find out the way that useful materials are captured from waste at a local materials recovery facility. Presenter Tanya Ha investigates e-waste, the products it comes from, and the sustainability challenges it poses.

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Magical Land of Oz: Koalas and climate change

The koala population in rural NSW has been declining over the years due to drought and heatwaves. What causes some of the temperature extremes experienced in this region? Dr Mella believes koalas normally get most of the moisture they need to stay hydrated from eucalyptus leaves. What has changed in recent years that means ...

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Nexus: Holden, the 'all-Australian car'

What made Holden cars symbols of Australia during the 1950s, 60s and 70s? During this period, more than any other vehicle, the Holden came to reflect changing lifestyles in Australia, and helped to define for many what it meant to be 'Australian'. Find out the impact that generations of Holden vehicles have had on the lives ...

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Foreign Correspondent: New dam, new house: The Mekong

The mighty Mekong river provides a way of life for millions of people, and is arguably the most important resource in the developing country of Laos. Discover how villagers are being relocated to make way for hydropower dams on this river, which stretches for nearly 5,000 kilometres from the mountains of Tibet to Vietnam. ...

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Catalyst: What are modular farms?

Modular farms are flexible and self-contained systems that allow you to grow herbs and vegetables without the need for soil or sunlight. What are some advantages of modular farms? What may be some of the disadvantages?

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NASA celebrates Aura's ten-year orbit!

Aura is a NASA satellite that in 2014 celebrated ten years orbiting Earth, collecting data about the planet's atmosphere and climate. Aura is helping scientists better understand global systems, including the composition of gases in the ozone layer, air pollution and climate change. Watch to learn more about this space ...

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Foreign Correspondent: Ethiopia's nomadic pastoralists doing it tough

In 2008, Ethiopia's famines just keep coming, fuelled by prolonged periods of drought, rising food prices and an increasing population. Listen to aid worker Valerie Browning in a program aired that year, as she describes how nomadic pastoralists living in the remote regions of Afar try to survive and make their livelihood ...

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Catalyst: Would you eat insects?

A lot of resources go into the production of beef. For example, 20 litres of water is needed to produce just 1 gram of beef. In order to produce food more sustainably to feed an ever-growing population, some alternatives to protein have been suggested. What are some of these alternatives? Do you think they will ever replace meat?

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Landline: Feeding the hungry in Timor-Leste

It is often hard for a developing country to grow enough food to feed its population. In this clip you'll see the challenges encountered by the growing nation of Timor-Leste (East Timor). Listen to an AusAID organiser and the East Timorese president describe the importance of food, and the heartbreak of a hungry nation.

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Understanding the causes of climate change

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

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Four Corners: Surfies, clubbies and a changing way of life

What effect did the rise of surfboard riding and its accompanying surf culture have on surf lifesaving? In the early 1960s, surf lifesaving was regarded as a model of the values that underpin the Australian way of life. This clip from 1964 explores the collision between the new surf culture and the traditions of the surf ...

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Reflections on ending the White Australia policy

Why was the abolition of the White Australia policy so important? Steps taken by the Whitlam Labor government in 1973 signalled the end of the legislation behind the policy. Find out which event first led to the new multiracial policy being put into practice. In this clip, you will hear from former prime ministers and ministers ...

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Daisies describe an ecosystem

Ecosystems are affected by many factors including increasing temperatures, which many scientists believe threaten natural systems on Earth today. This creative clip uses a theoretical world of black and white daisies to show how changes to the natural reflectivity of a planet's surface impacts temperatures and populations. ...

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Catalyst: Sustainable fish farming

There are already more people around the world who eat farmed fish than people who eat beef. With the world's population and demand for food increasing, why is it so important for us to farm sustainably? One fishery near Kakadu in the Northern Territory practises sustainable farming. Find out what makes this farm so sustainable.

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Show me the water!

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

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BTN: Food wastage

Do you know how much food industrialised nations, including Australia, throw away every year? Global population is set to reach over nine billion by 2050 which will increase demand for food by 70%. What do you think we can do to consume food more responsibly and sustainably? How might we re-direct food that would otherwise ...

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Objects through timeline: 50,000 years before present

This is a 26-page fact sheet that provides a comprehensive overview of migration to Australia from the first arrival of humans to 2006. It includes details about the major waves of international and internal migration, key events and policies, and individuals and groups that have made significant contributions to the development ...

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Sciencey: Will Australia have the last bees on Earth?

Bee populations around the world have started vanishing, in a process known as colony collapse disorder. Scientists have many ideas about what causes colony collapse, including one possible culprit: the varroa mite. Australia is one of the last places on Earth unaffected by varroa. Could this mean that Australia could have ...

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Catalyst: Why plants are good for liveable cities

Central Park in Sydney was voted the world's best tall building. It is known for the plants in its beautiful vertical gardens which cover its surfaces, but did you know that the garden is not purely decorative? Watch this video to find out what other purpose the vertical garden has.