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Listed under:  Science  >  Earth and space  >  Atmosphere  >  Climate  >  Climate change
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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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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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Catalyst: Growing avocados

Demand for certain kinds of food changes with time as people's tastes change. Avocados were not always popular, but in recent years their popularity has increased so much that supply cannot keep up with demand. Learn how stem cell scientists at the University of Queensland are leading the way in research that could cut ...

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Four Corners: Surf story

Imagine riding a big wave on a surfboard back in the days when surfboard riding was the newest craze to hit Australia. At that time, many teenagers believed that surfing represented a whole new way of life. This Four Corners program from the early 1960s investigates the impact of the rise of the surfboard and surfing culture ...

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Five Australians: Charles Perkins fights for racial equality

Why is Charles Perkins remembered as a significant leader in the struggle for the rights of Aboriginal and Torres Strait Islander peoples? In this clip, he looks back on two campaigns that brought him to public attention in the 1960s and were part of a wider struggle to end racial discrimination in Australia. This clip ...

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Four Corners: Ecological effects of bushfires

Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

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Catalyst: Geoengineering - a solution to climate change?

What is geoengineering, and how is it being investigated by scientists as a means of combating climate change? Learn about some climate control techniques that could slow down or even reverse the effects of global warming. Hear an atmospheric physicist explain the pros and cons of geoengineering techniques.

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Catalyst: Impact of coming to school on carbon emissions

How big is your carbon footprint as you travel to and from school? Watch Daniel O'Doherty, 2008 'Action Against Climate Change' Eureka Schools Prize winner, as he determines his hypothesis then designs and conducts a study about carbon emissions. Listen to the recommendations he makes to reduce and offset the emissions ...

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Foreign Correspondent: Damming the free and mighty Mekong

The Mekong has been a rare thing: a largely untouched and free-flowing river. Stretching for nearly 5,000 km from the mountains of Tibet to Vietnam's Mekong Delta, it has provided a way of life for millions of people and been an important trading route between south-western China and south-eastern Asia. In this clip from ...

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Four Corners: Surf culture hits Australia in the 1960s

How did surf culture change Australian popular culture? Rock music and the concept of the 'teenager' had arrived in Australia in the 1950s but in the 1960s the surfboard gave rise to a new youth subculture. This clip from 1964 explores conflict in the water and cultural changes that came with the rise of the 'surfie'.

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Weekend Magazine: The Stomp, a 1960s dance craze

Imagine a dance so simple it could be learnt in minutes and so popular it became a craze. This clip from a Weekend Magazine program screened in 1963 looks at such a dance. It was called the Stomp and it was pounded out in surf clubs and council halls around Australia's coast. Watch and listen as teenagers express their ...

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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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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: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

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Catalyst: Plants and increased levels of carbon dioxide

We know that most plants use carbon dioxide to make their own food. So what might plants look like in 100 years if carbon dioxide levels continue to increase - will they become enormous and overtake our backyards? View the possible effects of changes in atmospheric carbon dioxide on plants and, in turn, humans and other animals.

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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 ...

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Landline: Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

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Catalyst: How high will sea levels rise?

Much of the world’s population will eventually have to deal with the consequences of sea-level rise, but the question is: how high will the water get? Dr Graham Phillips investigates how scientists are turning to the distant past to predict the impact of rising sea levels. Watch scientists explore 120,000-year-old coastlines, ...

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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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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 ...