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Listed under:  Science  >  Environmental management
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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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ABC News: Life on the land for Italian migrants, 1958

Imagine leaving your family behind for years while you set yourself up in a new country. This was the life for many Europeans who migrated to Australia. The clip explores life for the Galluzzo family, Italians who came to live in semi-rural areas around Sydney in the 1950s.

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This Day Tonight: Lake Pedder's future, 1972

How do you measure the worth of a beautiful natural site - in terms of the hydro-electric power it can produce or the beauty, stillness and grandeur that it affords people who visit? This 1972 clip from 'This Day Tonight' focuses on the physical and aesthetic attributes of Tasmania's Lake Pedder. Reporter Peter Ross stands ...

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ABC News: Supporting sustainable farming

Consider the vast land that is Australia. How might we, as a community, help to keep our land sustainable? Explore the ideas put forward by Professor Peter Cullen and Dr John Williams in response to the continuing drought conditions of 2003. What role could city dwellers play so that farmers could better care for the land?

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Foreign Correspondent: Siberian tigers

Imagine a world where the only place Siberian tigers lived was in captivity. Watch this clip to learn more about the natural habitat of Siberian tigers and the things that threaten their survival in the wild. Chinese scientists are breeding this endangered species in captivity and zoologist, Liu Dan, explains his hope that ...

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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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BTN: Seeding clouds to make rain and snow

Imagine if we could control the weather. Find out how scientists are already at work making clouds rain when and where they want. It's called cloud seeding. Watch this clip to understand how cloud seeding works, and where it is being used in Australia.

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Radio National: Indigenous perspective on sustainability

Find out about some Indigenous sustainability practices and perspectives on land management in this audio interview with a spokesperson from the 2007 Caring for Country conference. Listen as he explains how traditional knowledge of the land and cultural significance guide Aboriginal environmental sustainability. Also discover ...

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Walking on Aboriginal land

Benjamin Church works for the Royal Botanic Gardens Victoria. Watch as Ben welcomes visitors through the Welcome to Country ceremony. Why do people place leaves in the fire? What does that signify? As Ben takes his visitors through the Royal Botanic Gardens, he explains the importance of land to Aboriginal people.

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Birds and totems

Yuin, Bunurong and Tasmanian man Bruce Pascoe shares his delight in encountering birds on Country. Bruce explains the significance of Umburra, or black duck, and his obligation to care for the species. Bruce explains that his brothers and sisters look after other animals, such as kangaroos, bream, wallabies, flathead and ...

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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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Catalyst: River porpoise rescue

Can you imagine seeing porpoises leaping out of the water in a river near you? Sounds unlikely, doesn't it, but that's what people living along the banks of the Yangtze River in China often used to see. These Yangtze finless porpoises are now rapidly disappearing. Find out why and what Chinese scientist Professor Wang Ding ...

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For the Juniors: Ways to catch and eat fish

Discover the many ways that people eat fish. Watch how the fish called tuna are caught and made ready for sale. Find out how some tuna is farmed and how the tuna farmer meets the needs of these tuna.

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Food for thought

Food security, or sufficient access to safe and nutritious food, is of rising global concern. Watch this animated clip to discover the main problems facing food security, and to see some suggestions for solutions that might incorporate strategies like waste management practices and emerging technologies.

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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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For the Juniors: Growing rice

What is your favourite way to eat rice? This clip shows how rice is planted, grown and harvested in many different countries (places in the world). View the different foods made with rice.

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Stateline: Saving the northern hairy-nosed wombat

Just what is going on with the northern hairy-nosed wombat? Find out why scientists are working hard to understand more about this elusive Australian mammal. Watch this clip to find out about the ecology of this wombat species and to view some field and laboratory research aimed at saving it. You will also see some footage ...

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Elliot and the Surfing Scientist: Shrinking and expanding metals

Explore with the Surfing Scientist team what happens when metals are heated and cooled. Find out what happens to a metal ring when it is immersed in extremely cold liquid nitrogen. What do hinges on the Sydney Harbour Bridge have to do with all this? Find out.

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Meet the Fremantle Port Hostesses

In the 1960s, Marie Novak and Pauline Noble worked for the Fremantle Port Authority as hostesses, welcoming new migrants who arrived by ship. Why were hostesses needed? How do Marie and Pauline describe their time as hostesses? Compare the migration experiences of Marie's and Pauline's families. How did their backgrounds ...

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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.