Search results

• TLF-IDM017242

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.

• TLF-IDM015951

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 ...

• TLF-IDM018491

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 ...

• TLF-IDM015398

Imagine the mighty Murray River as it flows through South Australia and reaches the sea. Explore the consequences of drought and human activity while listening to Graham Phillips describe the effects of the Coorong's increasing salinity and the the associated threat to Adelaide's supply of fresh water.

• TLF-IDM020222

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 ...

• TLF-IDM025383

Find out how carbon dioxide makes the Earth warmer, how oceans store heat and the way we can see climate history in ice. What are the consequences of changes in the global climate? What can we do as individuals and communities to stop these negative changes?

• TLF-IDM018381

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.

• TLF-IDM015952

How far would you be prepared to go in defence of a principle you felt strongly about? Enter a tent on the shores of doomed Lake Pedder in 1972 and listen to three determined people explain why they are protesting against the plan to flood Tasmania's Lake Pedder. The clip includes environmental activist Brenda Hean who ...

• TLF-IDM015483

Peter Rowsthorn visits Dr Deborah Kerr at the WA Institute of Sport to answer the question 'How long does it take to walk off a donut?' Join Pete as he walks, jogs, rows and swims to burn off the energy from a single iced donut. As Dr Kerr takes Pete through his paces, learn how metabolic rate and muscle mass affect weight gain.

• TLF-IDM015942

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?