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      Your search returned 99 results

      Listed under:  Science  >  Environmental management  >  Environmental impact  >  Human impact
      Video

      ABC News: Disease threatens fish

      • TLF-IDM015397

      Imagine what would happen if a deadly fish disease found its way into Australia's biggest river system. Watch this clip to learn more about a disease threatening the ecology of the Murray-Darling River. Scientist, Professor Richard Whittington, explains that the disease could be the final straw for an endangered Australian ...

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      Video

      Landline: Spinifex research

      • TLF-IDM015668

      What does spinifex grass contain that might prove useful in modern buildings? Watch this clip and discover how Aboriginal knowledge, combined with Western science, is unlocking the potential of spinifex. Find out about this natural resource and how it could become a new, sustainable material for the building industry.

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      Video

      Sacred fig tree lone survivor video

      • TLF-IDM018388

      Warrgamay elder Bill Morganson visits a sacred meeting place for his people - the last giant fig tree in the Herbert River Valley, north Queensland. He explains how trees like this were used by Warrgamay people and why this surviving fig has such value.

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      Video

      Four Corners: Industrialisation versus conservation

      • TLF-IDM016006

      The conflict between industry and conservation is not a new one. This clip, taken from a 1973 Four Corners program, highlights the conflict between those wishing to preserve Australia's natural environment and those representing industrial interests. Industry is shown to be spending millions of dollars to prevent pollution. ...

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      Video

      Kids in the Garden, Ep 9: Vegetable gardens

      • TLF-IDM015627

      Have you ever grown vegetables? In this clip you will discover many things about vegies and how they grow. Presenter Nick Hardcastle will even show you how to make a vegetable garden in a box. Find out which vegetable is actually a flower, which are the best seasons for planting and picking, and how deep to bury seeds.

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      Video

      Understanding the causes of climate change

      • TLF-IDM020685

      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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      Video

      Catalyst: Coorong salinity

      • 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.

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      Video

      Foreign Correspondent: New dam, new house: The Mekong

      • TLF-IDM018495

      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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      Video

      Scientists study suburban microbats

      • TLF-IDM015392

      Discover the tiny bats that live in Australian backyards in urban areas, including large cities. Watch this clip to learn more about these elusive Australian mammals, and to find out about a large-scale survey undertaken in Melbourne. Scientist, Dr Rodney van der Ree, addresses a group of volunteers in the field and explains ...

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      Video

      Catalyst: Chemical pollutants toxic to whales

      • TLF-IDM015401

      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.

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      Video

      Quantum: Tidal power

      • TLF-IDM015386

      Journey to Bathurst Island where strong tidal currents can be found in the Apsley Strait. Observe how the Nguiu community is investigating the use of tidal power to provide their electricity needs instead of using non-renewable and expensive fossil fuels.

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      Video

      Kids in the Garden, Ep 11: Who are the creatures living in your garden?

      • TLF-IDM015721

      See creepy crawly creatures as you've never seen them before. Discover how important wild creatures are to the health of gardens. Find out how you can entice a wide variety of creatures to a garden you know well!

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      Video

      Elliot and the Surfing Scientist: Temperature changes the properties of a substance

      • TLF-IDM015709

      Substances that are very cold have different properties to substances that are hot. Watch as the Surfing Scientist uses hot and cold water, food colouring and a fish tank to demonstrate what happens when water at different temperatures is mixed together.

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      Video

      ABC News: Supporting sustainable farming

      • 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?

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      Video

      Foreign Correspondent: The Mekong: A damming example

      • 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 ...

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      Video

      Catalyst: Quoll rescue

      • TLF-IDM016022

      Discover what threatens a native Australian predator and how scientists are hoping to save it from extinction. This clip about quolls in the Northern Territory describes the causes of its decline and a rescue strategy to save it from extinction. The strategy has a surprising twist - it features the very thing that is threatening ...

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      Video

      Foreign Correspondent: Bali - tourism and development

      • TLF-IDM017315

      Bali, a world-renowned slice of paradise in Indonesia, is undergoing rapid development to accommodate the increase in foreign tourism. Tourism brings money but it also drives up prices and affects the environment. View this clip to explore the issues experienced by those living in paradise.

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      Video

      Stateline: Saving the northern hairy-nosed wombat

      • TLF-IDM015367

      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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      Video

      Catalyst: E-waste, recycling, and sustainability

      • 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.

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      Video

      Catalyst: Aboriginal fire knowledge reduces greenhouse gases

      • TLF-IDM015379

      Come on an eye-opening trip to Western Arnhem Land in northern Australia to find out how Aboriginal fire-control techniques are used to reduce greenhouse gas emissions by thousands of tonnes.On the trip you will also find out how exploding ping-pong balls are used to create low greenhouse gas firebreaks at the right time ...

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