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• TLF-IDM017448

The Mekong is the largest freshwater fishery in the world; however, this may be about to change. Discover in this 2010 clip how migration of fish species along the lower Mekong may be impeded by the proposed construction of dams along this mighty river. Do the economic benefits of the dam outweigh the potential loss of ...

• TLF-IDM025064

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?

• TLF-IDM015732

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.

• TLF-IDM019365

This is a video that defines and explores the concept of food security using animated illustrations, spoken commentary, and pauses for discussion. Identifying the accelerating growth of population and the proportion of people who are chronically hungry, it provides the United Nation's definition of food security and its ...

• TLF-IDM015396

Seventy percent of Perth's water comes from underground. Imagine what would happen if that source of water dried up. It's a real possibility if the impact of the climate and human activity is not carefully managed. Watch as scientists show what causes groundwater levels to fall and the effect that has on the Earth's ecosystems. ...

• TLF-IDM017475

The Yucatán Peninsula is located in south-eastern Mexico and covers a vast area of coastline south of the Gulf of Mexico. It is a popular tourist destination for people who travel to cities such as Cancún to enjoy sandy white beaches. Explore the subterranean freshwater caverns of this region and discover why this pristine ...

• TLF-IDM017748

Are we headed for food shortages in the future? Many scientists say that food production is becoming a critical issue and that Australia has a part to play in securing food for the world's future. As you watch this clip from 2013, find out how past strategies dealt with the food security issue, and learn about our plans ...

• TLF-IDM025163

When Sir Thomas Mitchell and Sir George Grey explored unknown regions of Australia in the 19th century, they found sophisticated examples of agriculture practised by Indigenous peoples. Writer Bruce Pascoe considers why Aboriginal agriculture, economy and civilisation were not taught to generations of Australians. Do you ...

• TLF-IDM019421

What are the dangers of relying on one historical source for an understanding of an ancient society? How important is it for historians to verify information? In this animation of one of history's most significant documents, Zhou Dugaun's 'A Record of Cambodia: the land and its People', consider the reliability of Zhou's ...

• TLF-IDM017986

We hear a lot about water use in Australia. What are the real statistics about water use? What is the breakdown of water use for different groups across Australia? Watch this clip to find out who uses water and how much, and consider the value of water and the 'return' on this use for the Australian economy. The figures ...