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• TLF-IDM025061

There are already more people around the world who eat farmed fish than people who eat beef. With the world's population and demand for food increasing, why is it so important for us to farm sustainably? One fishery near Kakadu in the Northern Territory practises sustainable farming. Find out what makes this farm so sustainable.

• TLF-IDM017453

Sydney is already Australia's largest city but the outlook is for an increasing population and continuous growth. Looking toward the planning horizon of 2031, a recent government plan has pleased some sections of the community, but it is not without its critics. In this clip from March 2013, see how the state government ...

• TLF-IDM020038

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

• TLF-IDM025369

Among the 420,000 Australians who served in World War I, 300 people were of Chinese descent. This was in spite of the introduction of the Commonwealth Defence Act in 1909, which stated that soldiers had to be of "substantially European origin". George Lee Kim was one such soldier. He received the Military Medal for his ...

• TLF-IDM019420

The city of Angkor was the centre of the mighty Khmer Empire for five hundred years, beginning around 900 CE. It was not only one of the most populous cities in the world, it featured some of the most sophisticated architecture and infrastructure, particularly in regards to water distribution. In this beautiful animation, ...

• TLF-IDM021144

Join Catalyst reporter Anja Taylor as she visits the Jemez Mountains in New Mexico and discovers the impacts of recent megafires on the landscape there. What is a megafire? And how is a megafire different from a regular wildfire? How have recent fires permanently transformed the landscapes that Anja and Professor Craig ...

• TLF-IDM021198

This 6 minute video explains how agriculture drove change and why humans took the risk of abandoning foraging. As farming technologies improved, populations increased, which led to the growth of villages and then cities. This in turn enabled collective learning, so that farming regions got a head start on other regions. ...

• TLF-IDM021196

This 10 minute video in 3 parts offers an overview of the growth of information networks through developments in the technologies of communication and transportation. Part 1 discusses how writing, inventions of paper and printing improved communication between societies and the development of transport and courier systems ...

• TLF-IDM021191

This 10 minute video in three parts offers an overview of the development of the agrarian civilisations in the ancient world. Part 1 looks at how, as peasant villages spread, farmers developed more productive methods of farming, particularly the use of large animals for ploughing and transport, and irrigation. Part 2 looks ...

• TLF-IDM021195

This short video offers an overview of why civilisations expanded, by looking at the past for commonalities and patterns. The need to expand is one such pattern with massive empires growing then collapsing. Expansion was necessary to pay for increasing infrastructure, government and the military, and internal resources ...