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• TLF-IDA002846

We all have the power to help keep our coastlines, rivers, lakes, swamps, creeks, floodplains, billabongs and estuaries clean by diverting rubbish from our waterways. This can be done with regular clean-ups, picking up litter when you see it, and changing our behaviour such as limiting our use of single-use plastic. This ...

• TLF-IDA002838

Water is a precious resource, yet water is also wasted every day. This activity investigates water consumption and how you can reduce the amount of water wasted. OUTCOMES of this learning activity are for students to: understand the urban water cycle; learn different ways to reduce water usage; discover how much water is ...

• TLF-IDA002835

Water moves through the environment by the Water Cycle. This activity investigates the journey of a river through the catchment. It is part of a sequence of 5 individual learning activities designed to support understandings of catchment management. Follow water through the environment and explore the changes to water quality ...

• 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-IDM025065

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 ...

• TLF-IDM025067

A lot of resources go into the production of beef. For example, 20 litres of water is needed to produce just 1 gram of beef. In order to produce food more sustainably to feed an ever-growing population, some alternatives to protein have been suggested. What are some of these alternatives? Do you think they will ever replace meat?

• TLF-IDM025162

When did humans begin grinding seeds to make flour? Many people believe bread-making began in Egypt or Mesopotamia as long as 17,000 years ago. Archaeologists have recently found evidence that Indigenous Australians were producing flour 65,000 years ago. Were they the world’s first bakers?

• TLF-IDM015943

Can you imagine a farm with no water? What might happen to the animals and crops? This clip explains how important a water supply is for farmers. You will see some ways that farmers store water, which is especially important when there is limited or no rain.

• TLF-IDM017261

In 2008, Ethiopia's famines just keep coming, fuelled by prolonged periods of drought, rising food prices and an increasing population. Listen to aid worker Valerie Browning in a program aired that year, as she describes how nomadic pastoralists living in the remote regions of Afar try to survive and make their livelihood ...

• 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 ...