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• TLF-IDM017473

The Mesoamerican Reef, just off the shore of Mexico's Yucatán Peninsula, is under major threat. Listen to oceanographer Roberto Iglesias-Prieto explain how untreated wastewater affects the underground river system and the reef.

• TLF-IDM017684

We all know the idyllic paradise called Bali, but have you ever heard of its poorer neighbour, the Indonesian island of Sumba, where the people struggle to grow food to eat? Watch this clip to learn about environmental conditions and agricultural challenges there. Find out also what people in Sumba are doing to prepare ...

• TLF-IDM016451

This ABC In Depth feature article discusses human potential use rainforest fruit-bearing plants and the need to maintain biodiversity. Many biotic interactions that effect reproduction and dispersal are described. Issues about using seed banks to try to maintain biodiversity are discussed.

• TLF-IDM016578

This ABC In Depth feature article describes research on Australian white ibis - or 'tip turkeys' as many call them. They are regarded as a nuisance in cities, especially in the spring breeding season. But scientists fear they may become extinct as more pressure is put on the wetlands that are their native and adopted environments. ...

• TLF-IDM013818

This is a rich, multilayered resource about self-guided trips at eight Bush Heritage reserves across Australia. The resource provides information, images and maps about eight self-guided day trips or camping trips including: detailed information about the reserve; advice about the self-guided trip; when to visit; type of ...

• TLF-IDM017139

This is a digital resource containing information and resources, such as printable games, that relate to biodiversity and farming, and how food and materials can be produced while protecting the Earth's natural resources. It includes an extensive glossary of important terms, and external links to teacher and student resources ...

• TLF-IDM017472

Beneath the Yucatán Peninsula in south-eastern Mexico exists a karst aquifer, the largest underground river system in the world. Discover its deep caverns, which have been perfectly preserved for thousands of years, complete with prehistoric remains.

• TLF-IDM017570

Travel back in time in outback Australia and investigate the giant lumbering beasts of the past - the megafauna. Visit a fossil site in Cuddie Springs, New South Wales, where megafauna bones have been discovered. Explore the connection between Aboriginal peoples and megafauna, and theories for the extinction of Australia's ...

• TLF-IDM008845

This is a teaching unit, designed for year 10, aimed at engaging students in investigations about low-emission energy sources. A unit outline, teacher guidelines, student activity and an assessment task are provided.

• TLF-IDM013029

This is an article about Aboriginal shell middens along the Queensland coast and the information they provide about Aboriginal food collection practices. Written by Kudjala/Kalkadoon Elder from Queensland Letitia Murgha and intended mainly for teachers, it describes how shell middens were created over thousands of years ...