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Listed under:  Science  >  Life  >  Ecosystems  >  Biogeochemical cycles  >  Water cycle
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Foreign Correspondent: Damming the free and mighty Mekong

The Mekong has been a rare thing: a largely untouched and free-flowing river. Stretching for nearly 5,000 km from the mountains of Tibet to Vietnam's Mekong Delta, it has provided a way of life for millions of people and been an important trading route between south-western China and south-eastern Asia. In this clip from ...

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Global change - iTunes app

Explores the global carbon and water cycles as well as the role that plants play in these cycles with particular emphasis on the stomata in the leaves. Also looks at human impact on these cycles and the climate. Includes videos, simulations showing changes over time, graphs, maps and a detailed glossary section. Free when ...

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Sites2See – water education

Resources and information on water as a human right, global water equality, water management and water consumption, with a range of teacher resources for water education.

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The water cycle in the Murray-Darling Basin

This 12 minute video explains the water cycle in the context of the Murray Darling Basin and the great variability in rainfall in the region causing frequent floods and droughts. It highlights the importance of the rivers in the Murray Darling Basin for agriculture, environmental health, water supply, habitat for migratory ...

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Catalyst: Chemical pollutants toxic to whales

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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Foreign Correspondent: The Mekong: A damming example

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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Where does water go after it rains?

What happens to rainfall in Australia? Water usually flows downhill, and because we know where the hills are, scientists have been able to divide the country into drainage divisions, or catchments. Find out which drainage division you're in, and learn what happens to rainwater that doesn't make it to the sea. |Learn more ...

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Foreign Correspondent: Cenotes

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 ...

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Renewable Energy Sources - Google Play app

Find out about renewable energies such as wind, water, solar and biomass energy including how they provide energy, development of energy technology and environmental impacts in the electronic book. scientists and inventors involved. Explore some real-world engineering feats involved in producing today's energy supplies, ...

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Renewable Energy Sources - iTunes app

Find out about renewable energies such as wind, water, solar and biomass energy including how they provide energy, development of energy technology and environmental impacts in the electronic book. scientists and inventors involved. Explore some real-world engineering feats involved in producing today's energy supplies, ...

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Food production in the Murray-Darling Basin

This thirteen and a half minute video highlights the importance of food and fibre production in the Murray Darling Basin. It explores the perspective of the farm families involved in both irrigated and dryland farming and explains how their products are distributed to local, national and global markets. This video also ...

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Returning water to Hattah Lakes

The two short videos in this series highlight the value of Hattah Lakes and the importance of ensuring that sufficient water replenishes the lakes during dry times. The videos explain how dams and weirs upstream store flood water that would otherwise fill the lakes. A collaborative engineering project reduced the environmental ...

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Foreign Correspondent: Mesoamerican Reef threatened

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.

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Water quality and the Murray-Darling Basin

This lesson sequence examines the issue of water quality in the Murray-Darling Basin: why it is important, what are the indicators of water quality and ways to monitor water quality. It includes a teacher PowerPoint presentation, separate teacher notes and a student worksheet. This lesson sequence is one in a series exploring ...

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Sustainable Agriculture- Water management

This is a unit of work about the regeneration and sustainable management of a mixed family farm and the natural watercourse that flows through it. Focusing on Yan Yan Gurt West farm in Victoria, the unit takes the form of a geographical case study with a sequence of six student activities. They include: an introductory ...

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The water cycle in the Murray-Darling Basin

This lesson sequence introduces students to the water cycle or hydrological cycle in the context of the Murray-Darling Basin. It examines how the components of the water cycle are connected and contains four hands-on science investigations. Each lesson includes a teacher PowerPoint presentation, separate teacher notes and ...

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Farms have distinctive features: producer video

This is a video about action for sustainability on the Willalooka Pastoral Company's property in South Australia. Owner Thyne McGregor describes the natural characteristics of the extensive property in terms of its rainfall, soil quality and the Marcollat Watercourse. He tells how the property was originally cleared for ...

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Using water sustainably through science

This teacher resource is a sequence of activities for investigating water resources. The material assists with planning, implementing and assessing a study of how water resources are managed. It covers how water resources are used and shared, particularly by food producers; the impact of changing weather and climate; and ...

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Water: Our most precious resource

This study guide explores how Australian cattle and sheep farmers manage sustainable and efficient water use, including maintenance of healthy soils, moisture preservation, erosion and viable grazing systems. A range of articles and student activities explore the water cycle and ways in which farmers are using water saving ...

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ABC News: Getting your facts straight about water use

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 ...