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Listed under:  Science  >  Earth and space  >  Atmosphere  >  Climate  >  Climate change
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Gaps and opportunities for perennial crops

This is a video about the scientific breeding of perennial crops as described at a 2013 workshop, 'Perennial crops for food security', held by the Food and Agriculture Organization (FAO). After giving the big picture regarding perennial crop research, the 16-minute video focuses on the breeding of perennial wheat and its ...

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Water management for poverty reduction

This is a three-minute animated video about the difference that access to motor pumps for irrigation can make to poor farming families' food security and livelihood. It aims to persuade viewers that irrigation technologies in Sub-Saharan Africa are a worthy investment. The video sets the scene by illustrating the importance ...

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ABC News: Sound waves measure ocean temperatures

View how scientists use underwater sound waves to measure ocean temperature changes in the Indian Ocean. The animations show how the technology called acoustic thermometry works. Australian scientists are working with a global network of 'listening posts' to monitor the long-term effects of climate change on ocean temperatures.

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Catalyst: Aboriginal fire knowledge reduces greenhouse gases

Come on an eye-opening trip to Western Arnhem Land in northern Australia to find out how Aboriginal fire-control techniques are used to reduce greenhouse gas emissions by thousands of tonnes.On the trip you will also find out how exploding ping-pong balls are used to create low greenhouse gas firebreaks at the right time ...

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Four Corners: Ecological effects of bushfires

Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

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Foreign Correspondent: Sustainable tourism

The Yucatán Peninsula in south-eastern Mexico is a popular tourist destination. This clip focuses on examples of sustainable tourism - tourism that aims to have a low environmental impact. View Tulum, a town under threat of being developed similarly to Cancún, a major tourist resort destination.

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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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Daisies describe an ecosystem

Ecosystems are affected by many factors including increasing temperatures, which many scientists believe threaten natural systems on Earth today. This creative clip uses a theoretical world of black and white daisies to show how changes to the natural reflectivity of a planet's surface impacts temperatures and populations. ...

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NASA celebrates Aura's ten-year orbit!

Aura is a NASA satellite that in 2014 celebrated ten years orbiting Earth, collecting data about the planet's atmosphere and climate. Aura is helping scientists better understand global systems, including the composition of gases in the ozone layer, air pollution and climate change. Watch to learn more about this space ...

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Catalyst: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

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Landline: Food shortage: Please, Sir, can I have some more?

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 ...

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Sciencey: Will Australia have the last bees on Earth?

Bee populations around the world have started vanishing, in a process known as colony collapse disorder. Scientists have many ideas about what causes colony collapse, including one possible culprit: the varroa mite. Australia is one of the last places on Earth unaffected by varroa. Could this mean that Australia could have ...

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Foreign Correspondent: New dam, new house: The Mekong

The mighty Mekong river provides a way of life for millions of people, and is arguably the most important resource in the developing country of Laos. Discover how villagers are being relocated to make way for hydropower dams on this river, which stretches for nearly 5,000 kilometres from the mountains of Tibet to Vietnam. ...

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Understanding the causes of climate change

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

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Nexus: Holden, the 'all-Australian car'

What made Holden cars symbols of Australia during the 1950s, 60s and 70s? During this period, more than any other vehicle, the Holden came to reflect changing lifestyles in Australia, and helped to define for many what it meant to be 'Australian'. Find out the impact that generations of Holden vehicles have had on the lives ...

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Food for thought

Food security, or sufficient access to safe and nutritious food, is of rising global concern. Watch this animated clip to discover the main problems facing food security, and to see some suggestions for solutions that might incorporate strategies like waste management practices and emerging technologies.

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Foreign Correspondent: Spawning dams, not fish, on the Mekong?

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 ...

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Show me the water!

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 ...

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BTN: Food wastage

Do you know how much food industrialised nations, including Australia, throw away every year? Global population is set to reach over nine billion by 2050 which will increase demand for food by 70%. What do you think we can do to consume food more responsibly and sustainably? How might we re-direct food that would otherwise ...

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Catalyst: Sustainable fish farming

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.