Search results

Video

Dirtgirlworld: Seasons with Dirtgirl!

Do you know how many seasons there are in a year? Watch this video as Dirtgirl explains the seasons in some countries. Did you know that in Australia there is more than one way of describing seasons? Find out what they are.

Video

Stateline: Proposed coal mine raises environmental issues

Explore the possible benefits and impacts to the environment and community of a proposed new coal mine, called the Wallarah 2 Coal Project. In this clip from late June 2013, find out some viewpoints that landowners, community members, mine representatives and politicians present about the proposed underground mine.

Video

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.

Video

Foreign Correspondent: Bali - tourism and development

Bali, a world-renowned slice of paradise in Indonesia, is undergoing rapid development to accommodate the increase in foreign tourism. Tourism brings money but it also drives up prices and affects the environment. View this clip to explore the issues experienced by those living in paradise.

Video

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? ...

Video

ABC News: Light rail plan for western Sydney

Long lines of cars, frustrated drivers in peak traffic: familiar? As the population of Australia's major cities continues to rise and spread outwards, increased strain is placed on existing infrastructure such as roads. People often look to government to fix urban problems. Could a light rail system solve Sydney's western ...

Video

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.

Video

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 ...

Video

ABC Open: What on earth is vermicast?

Do you know what vermicast is? It's worm manure! Worms produce vermicast after they've gobbled up our organic waste! Worms help to convert waste material that would otherwise go to landfill, into good, healthy soil. What are the benefits of this?

Video

Foreign Correspondent: Myanmar - dictatorship to democracy?

Imagine living your whole life under a military dictatorship. The people of Burma (a country also known as Myanmar) have been living this way for about half a century. See how recent government reforms have opened up new freedoms for Burmese citizens and given the international community access to the country once again.

Video

ABC 7.30: If you build it, they will come

It's been 'all systems go' in the Northern Territory, with a range of new development projects springing up. In this clip from 2013, see Territorians coming up with novel solutions to the age-old problem of housing. Could a shortage of affordable housing derail the good economic times?

Video

ABC News: Sydney slips in world cities rankings, 2012

A 'Cities of Opportunity' study in 2012 found that, while Sydney was regarded as a 'livable' city, its residents faced some significant urban issues. With other cities moving ahead of Sydney in the rankings, questions have been asked about why the cost of living in Sydney is so high and what should be done to solve some ...

Video

Catalyst: Growing avocados

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 ...

Video

Foreign Correspondent: Ethiopia's nomadic pastoralists doing it tough

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 ...

Video

Indigenous watercrafts

Did you know that many different types of watercrafts were used by the Aboriginal and Torres Strait Islander communities? Watercrafts varied in design, size and materials. Learn about two specific examples: the Ningher and the nawi. Why do you think the people from lutruwita and the Eora nation had such different watercrafts? ...

Video

Landline: Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

Video

Landline: Winning the race to feed a growing population

The race is on to produce higher crop-yielding plants that will feed an ever-growing world population. See how scientists at the Plant Accelerator facility are investigating ways of increasing crop production. Some are focusing on conventional plant-breeding techniques while others are using GM (genetic modification) technology.

Video

Catalyst: What are modular farms?

Modular farms are flexible and self-contained systems that allow you to grow herbs and vegetables without the need for soil or sunlight. What are some advantages of modular farms? What may be some of the disadvantages?

Video

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 ...

Video

Magical Land of Oz: Koalas and climate change

The koala population in rural NSW has been declining over the years due to drought and heatwaves. What causes some of the temperature extremes experienced in this region? Dr Mella believes koalas normally get most of the moisture they need to stay hydrated from eucalyptus leaves. What has changed in recent years that means ...