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Listed under:  Science  >  Earth and space  >  Atmosphere  >  Climate
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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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Packing for an Antarctic expedition (1954)

Listen to scientist Dr Phillip Law describe the requirements of packing for a year's stay on Antarctica. See historic footage of packing the ship Kista Dan for the 1954 expedition to Antarctica. The Australian National Antarctic Research Expedition (ANARE) was established to set up scientific research stations in the Antarctic ...

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Timor-Leste: feeding the hungry

It is often hard for a developing country to grow enough food to feed its population. In this clip you'll see the challenges encountered by the growing nation of Timor-Leste (East Timor). Listen to an AusAID organiser and the East Timorese president describe the importance of food, and the heartbreak of a hungry nation.

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Surviving the extremes

What would you do if a natural disaster was heading for you? Would you panic? Dr Jonica Newby and the Catalyst team stage two disaster scenarios and throw them at two Australian families who know only that a disaster of some kind is coming. How will they cope? And how would you?

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Coral bleaching: threat to the Great Barrier Reef?

Scientist Dr Ove Hoegh-Guldberg describes the Great Barrier Reef as one of the most thrilling ecosystems on the planet. Discovering new things there makes him feel like a pioneer. In the early 1980s the sudden appearance of bleached coral was a mystery. Join Dr Ove Hoegh-Guldberg as he describes coral bleaching as a serious ...

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Mount Isa faces a water crisis

Mount Isa is known for its hot and dry climate, but this clip from May 2013 shows the city during one of its driest spells on record. With water restrictions already in place, this Queensland town is on the cusp of a serious water shortage. If it doesn't rain soon, Mount Isa's residents and its economic livelihood will ...

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Antarctica

The first recorded expedition to Antarctica was in 1821. It was a place where no human lived. Thanks to the work of explorers and scientists we know a lot about the frozen continent.

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Wattleseed: a promising new cooking ingredient

If you were a farmer, what native plants could you grow to provide a new food crop? Find out how Mark Lucas, a South Australian farmer, makes use of scientific research and innovative chefs to create a market for a new native plant food product.

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It's all in the trunk

Elephants are large, but how large? See how heavy a bull elephant is when its mass is described in numbers of cars or people. An elephant's trunk is a wonderful adaptation - a perfect tool. See why! Find out how elephants communicate using everything from loud trumpeting to low-frequency rumbles.

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Murrumbidgee Irrigation Area: vineyards

The McWilliam's Wines Group has been growing wine in the Murrumbidgee Irrigation Area (MIA) for almost 100 years. In this clip from late 2012, listen to members of the McWilliam family describe how the industry was established, the reasons for choosing that region and the need to incorporate sustainable practices.

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Scientists in Antarctica

Explore the driest, windiest, coldest place on Earth. Discover why scientists flock to Antarctica every year. This clip explains how studying the tiny bubbles buried in the Antarctic ice can teach us about what the Earth was like long ago.

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Antarctica

The first recorded expedition to Antarctica was in 1821. It was a place where no human lived. Thanks to the work of explorers and scientists we know a lot about the frozen continent.

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Penguin wave better than a group hug!

Emperor penguins form a big, tightly packed huddle to keep warm in Antarctica, the coldest and windiest continent on Earth. But how do the ones on the outside of the huddle keep warm? Find out about a clever way of ensuring that no penguin is left out in the cold.

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Antarctica: changes in seasons

Watch historic footage of winter in the coldest continent on Earth as Dr Phillip Law describes how Antarctica changes with the seasons. See the force and effects of Antarctic blizzards. Watch the return of spring. The Australian National Antarctic Research Expedition (ANARE) was established to set up scientific research ...

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Antarctic survival and rescue: a re-enactment

Australian scientist Tim Jarvis set out to re-create one of greatest tales of survival and rescue in the history of science. Watch as he shares stories from his 2013 voyage. Learn about early Antarctic explorer Ernest Shackleton and his ill-fated expedition, which set out in 1914.

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Wheat: from the UK with love

Not since colonial times has Australia imported wheat from the United Kingdom. Watch this clip to find out why Australia turned to Britain and the USA in 2002 for supplies of grain that are traditionally grown in abundance on home soil.

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Surface currents in the Tasman Sea

This is a colour map of the region around the Tasman Sea showing the ocean currents that influence the climate of south-eastern Australia and New Zealand. Different colours are used to identify warm and cold currents.

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New tools to explore the frozen frontier

Scientists are using drones and robots to help them understand more about Antarctic ice. See how the use of these technologies is not only safer but much faster and more efficient.

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Don't get into a flap about elephant ears

It is now known that three species of elephants live across Africa and Asia: two in Africa and one in Asia. In this clip we look at how elephants from different climates have slightly different features and differ in size. Find out which elephants have the biggest ears and the wrinkliest skin - and why!

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Re-creation of Shackleton's Antarctic survival

In 1914 Ernest Shackleton and his crew set out on an expedition to cross Antarctica via the South Pole. But things went horribly wrong when their ship was crushed by ice on the way. In this news clip, witness an Australian scientist about to set out with five others to re-create Shackleton's remarkable journey of survival, ...