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Listed under:  Health  >  Safety  >  Environmental hazards
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Tully and Yasi: the sequel

When tropical cyclone Yasi hit north Queensland in 2011, the small town of Tully suffered severe damage and the region's banana and sugar cane crops were devastated. Discover how this crop damage impacted farmers, the local community and people throughout Australia. Find out how the town has since recovered.

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Make no bones about ocean acidification

Extra carbon dioxide in the atmosphere is posing a real problem for the world's oceans. It's leading to ocean acidification and coral reefs are the big losers. See how acidification of the water leads to less calcium carbonate, a vital ingredient corals use to build their skeleton. Watch this clip to find out more.

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Volcanoes and people

Imagine living in the shadow of a volcano? Well, millions of people do in Naples, Italy, where a massive volcano called Vesuvius exists. This clip explores the dangers posed by volcanoes and investigates some recent and ancient eruptions. Find out some misconceptions about volcanoes and discover how science is helping prevent ...

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Fighting fire with fire: the debate

How do we best protect communities from the threat of bushfire? Prescribed burning is the preferred method in many parts of Australia, but it remains controversial. This clip investigates the science behind prescribed burning. Does it save property and lives, and can it destroy ecosystems?

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Battling erosion on the Gold Coast

Queensland's iconic Gold Coast beaches experienced severe erosion as a result of wild weather in early 2013. The liveability of beachside homes in the area is under threat. See the local council's attempts to shore up the coastline and hear some questions being asked about the best way to protect the landscape. Where does ...

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Summer bushfire fears

Unseasonably warm weather leading up to the start of the 2013 fire season was an ominous sign. This clip from September that year investigates how technology is used to better predict the likelihood of bushfire, as well as helping firefighters bring blazes under control.

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Climatic cycles in the Pacific

Australia's climate is characterised by regular cycles of flood and drought. But the same cycles also affect our near neighbours in the Pacific Ocean. In this animation the Climate Crabs take us on a journey through the Pacific Islands as we learn more about the climatic phenomena known as El Nino and La Nina.

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Tsunamis

Discover what powerful force triggers a tsunami. In this clip you will see the damage caused by tsunami, and find out why it occurred. Learn about what is happening on the ocean floor and the connection between tsunamis, earthquakes, volcanoes and tectonic plates. See how a warning centre is working to keep people safe ...

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Geology reveals how Earth changes

See how geology can tell us a story about how Earth has changed over time, as well as help predict natural disasters and save lives. Find out how geology can help you understand the world around you even when you are at the beach.

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Volcanic eruptions at Mount Ruapehu

Imagine a volcano erupting kilometres away. You are afraid, worried for the safety of yourself and others. Paul Willis presents the work of New Zealand volcanologists conducting research at Mount Ruapehu, a volcano with a history of devastating lahar (water, sediment and rocks) flows. Learn more about lahar flows and the ...

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Virtually avoiding disaster

Sharing experiences, photographs and opinions via social media has taken the world by storm. In this clip from 2013, we see social media networks being embraced by a new set of users who believe that it can save lives during natural disasters. But should we be concerned about their potential for misuse?

Online

Earthquakes

You might not realise but the ground beneath us never stops moving. Only when the movement is sudden and powerful do we take note.

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Patterns of El Nino and La Nina

Australia's rainfall is best described as 'unreliable'. Long periods of drought can quickly give way to extensive floods. This clip uses animations to help you understand how the El Nino and La Nina phenomena contribute to Australia's climate patterns.

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Reef of life

This clip argues that every day the wellbeing of millions of people is dependent on the existence of healthy coral reefs. Through a stunning series of underwater videos and photographs find out more about current threats to coral reefs and how individual's actions on land can make a difference to the overall health of the ...

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What is El Nino?

The Bureau of Meteorology has just announced that Australia has now moved from a La Niña weather pattern, to an El Niño weather pattern. But what does that mean? And what impact could it have on Australian farmers? Let's find out!

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Lessons from Cyclone Yasi help future planning

Cyclone Yasi tore through Queensland's Cassowary Coast in 2011. As the largest cyclone to hit the region, it left towns like Tully and Mission Beach with a massive reconstruction task. Recently, the focus of local communities has turned to reducing their vulnerability to future cyclone events. This clip looks at the lessons ...

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Sowing crops after floods

Natural disasters such as flooding can create havoc for farmers who rely on favourable growing conditions for high yields. This clip shows some Australian farmers responding to floods that have affected their crop production. See how they deal with these and other weather-related impacts.

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Life on our ever-changing creek

Imagine if you lived near a creek and it began to rain heavily. What might be the possible consequences of rising water levels?  How might you go about preparing to deal with it? How did the family in this video deal with a bridge getting destroyed?

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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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New Zealand's earthquakes

Damaged buildings, flooded roads, and crashed cars! No, it's not a bad dream; it's actually the aftermath of an earthquake in Christchurch, New Zealand, in 2011. Find out about what causes earthquakes, the damage they cause, and why Christchurch was rocked by two quakes within six months. This clip includes footage of earthquake ...