In May 2007, the Mayor of London laid down a gauntlet: 60% cuts in carbon emissions by 2025 – that's 25 years ahead of the UK's national target – 25 years ahead of anywhere else in the world.
Imagine exploring our planet's last great frontier, diving into the inky mysteries of uncharted depths, finding treasures and strange new life forms.
Can we trust science to keep our water safe to drink? Drought, increasing populations and shifting rainfall patterns are placing ever greater demands on our water supplies.
In the green hills of South East Queensland, there's a Buddhist commune called Frogs Hollow. Curled amidst lush rainforest, peaceful streams and abundant wildlife, it seems tranquil enough.
Catholic Bishop Chris Toohey is acutely aware of climate change. His western NSW diocese of Wilcannia-Forbes is the size of France and in the grip of deep drought.
Fourteen billion years of evolution is being swayed by a thousand years of human excess.
'A thoughtful, surprising and really important film'
DAVID SUZUKI environmental guru, author, presenter of 'The Nature of Things'
On Christmas Eve 1974, Cyclone Tracy struck Darwin. It was the largest natural disaster in Australian History.
The story of the incredible struggle for survival of the land and marine iguanas; the dragons of the Galapagos Archipelago.
Across the world, coral reefs are turning into marine deserts. It's estimated that more than a quarter have been lost and that 40 per cent could be gone by 2010.
Australia is in the midst of a water crisis ... no longer is this a story of drought in the bush – it’s reached right into our city suburbs.
This episode focuses on the town of Marysville, 95 kilometres north of Melbourne. Thirty four men, women and children lost their lives in a fire that police now believe was deliberately lit.
The Liverpool Plains in northern New South Wales has been called the food-bowl of Australia, the nation's most fertile agricultural land.
While politicians clash noisily over global warming and how to fight it, millions of Australians are trying modestly to cut their energy use, to be a small part of a big solution.
They can't rip it out fast enough.
The rush is on for a beachside lifestyle...but in the drive for a sea-change are we in danger of loving our beaches to death? Australia's coastline is under pressure as never before.
Drought boosts his price; rain depresses it. Not so long ago, the water was free for all to use. Welcome to the world of the water baron.
It’s boom-time in the worldwide timber smuggling racket.
Scientists now fear that in less than 25 years from now, for the first time in human existence, there will be no sea ice in the North Pole in parts of the summer.
Australia is planting trees. After years of debate about logging old growth forests what could seem more sensible or more worthy?