Environment and Natural History

Imagine exploring our planet's last great frontier, diving into the inky mysteries of uncharted depths, finding treasures and strange new life forms.

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.

Catalyst's own surfing scientist, Ruben Meerman, heads to Queensland's Sunshine Coast to look at the science of the beach.
The Perfect Wave

For two decades, the CSIRO's Research Vessel, The Southern Surveyor, has been helping Australian scientists learn more about the oceans surrounding our island nation.

Space is once again 'the new frontier' – this time in finding a solution to the Earth's energy woes.

There's been a lot of talk about a nuclear future for Australia. But we already have an enormous nuclear reactor providing us with massive quantities of energy – the sun.

While solar power is clean and green, the great drawback for it has always been cost: it is more expensive than coal or gas-generated electricity. But could that finally be about to change?

If you thought the pollution in our cities was bad, may be you should consider the air you're breathing indoors.

You'd think after thousands of years perfecting the art of riding horses, everything there was to know about horses would already be known.

What would happen if the world were to start running out of oil?