The headlines in recent months read like an international eco-thriller. At Mauna Loa Observatory, perched high on a Hawaiian volcano, researchers measure unusual levels of CFC-11 in the atmosphere. But the identity of the environmental super-villain remains a mystery.
Interview with Peter Bell on ABC Radio Perth.
As dawn washes over Bondi Beach, you can see the surfers beyond the break, gently rising and falling on their boards. They gather like this when the surf forecast tells them a big swell is rolling in, carrying energy from a ferocious Antarctic storm thousands of kilometres away.