Environment

A diver at Opal Reef, off Port Douglas.

Damage to Great Barrier Reef 'worse than thought'

The government agency responsible for the Great Barrier Reef says urgent action is needed to save the world heritage site after yet-to-be-published surveys found the record coral bleaching damage earlier this year was even worse than initially thought.

The failure of SA's wind farms during last month's storm were worse than originally thought.

What's really going wrong with electricity?

The extreme weather conditions and 80,000 lightning strikes that thrust South Australia into darkness last week was extraordinary enough; the disingenuous debate it sparked about Australia's changing energy system has been something else again.