Cutting edge medicine for an old disease
The re-emergence of black lung disease among Australian coal miners is raising urgent questions on prevention, screening and treatment that need answering.
Whatever happened to the ozone hole?
Atmospheric scientists David Karoly and Robyn Schofield discuss the ozone hole over the Antarctic, and what effect timely action has had in reversing it.
The hole in the ozone
The re-patching of the ozone hole is an environmental success story that's worth remembering as we strive to contain climate change.