The flood zone around Townsville extends for hundreds of kilometres, making monitoring difficult even from the air. But scientists are testing a new satellite method that can peer through the clouds.
Big data can be used to properly advise smallholder farmers in Africa and help guide pest monitoring efforts.
How do scientists predict volcanic eruptions? To do so with accuracy, they need to know the individual volcano and its history very well.
Allegations of water theft have thrown the Murray-Darling Basin Plan into crisis. The solution could involve users declaring their annual water use, subject to random audits - like a tax return.