Huon pines in Tasmania have locked up significant amounts of mercury pollution from the state's mining industrial history. And that can be released back to the atmosphere in bushfires.
New research has cast doubt on the effectiveness of scientific studies monitoring industry impact on rock art in the Burrup Peninsula.
Silicon Valley brought together natural surroundings, suburban homes and futuristic high-tech work. But industrial pollution betrayed the California dream.
Highly-alkaline industrial waste is usually sent to landfill. But while it might be dangerous, it's also useful.