The tube fishway allows fish to glide past dam walls, weirs and other river barriers, with the potential to revitalise Australia’s ailing freshwater fish stocks.
The Aussie tradition of cooling off in a river could be fatal on Australia Day after a recent UNSW study showed a heightened risk of drowning on the day.
A global analysis of rainfall and rivers by UNSW engineers has discovered a growing pattern of intense flooding in urban areas coupled with drier soils in rural and farming areas.
It is possible to have fish and dams: John Harris, Bill Peirson and Richard Kingsford explain how.
Rivers in many agriculturally significant areas of Australia could lose water as the landscape grows greener, write Anna Ukkola and Albert Van Dijk.