articles

Rainwater tanks are a popular way for Australians to save water, but new research has found they can also harbour potentially harmful bacteria and metals that could pose health concerns.

For decades, fisheries managers have struggled to restore wild populations of lake trout recruitment across the Great Lakes region, with limited success.

Forest expansion and thickening after British colonisation has created landscapes more prone to burning, amplifying the influence of climate change and propelling Australia’s bushfire crisis, a new study has found.

The idea that ecosystems carry plenty of back-up, so if a small number of species become extinct there is little harm, has been greatly overestimated according to the largest global study of its kind.

Soils are warming quickly and at considerable depth across Alaska, with temperatures rising fastest in the state’s permafrost region, a trend that could accelerate climate change and undermine the stability of roads, buildings and other infrastructure built on the continuously frozen ground.