Critics say Trump’s opening of public lands to off-road vehicles is ‘reckless and nonsensical’
Move is part of broad effort to open public lands to industry and other uses, threatening wildlife and ecosystems
Seascape: the state of our oceans
‘The Antarctic is the last frontier’: the quest to save Shackleton’s Endurance
Amid fears the wreck will be more accessible to explorers – and new species – as the climate warms, conservationists want to create the region’s first underwater protected area
Shark expert says Tony Abbott ‘doesn’t understand the science’ after former PM calls for cull
Country diary
Country diary 1906: A wood boring wasp captured in the coalpit
Country diary
Country diary: Our island’s wandering wallabies come at a cost