Scott Hannaford Leading naturalist has cautioned Australia on the 'madness' of further population growth.
Brian Robins STATE POLITICS Logging of Riverina red gums will stop from the middle of the year, in a pre-election about-face from a state government keen to bolster its environmental credentials.
Scientists downplay role of climate change as the cause of this week's huge tornado in the US state of Oklahoma.
Anthony Ham The battle to save the African rhinoceros has all the ingredients for a Hollywood thriller. There are armed baddies with good guys in hot pursuit. There is a hint of glamour.
Cameron Atfield The Great Barrier Reef could be added to a list of endangered world heritage sites, the United Nations has warned the Queensland and federal governments.
Sarah-Jane Collins The federal government must refuse any further development applications in the Great Barrier Reef area if it wants to avoid the world-heritage-listed site being classifed as "in danger" by UNESCO,...
Cameron Atfield The United Nations has put the Queensland and federal governments on notice that the Great Barrier Reef could be added to a list of endangered world heritage sites.
Aislinn Laing The last known rhinoceroses in Mozambique have been wiped out by poachers apparently working in cahoots with the game rangers responsible for protecting them.
Tom Arup Premier Denis Napthine has declared his personal love for wind turbines, but says his government's restrictions to where they can be built won't change.
Richard Willingham The heart of Kate Baillieu, long-time campaigner for the protection of Point Nepean National Park, sank when she heard of plans to develop the site and new state government guidelines for projects in...
A boom in the number of razor clams in Lake Macquarie is a danger to swimmers and has scientists researching whether they can safely remove the molluscs.
Traditional owners wary of plans by the Queensland government to open Cape York to more farming.
Victorians will face greater danger from heatwaves because of climate change and inadequate planning, a new report says.
Earth's increasingly hot, wet climate has cut the amount of work people can do in the worst heat by about 10 per cent in the past six decades, and that loss in labor capacity could double by...
Peter Hannam Long-standing temperature records may be broken in coming days as a massive heatwave sizzles much of the country.
Hamish Boland-Rudder Raincoats could be the order of the day for Canberrans visiting the Royal Canberra Show, as the capital feels the fringe of a wet, windy weather system bringing severe conditions to the NSW coast.
Peter Hannam Sydney may have shivered through its coolest February weekend in 19 years but it won't be long before the mercury jumps back above normal.
Leaks and investment delays threaten the US water system, exposing the value of a commodity that in short supply disrupts businesses, according to a web campaign.
British scientists have set out to find out exactly when wolves were domesticated into dogs and became man's best friend.
Henrietta Cook and Adrian Lowe A cool change has brought relief to fire-ravaged Gippsland despite two suspicious fires being lit around lunchtime.