Blue-green algae in the Murray River upstream of Mildura in April.
Toxic algal blooms were unheard of in Australia's major waterways before 1991. Now the Murray River has been struck by four major events in less than a decade, with more likely in the future.
The past century hasn’t seen the worst drought that Australia’s climate can throw at us.
A new millennium-long record reveals that Australia has suffered longer droughts and wet periods than those recorded in the past century's weather observations.
Lonesome National Park is home to some of the last remaining brigalow woodland.
Science was instrumental in working out how to clear brigalow forest to make way for farming in the 20th century. Now it's trying to bring these iconic forests back.
Barkindji protest outside Parliament in Canberra.
For the Barkindji people, the Darling River has been a symbol of Aboriginal survival since colonial times. Now, the once busy NSW town of Wilcannia is in danger of losing its water.
In the battle for the road, bike riders come off second best.
Bike image from www.shutterstock.com
New South Wales' new tougher bike laws reveal an ongoing war of the roads.
Nice day for the beach. In fact there have been rather a lot of those in Sydney lately.
Natalia Montes de Oca/Wikimedia Commons
Sydney is in the process of smashing the record for the longest run of days above 26℃. Weather, El Nino and climate change are all playing their part.
Some voters in New South Wales may be forced to vote in a different electorate at the next federal election following a recent redistribution.
Any redistribution of electoral boundaries may significantly impact how parties are represented in the parliament. But how does Australia’s system of changing seat boundaries actually work?
Scientists are starting to think that young white sharks could be responsible for clusters of shark encounters.
White shark image from www.shutterstock.com
A recent increase in shark encounters has prompted New South Wales to investigate new technologies.
Sharks often bite people less to kill and more as a mistake.
A recent cluster of dangerous encounters with sharks in New South Wales has raised new concerns among the public.
White sharks - a threatened species responsible for a number of recent shark encounters.
More research may not necessarily prove to be the answer to shark attacks. Instead, we should look at programs that are already working, such as aerial patrols.
A greynurse shark complete with a tracking device - scientifically the best way to keep tabs on what sharks are up to.
AAP Image/NSW Ministery for Agriculture and Fisheries
Calls are growing louder for a shark cull in New South Wales. But like in Western Australia, which infamously experimented with culling last year, a NSW cull would harm sharks while failing to protect people.
The Great Artesian Basin is a source of water in many areas of inland Australia.
Recent water leaks related to coal seam gas development in New South Wales raise more concerns about the industry's impact on groundwater.
The recent wild weather dumped more than 100 mm of rain on Sydney in a day.
AAP Image/David Moir
The recent wild weather that lashed New South Wales has been described as 'once-in-a-century'. But how often does it really happen?
Long Bay Correctional Centre was dubbed the ‘Long Bay Hilton’ by ‘tough on crime’ advocates whose campaigns helped fill prison cells to overflowing.
Wikimedia Commons/J Bar
Most crime in NSW has been declining since the early 2000s, and the state's current murder rate is half what it was in 1988. So why is the NSW prison population growing?
Senior Queensland Police at the 2014 launch of the Stay on Track Outback road safety project, sponsored by Santos, Izuzu and others.
Queensland Police Service
The Queensland Police will now disclose all sponsorships, after a backlash over almost A$700,000 in unnamed donations. But what are the lessons from elsewhere about police and corporate donors?
Unless community concerns are heard and responded to, the NSW coal seam gas industry will keep running into road blocks.
Stop CSG Illawarra/AAP
Whether you're a supporter or opponent of coal seam gas, the looming New South Wales election will decide the industry's future in the state. So what are the three key issues to watch?
Then treasurer and now New South Wales Premier Mike Baird (centre) at Newcastle’s Wickham train station in 2013.
If you're looking for key battles to watch in the New South Wales election, which could help decide who forms the next state government, then you need to know the story of the Newcastle railway line.
Asked about what he would consider a good result at the upcoming state election, Mike Baird joked he’d be happy with a win.
'I would be incredibly disappointed, I can’t tell you how disappointed I’d be, if I didn’t have the opportunity to continue beyond March ... [these are] some of the most exciting times in politics'.
The dingo fence is the world’s longest.
Australia holds many world records, including the world’s longest fence, the dingo fence. At 5,531 km, the dingo barrier fence stretches from eastern Queensland all the way to the South Australian coastline…
NSW is considering a marine park for Sydney Harbour. But have we learnt from our past mistakes?
As thousands gather for the World Parks Congress in Sydney, there are growing calls for a new marine park in Sydney Harbour. New South Wales’s Labor opposition has promised, if elected, to establish the…