An 88-year-young giant sequoia tree is "declining rapidly" in St David's Park in central Hobart due to a range of disturbances, including vandalism and fire, the council says.
'Best signs we've seen': SA algal testing shows positive signs ahead of peak summer period
Authorities say the "best signs" in a "long time" have been observed in the latest round of monitoring of the state's algal bloom crisis.
North Queenslanders split over new crocodile management plan
The new management plan sees the expansion of crocodile removal zones across north and far north Queensland. Some say it will not increase safety without better community education.
Angry locals deal with maggots, rotting rubbish after Rockingham bin changes
Perth residents say they are dealing with an "infestation of maggots" and stinking rubbish after the introduction of a third bin for food and garden waste. But the local council is adamant it will not be making any changes.
Farmers feel 'forgotten' as environment, land clearing laws tightened
Queensland producers say a blanket approach to environmental laws will restrict their ability to manage land sustainably and responsibly.
Native trees poisoned along beach in exclusive township where homes sell for millions
Six Australian native trees have been poisoned on public land along one of Queensland's most expensive and exclusive beachside streets.
Palm oil and mining blamed for cyclone devastation in Sumatra
Indonesia's government says it will summon eight companies over their suspected role in worsening the scale of floods and landslides that have killed more than 700 people. But environmental groups say authorities are hypocritical and partly to blame for the destruction.
Outback opal miners allowed to operate as surrounding land becomes national park
The Queensland government's purchase of Vergemont Station last year led to months of uncertainty for miners with tenures inside the former cattle station, which is larger than the Australian Capital Territory.
Flag planted for Upper Eyre's proposed $5 billion desalination plant
The long-awaited decision for a Northern Water project has arrived — but it has come with environmental contention.
Fears NT could become 'dumping ground' for climate pollution under CO2 plan
A plan for the Northern Territory to be among the first places in the world to import foreign carbon emissions has raised fears it will turn Darwin into a global pollution dumping ground.
Scientist drills into dunes to collect storm surge data at renowned wetland
Infrastructure to monitor the impact of rising sea levels and storm surges on the Coorong in South Australia has been installed along the thin strip of coastline between Goolwa Beach and the lagoons of the Ramsar-listed wetland.
Waits on housing and renewables may have just gone from years to months
Major housing, renewables and mining projects often get bogged down for years by Australia's aging environment laws. Now a deal to rewrite them could change that.
Topic:Explainer
Out here, the river is life. But right now, not even children will swim in it
For months, people in remote Indigenous communities have been reporting skin rashes after going in the water, and a report confirms something is wrong with the river.
Calls for BHP to end water extraction before culturally significant springs are lost
Environmentalists are calling for mining giant BHP to end its water extraction from the Great Artesian Basin when a major desalination plant is built in South Australia's north.
Water is under pressure in the Great Artesian Basin
The Great Artesian Basin covers a fifth of Australia and contains water that has been there for millions of years. Now, decades of extraction are taking their toll and traditional owners are fighting a mining giant for compensation.
Green shoots bring hope after bushfires in the Grampians
New growth is sprouting in the fire-ravished Grampians (Gariwerd) National Park, but an ecologist fears for the future.
Is Adelaide's stormwater contributing to the algal bloom crisis?
Adelaide's stormwater network has been discharging high loads of sediment into the Gulf of St Vincent for decades, killing off seagrasses that are a key defence against blooms of the kind wreaking havoc in South Australia.
SA opposition promises buyback opportunity for commercial fishers
The South Australian opposition has pledged a $21-million voluntary fisheries buyback scheme, if it is elected next year, to allow commercial fishers to leave the industry amid the harmful algal bloom.
Marsh Graziers: Water politics in Macquarie Marshes
The internationally recognised Macquarie Marshes, a key breeding site for waterbirds, has been home to graziers for generations. With irrigators and regional towns also reliant on the river that feeds the marshlands, is enough water getting through to the fragile landscape?
Endangered bandicoots given new home free of feral predators
Twenty endangered bandicoots are roaming south-west New South Wales in an effort to return bandicoots to the region after several species were wiped out in the late 1800s.
World-famous diving spot to reopen amid hopes of environmental rejuvenation
A date is set for snorkellers to return Ewens Ponds on South Australia's Limestone Coast, after low water flows caused its closure to the public.