Sydneysiders are making the most of a warm winter, enjoying the outdoors in parks and beaches across the city.

A possible expressway extension may be the reason for stalling a push to give the Royal National Park global recognition, the Greens say.

The NSW government is claiming waste recycling rates about twice real levels and is refusing to amend its published data despite being presented with more accurate industry-sourced information, green groups say.

A new generation of poultry breeders is reviving interest a dying art as age-old practices raises animal cruelty concerns.

The Commonwealth Bank rules out lending to the proposed Carmichael megacoal mine in Queensland.

Chickens have helped Mark Killen change the way he lives. They have made the grass greener, both on his property and in the way he has viewed his world as a farmer.

Another burst of unseasonable warmth is building over central Australia and will nudge temperatures towards 10 degrees above normal.

Forest regions of NSW, including areas around Sydney, are rapidly drying out, raising the risk of early and significant fire activity.

The NSW environmental watchdog has asked ICAC to examine allegations it botched investigations of illegal waste activities.

Papua New Guinea may be one of the last refuges for amphibians as a fungal disease decimates populations worldwide, a Queensland academic believes.

A draft bill to revamp regulations for native forestry in NSW was slammed as "overly complex" and inequitable.

Sydney residents may be basking in the late winter sunshine but cold temperatures have brought snow to the NSW Central Tablelands.

More evidence has emerged of changes to water licences giving a handful of irrigators in north-western NSW the ability to extract huge volumes of river water even during dry periods.

The powerful typhoon already buffeted Japan's southern islands on Saturday, leaving two dead and nine missing.

Australia's ski resorts face the prospect of a long downhill run as a warming climate reduces snow depth and cover.

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More than 25 million hens, plus millions of male chicks, are used by the Australian egg industry every year.

The US will tell the UN it is abandoning the Paris accord, but remains open to "re-engaging".

Australia's greenhouse gas emissions continue to increase, making the task of future pollution cuts more difficult.

Australia may need to consider delaying its goals to combat global climate change in order to prioritise energy security and economic prosperity, according to a senior coal executive.

Australia's climate research is in "urgent" need of dozens more scientists to help prepare for global warming.

Australia and the rest of the world must keep global temperature increases to 1.2 degrees to save the reef.

Environment groups say they have scored a "massive victory" against coal mining in Sydney's water catchment.

KISS frontman Gene Simmons is thrilled by a newborn calf born with strikingly similar black-and-white markings to the face paint he wears on stage.

Australia smashed its daytime temperature records for July as another poor month for rains left skies relatively clear.

World temperatures are likely to rise by more than two degrees Celsius this century.

The decision by the Berejiklian government to award a major role in the state's new container deposit scheme to Coca-Cola Amatil and other companies opposed to it was an act of stupidity, the NSW Greens say.

Sydney has posted its driest July in more than two decades but the city's parched parks and gardens should soon start to collect some much-needed rain.

​A new technique using artificial intelligence to predict where deforestation is most likely to occur could help the Democratic Republic of Congo (DRC) preserve its shrinking rainforest and cut carbon emissions, researchers have said.

Sydneysiders will be leaving their winter woolies at home on Sunday to welcome what is expected to be the warmest July day on record.

The project to reverse ecological damage in the Murray-Darling Basin is not going well.