With approval granted for a permanent rail line and a temporary construction camp, Adani's much-touted and often doubted Carmichael coal mine project in central Queensland takes a big step closer to reality.

Former prime minister Tony Abbott defends his Green Army policy as "good for grass-roots conservation", after reports the Government is set to dump the employment project.

These are the five things you need to know about the debate over carbon pricing.

Townsville will be the regional headquarters of Adani's newly approved $22-billion Carmichael coal mine in Queensland's Galilee Basin.

Scientists from across the country carry out the biggest biological stocktake ever completed on Fraser Island.

The US Army Corps of Engineers says it will not grant an easement for the $US3.8 billion ($5.1 billion) Dakota Access oil pipeline, a victory for the thousands of protesters who have camped near the construction site for months.

The West Australian Government comes under fire for allowing preparatory work to begin on the controversial Roe 8 Highway extension before a High Court hearing on the issue takes place.

Communities in the Western Desert of the Northern Territory say they are now in complete control of managing their land after creating an online storybook.

Residents of a small Northern Territory town fear the consequences of releasing waste water from a proposed prawn breeding facility into waterways near conservation areas and local fishing spots south-west of Darwin.

As many as 22 black-flanked rock wallabies, a species that came close to being wiped out by feral pests and predators, are thought to be living in the remote gorges of Kalbarri National Park.

For Australia's wine producers, climate change is not a thing of the future but an issue to be dealt with right now.

Conservation group Sea Shepherd unveils the latest addition to its anti-whaling arsenal, a $12 million custom-designed ship it will send to confront the Japanese fleet in the Southern Ocean.

A rail line that will link Adani's $21 billion Carmichael coal mine to the Abbot Point port is one step closer, after passing its first assessment hurdle for a Federal Government loan.

Canberran conservationists, including wildlife rangers as young as 10, join Victoria and Japan in a global conservation project to protect the Latham's snipe, a migratory shorebird feared to be in decline.

The NT Environmental Defenders Office raises concerns miners are over-represented on the board set up and appointed by the former Government to monitor the industry.

US military veterans plan to build a barracks at a protest camp in North Dakota to support activists in frigid conditions opposing a multi-billion-dollar pipeline project near the Standing Rock Native American reservation.

Cossie's Beach in the Cocos Islands is ranked number one in Australia, while Dolly Beach on Christmas Island comes in seventh.

Parks Australia will release a tiny wasp on Christmas Island in coming weeks to control the island's yellow crazy ant infestation.

Salmon producer Tassal records an increase in a bacteria responsible for "visual impact" near its salmon pens in the intensively farmed Macquarie Harbour.

A Papua New Guinean villager's six-year battle to stop logging around his home has won him an international human rights award and given him the chance to lobby the United States Government for help.

Scientists have joined forces with Sydney's Taronga Zoo and the tech giant Google, to build an app that allows Australians to gather information about one of our most unique and elusive animals, the platypus.

It is possible UNESCO could place the Great Barrier Reef on its "in danger" list, because of failure to secure key sustainability requirements, the Queensland Government says.

A family living in a house in the heart of the ancient Phnom Tnout forest, Cambodia, fear that without taking action now to protect what's left, it will all be destroyed.

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