The spectacular waterfalls at Litchfield National Park, south of Darwin, are pumping after huge amounts of wet season rain.

One year after raging bushfires swept through 20,000 hectares of Tasmania's Wilderness World Heritage Areas, some parts of the landscape are showing no signs of recovery.

About 5,000 hectares of national park in central Queensland that is home to 11 endangered species is facing compulsory acquisition for a military base expansion, State Environment Minister Steven Miles says, adding that he has sought details from the Commonwealth.

Authorities are being urged to consider culling the state's iconic wild horses before they cause irreparable damage to the High Country.

Tasmania's tourism industry wants an overhaul of parks and reserves legislation, saying stakeholders are mired in conflict without a proper management framework.

Prime Minister Malcolm Turnbull will meet with Port Lincoln business leaders to discuss energy security in the wake of the September blackout, and attend the annual Tunarama festival fish toss.

These birds are on the brink of extinction, but Australian researchers are heading up an international group including Japan, China, Russia and South Korea working together to save the special shorebirds.

The Beijing city Government tells officials to lead by example and not set off fireworks to welcome the Lunar New Year to help prevent smog in the city.

The rufous fantail was wiped out on Guam by an introduced snake species. Now researchers are trying to future-proof the species here in Australia.

Employees from US government agencies establish a network of unofficial "rogue" Twitter feeds in defiance of what they see as attempts by President Donald Trump to muzzle science.

Residents on Queensland's Sunshine Coast vow to fund a $200,000 legal battle against a proposed sand mine.

South-east Queensland prawn farmers decimated by white spot disease will receive part of a $1.74 million Federal Government emergency funding package, however they say it does not cover their costs.

A 58-square-kilometre parcel of coal seam gas-producing land in the Surat Basin is set aside exclusively for the Australian market by the Queensland Government.

Badlands National Park in South Dakota deletes several tweets on climate change statistics hours after posting them, following several gag orders and suspensions on US federal agencies by President Donald Trump's new administration.

Some 200 life-size human figures are submerged 14 metres under the Atlantic Ocean as part of Europe's first underwater museum, which has officially opened to the public in Spain.

A gold mine north of Katherine starts deliberately discharging contaminated water into a river due to the heavy rainfall in the area.

Environment Tasmania wants the Integrity Commission to probe why TasWater has changed its mind on a controversial dam to be used by Tassal for fish farming on the east coast.

President Donald Trump signs orders to advance the construction of the Dakota Access oil pipeline, which was at the centre of the Standing Rock protests, along with the Keystone XL project which had been blocked by Barack Obama.

A massive stockpile of about 1 million car and truck tyres at the Tasmanian town of Longford should be gone within three years with the approval of a shredding facility.

Seafood sampling will determine how far toxic chemicals have spread from Gold Coast Airport into the surrounding environment, as authorities respond to last year's discovery of toxins in nearby soil and groundwater.

It took 67 days, 12,000 images and a climb to stomach-churning heights, but Steven Pearce finally got the image he was after of Tasmania's eucalyptus regnans.

Eighty fish wash up dead in south-west Queensland and hundreds of crabs also perish on a south-east island after extreme conditions.

A captive-bred orange-bellied parrot chick survives its first week with an adoptive mother in the wild, in a world-first trial of fostering as a strategy to boost the endangered species in the wild. But there are no guarantees of success.

Energy Minister Josh Frydenberg says the Government has no plans to scrap its renewable energy targets, despite internal criticism and concerns US President Donald Trump may withdraw from the Paris climate change agreement.

As the mercury soars past 40 degrees Celsius in Sydney, spare a thought for the people of Moree, who are in the midst of a 27-day heatwave that has smashed records in New South Wales.

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