A raging megablaze has burnt one-fifth of the Australian Capital Territory as out-of-control bushfires also continue to threaten homes in NSW and Victoria

Swedish schoolgirl activist Greta Thunberg who became a household name after encouraging 4 million people to strike over climate change is named Time Magazine’s Person of the Year

Seaweed piled high on Queensland beaches has trapped at least one runner, who had to be rescued from the algae. While seaweed is not unusual, people have never seen so much at once

Scientists with an army of robotic drones and a fleet of backpack-sized inflatable pools are working to save the Great Barrier Reef as part of the world’s largest science and tourism group project

In our weekly series, award-winning cartoonist Mark Knight explains why he drew young climate change activist Greta Thunberg rowing rock band Coldplay to their next world gig

In our weekly series, award-winning cartoonist Mark Knight captures the helplessness of drought-affected Australian communities now caught in the path of catastrophic bushfires

Ice eggs the size of footballs have engulfed an entire beach in Finland in a rare weather event that requires ice, wind, water and freezing temperatures

In our weekly series, award-winning cartoonist Mark Knight explains why he drew Uluru as an indigenous character dreaming of a life without interference on spiritual land

Tenterfield — battling drought and, recently, bushfires — has struck it lucky with the discovery of underground water only 126 days before the town’s supply was due to run dry

A gripping action shot that captures “the perfect moment” between a Tibetan fox and a marmot has won its photographer the title of Wildlife Photographer of the Year

Astronauts have grown beef in a laboratory up on the International Space Station by 3D printing meat from cells harvested on Earth and sent up into orbit on a rocket

Critically endangered mountain pygmy-possums need your help to solve the mystery of the missing Bogong moths that have disappeared somewhere between Queensland and Victoria

Seven eggs from the world’s last two northern white rhinos have been successfully fertilised artificially, giving hope for a future baby rhino that could save the species from extinction

A city-sized, floating island spewed from an undersea volcano is heading for Australia’s coast. Rather than causing a disastrous collision, its arrival could help heal the Great Barrier Reef

World nations have called for giraffes to be added to the endangered species list as numbers in the wild continue to drop because of loss of habitat, drought and hunting

With poetry, moments of silence and political speeches about the urgent need to fight climate change, Iceland bade goodbye to its first extinct glacier

A tiny, wide-eyed koala has been named Australia’s cutest koala joey. And now she’s out of her mother’s pouch, her important work as an ambassador for her species’ conservation really begins

Worms, bees, birds, flowers and veggies are the stars of Australia’s stamp collecting month, when sustainable gardening and stamp collecting get together to grow something great

On the eve of National Tree Day, new research suggests planting a trillion trees could achieve a 20-year pause in global warming and that we have the available land to do it

Thirty endangered rufous hare-wallabies have been released in Australia’s Central Desert into a sanctuary created as part of a project building the world’s longest cat-proof fence

After several warm days with temperatures above 30C, residents of this Mexican city woke up to a winter wonderland and then set about trying to find their cars under all that ice

With teeth gnashing and muscles rippling, two big Maasai lions wrestle in a dramatic fight for supremacy captured in a sequence of incredible images in Africa

A photo of a pack of sled dogs appearing to walk on water in Greenland has shocked the world, showing the result of a massive ice melt on an unusually warm day last week

This year’s World Environment Day theme is air pollution, which is causing ill health and shortening the lives of millions. There are simple things we can all do to help clean up our air

As whale watching season begins in Australia, everyone is on the lookout for a very special white humpback whale who has been cruising the east coast every year for up to 30 years

It’s a photography contest that aims to inspire the viewer to protect life on Earth and the winning entries are nothing short of breathtaking

The creators of the world’s biggest indoor rainforest have unveiled their plans to build a massive international eco-tourism attraction on mining wasteland in Australia

Farmers, their families and animals across Australia are doing it tough with worsening drought conditions. Students can now Adopt A Farmer to lend a helping hand to those most in need

Hermit the joey koala has been saved by a vet and a surrogate koala mother named Crumble in a daring medical procedure at an Australian wildlife sanctuary

An Australian hairdresser is turning plastic shampoo bottles into 3D-printed prosthetic limbs, helping repurpose waste and giving a hand to those who need one

An Australian woman has found a lone kookaburra for sale in a cage in a US pet shop. Unfortunately, she’s not allowed to bring it home to its native habitat

Join the global movement of hundreds of millions of people all turning off the lights as a way of working together to care for the environment

A heat lamp, a feather duster and lots of expert care has helped nine precious plains-wanderer chicks hatch and thrive, an important species-saving step

People who love pink are flocking like flamingoes to take selfies in front of a lake in Melbourne dyed by a population explosion of algae

A major oil spill in the Solomon Islands is moving towards the nearby UNESCO World Heritage Area, with fears of a looming environmental disaster

After an 8-4 vote by Hobart councillors, the city is set to become Australia’s first to ban single-use plastics including straws, sauce packets and cups

The PM has announced a massive expansion of the Snowy Hydro scheme to start within a week, promising cheaper and more reliable electricity

Three rare otter pups have passed their first hands-on health checks by vets at Perth Zoo, a big milestone in the international program to save the species from extinction

Adelaide Zoo’s giant pandas Wang Wang and Fu Ni have failed to have a baby panda and will be sent back to China unless the Australian government steps in

Our blue oceans are turning bluer and our green oceans are turning greener as global warming changes the balance of Earth’s ecosystems

A new study of Tasmania’s forests found that the many small native animals that live there have a vital role to play in reducing the impact of bushfires

Townsville’s mayor has urged the city’s residents to “hang tough” as the Army and emergency services personnel work hard to keep everyone safe after record rain in Queensland

Marine biologists have dived deep into the biggest hole in the Great Barrier Reef and found a haven of healthy coral and a wealth of beautiful fish and other sea life

Australian shoppers have used 80 per cent fewer single-use plastic bags in the three months since Coles and Woolworths stopped giving them away, but there’s plenty more we can all do

More than 130 dangerous bushfires are burning across Queensland, reminding everyone of the importance of knowing how to call for help and stay safe in case of fire

Australia’s newest container deposit scheme kicked off on November 1 with a massive 10 million bottles and cans collected in just 12 days, benefiting the community and the environment

A large hole has appeared overnight and swallowed part of a popular Queensland beach at Inskip Point

One young inventor’s school project has led to an ambitious goal to clean the world’s oceans of plastic by 2050. The first stage is underway