By late June, the animals should be well and truly aggregating. In short, the cuttlefish have simply failed to turn up.

Sediment and nitrogen runoff carried by rivers is a major challenge to the Great Barrier Reef. Science confirms efforts to improve water quality are paying off.

Hundreds of experts write to environment minister calling for stronger protections for ‘unique and distinct’ marine ecosystems

A new report reveals what caused South Australia's most devastating algal bloom crisis — 18 months after it first appeared on the state's waters.

WA's southern coastline is covered in seashells, much to the delight of collectors. However, the state has a bag limit on how many you can take home.

A restorative mussel farm could improve water quality and biodiversity in Cockburn Sound and the project leaders say there's no need to stop there.

Australian coastal and marine ecosystems underpin the nation's social, cultural, and economic values, but are increasingly degraded by climate change and other human pressures. Conventional managem...

Combining satellite imagery and machine learning has created the first comprehensive map of seagrass meadows, in a boost for the conservation of these crucial ecosystems.

Swampy mangrove forests are staging a surprise comeback - which is good news for coastal communities and the climate.

Deep frustration with the budget has led more than 400 scientists, young people, Indigenous leaders, and conservation experts to write collectively to the Prime Minister and Treasurer, pleading for ad...

A New Zealand-focused analysis finds businesses in areas with healthier ecosystems tend to generate higher sales and profits, revealing an overlooked green benefit.

David Attenborough has captured and told the stories of nature to millions of people – and inspired scientists and conservationists the world over.

As a kid I would do his voice, put on my dad’s work shirt and host my own nature documentaries in the backyard

Conservationists hope Murray Watt’s review of national marine parks will ‘right the wrongs’ of previous downgrade of protection

This tiny community is enduring the ultimate balancing act, keeping hordes of tourists happy, mitigating the impacts of climate change and protecting their World Heritage-listed home. Lisa Millar explores how Shark Bay not only survives, but thrives.

Kal Glanznig had his urine tested as part of an upcoming documentary exploring plastic pollution in Australia. The results left him speechless.

We meet Dean Arthurell, an arborist with a passion for protecting Western Australia’s magnificent black cockatoos.

A centuries-old nautical technique is being redesigned within a small Sydney cove in a bid to save a tiny remnant population of a dying species.

In “a major success for the city”, seagrass has been replanted for the first time underneath new environmentally friendly boat moorings.

The High Seas Treaty will govern about two-thirds of the planet's oceans including vast areas beyond any country's borders.

A beach on a remote island, and home to nesting turtles, is annually overwhelmed by tonnes of plastic garbage. Christmas Island is doing what it can to help stem the never-ending tide of pollution.

Strict bans limiting commercial and recreational fishing in Perth and WA are announced in an effort to save some under-threat fish species from the brink of collapse.

Want to give and receive less stuff without being a scrooge? Experts offer their tips for enduring presents that sleigh * Change by degrees offers life hacks and sustainable living tips each Saturday to help reduce your household’s carbon footprint * Got a question or tip for reducing household emissions? Email us at changebydegrees@theguardian.com One of the best lines from Paul Kelly’s song How to Make Gravy is: “Have a merry Christmas, I’m really going to miss it, all the treasure and the trash.” While piles of Slinkies, scented candles and beach cricket sets might seem like a rite of passage, unfortunately for the environment, research from the Australia Institute suggests when it comes to Christmas presents, in the balance of trash versus treasure, we are giving each other too much of the former. Nearly a third of Australians expect to receive Christmas presents they will not use or wear, amounting to $921m dollars’ worth of presents that will end up in landfill. Continue reading...

In what are dangerous times for democracies around the world, parliament’s overhaul of nature laws in the EPBC Act shows ambitious reform remains possible * Sign up for climate and environment editor Adam Morton’s free Clear Air newsletter here * Get our breaking news email, free app or daily news podcast The passage of long overdue reforms to the Environmental Protection and Biodiversity Conservation (EPBC) Act demonstrates powerfully that democratic governance is alive and well in Australia. The Australian parliament has done its job and passed 21st-century reforms that support a modern economy, enable the creation of new and sustainable jobs while promising not to destroy, but in fact improve, the health of the natural world. Continue reading...

After years of failed attempts, Australia’s environmental laws are finally getting an overhaul. But will they stop the damage done to nature?

One expert says he is ‘starting to visualise the point where all we have left of corals and reefs is memories’

Seagrass genomes of the deep-water Zostera pacifica and shallow-water Z. marina from the Eastern Pacific Ocean provide evidence for low-light adaptation exemplified in the wild hybrid Z. marina × paci...

It is estimated half of the local seagrass habitat in Gamay (Botany Bay) has already been lost. Researchers and Aboriginal rangers are replanting seagrass fragments and using biochar to restore the ar...

A decades-long conservation project restoring vegetation between two renowned national parks could be accelerated using the carbon economy.

If you've ever been swimming or diving along the south coast of Australia, you might be familiar with the stunning array of colours and textures that make up our native seagrass meadows. But did you ...

Habitat fragmentation can exacerbate the impacts of habitat loss but is rarely quantified in marine environments. Using satellite-derived habitat maps, we identify widespread seagrass fragmentation f....

The West Australian government announces a new marine park to safeguard an enormous stretch of coastline adjacent to Ningaloo Reef.