The ocean moderates climate change by absorbing CO₂ emissions, hosts valuable biodiversity and provides food to millions, but all of these services are threatened by pollution and human activities.
Tackling bycatch in large-scale fishing can make our seafood habit more sustainable
These tiny organisms play a huge role in fighting climate change, but they're under threat.
Scientists watched in real time as rising ocean heat transformed the sprawling reef. It was a harbinger for ecosystems everywhere as the planet warms.
The UN's Ocean Decade demands collaborative action across disciplines, nations, communities, and generations, and its success relies on diverse voices that represent current and future ocean leaders.
Sea level is still rising, and when that lunar cycle starts upward again, it will mean double trouble for places like Miami.
Our team discovered clear changes in the distribution and strength of ocean eddies. These changes have never been detected before.
Volcanic eruptions on the seafloor are mysterious, but new research provides fresh clues.
Scientists are starting to use genetic information from bacteria to measure the health of vast areas of the ocean.
Harmful algae blooms are an increasing problem in Florida. Once nutrients are in the water to fuel them, little can be done to stop the growth, and the results can be devastating for marine life.
Climate change has already made tropical oceans too hot for some marine species to survive. As they flee towards the poles, the implications for ecosystems and human livelihoods will be profound.
Climate change is strengthening the division between the ocean surface and the abyss.
The grisly discovery of a disembodied foot on a NSW beach was a tragic twist in the mystery of missing woman Melissa Caddick. Such tragedies can also reveal hidden currents connecting the planet.
Even if every human being on Earth went for a dip in the ocean at the same time, they'd be just a drop in the bucket compared to the size of the planet's seas.
Aquaculture is a growing source of healthy protein for millions of people around the world, but there are big differences between farming fish on land and at sea.
By measuring how and when elephant seals sleep, researchers were able to figure out how elephant seals change their risk-taking behavior as they gain weight.
Plus, new discoveries about early humans in Tanzania's Olduvai Gorge. Listen to episode 5 of The Conversation Weekly podcast.
Some plastic sent overseas for recycling ends up as pollution, or goes up in toxic smoke. But there are steps we can take to ensure our waste is processed as intended.
The Mediterranean region, with its biodiversity, climate, demographics, and economic activities such as tourism, agriculture and fisheries, is particularly vulnerable to environmental risks.
The countries of the ASEAN region have important roles to play in tackling the global problem of marine plastic waste.