Giacomo d Orlando
The best strategy to protecting Earth’s coral reefs is to dramatically cut greenhouse gas emissions. But in the meantime, we must urgently make corals more resilient.
At a depth of more than 60 metres, the gorgonians are healthy, colourful and in good condition, protected from the rise in temperature.
In the Mediterranean, heat waves are decimating underwater forests that are essential to ecosystems. The gorgonians seem to be better able to resist in the depths, but this refuge may only be temporary.
Floodwaters pulsing into the sea normally clear within six days. But the 2022 floods in eastern Australia were different.
Matt Curnock / Ocean Image Bank
Experimenting with climate messaging reveals the best ways to inspire individual action. Here’s how to talk about the Great Barrier Reef this summer.
Giant eddy currents in the sea spread heat. But if trapped in place, they can cause marine heatwaves deadly to sea life. And there’s a big one shaping up off Sydney right now.
The costs of climate change are clear with the flood devastation in Lybia simply being the latest grim example. What is also clear is that traditional policymaking has failed and climate assemblies may provide a novel and more equitable path forward.
(AP Photo/Jamal Alkomaty)
Climate assemblies may just provide the breakthrough required to develop popular, just and sustainable climate and energy policies.
New Zealand’s kelp forests provide food and shelter for many marine species of commercial and cultural value. But they are at risk from warming oceans, run-off from land and marine invaders.
Marine heatwaves aren’t just on the surface. They can be at their most destructive when they sweep along the seafloor.
A healthy reef on Kiritimati (Christmas Island, Republic of Kiribati).
Exploring the often unseen, and poorly understood, nuances of diversity within coral reefs may prove essential for ensuring the long-term health of Earth’s oceans.
We used to focus just on protection of vital ecosystems like the reef. But as climate change and other threats accelerate, we need to actively help nature get ready for the heat.
Elkhorn coral fragments rescued from overheating ocean nurseries sit in cooler water at Keys Marine Laboratory.
Ocean temperatures have hit record highs off the Florida Keys. Scientists and volunteer divers are racing to save these valuable creatures.
Incrementalism and politics as usual cannot save the Barrier Reef from the largest threat it faces – the heat ramping up from climate change
Mass coral bleaching in 2014 left the Coral Reef Monitoring Program monitoring site at Cheeca Rocks off the Florida Keys a blanket of white.
Water temperatures in the 90s off Florida in July are alarming, a NOAA coral scientist writes. Scientists in several North American countries have already spotted coral bleaching off their coasts.
The world’s oceans are getting hotter, quicker. And our marine species are seeking cooler waters. Keep your eyes peeled and you might spot one of these species on the move.
Seagrass meadows are an important part of the UK’s marine environment.
Benjamin Jones/Project Seagrass
Seagrasses need light to remain resilient to marine heatwaves – water pollution disrupts that balance.
Sea surface temperature anomaly around the UK and Ireland, June 18 2023. Areas in dark red are 5°C warmer than usual.
NOAA / Google Maps
A thin layer of surface water has been baked by the sun.
Jeff McIntosh/AP/Canadian Press
The 2021 Pacific Northwest heatwave outstripped even the most severe climate prections. A new study simulated 45,000 years of weather at Seattle Tacoma airport to try and figure out why.
Coral Brunner, Shutterstock
New research has unravelled the mystery of why sea sponges die when the water gets too warm. The cause of death appears to be the sudden loss of microbes that usually act to detoxify sponge tissue.
The oceans are getting hotter, with a likely El Niño and climate change responsible.
Marine heat waves can reach the ocean floor as well as surface waters.
Sebastian Pena Lambarri via Unsplash
El Niño can trigger intense and widespread periods of extreme ocean warming known as marine heat waves. They can devastate marine life.