Giant kelp (
Macrocystis pyrifera) is a potential energy crop.
Linking Tourism & Conservation/Flickr
Making biofuels from crops grown on land poses trade-offs between food and fuel. A new study looks offshore.
The polar night can last for weeks and even months in the high Arctic.
Rowan Romeyn/Alamy Stock Photo
A transcript of episode 5 of The Conversation Weekly podcast, including stories on the Arctic Ocean and new archaeological finds in Tanzania’s Olduvai Gorge.
The Arctic is warming two to three times faster than any other place on Earth.
Kevin Xu Photography via Shutterstock
Plus, new discoveries about early humans in Tanzania’s Olduvai Gorge. Listen to episode 5 of The Conversation Weekly podcast.
An array of leaves showing the diversity of kelp in underwater Arctic forests.
With global warming, underwater Arctic kelp forests are proliferating, and might be a potential resource.
Recent marine heatwaves have devastated crucial coastal habitats, including kelp forests, seagrass meadows and coral reefs.
Marine heatwaves, like their land counterparts, are growing hotter and longer. Sea species in southeastern Australia, southeast Asia, northwestern Africa, Europe and eastern Canada are most at risk.
Southern bull kelp can drift huge distances before washing ashore.
A chance discovery of some kelp that floated for 20,000km before washing up on an Antarctic beach has opened up a new chapter in our understanding of the currents that swirl around the Southern Ocean.
Kelp forests in South Africa are thriving but the marine life relying on it aren’t.
Climate change affects kelp forests all over the world differently. In southern Africa, they seem to be thriving which should be good news. The marine life relying on kelp, are however struggling.
Kelps form Australia’s neglected Great Southern Reef.
Cool-water kelp forests are being eaten by tropical species moving south on warming waters.
The 2011 heatwave hit kelp forests hard along a long stretch of WA coast.
A 10-week surge in ocean temperatures off the Western Australian coast has killed off large patches of kelp forest, the “biological engine” of Australia’s southern reefs.