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#oceans

23 posts19 participants1 post today
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Ika Makimaki

The damage America may do to the ocean will affect everyone.
Oceans know no borders.

Trump is not only undermining respect for multilateralism and America's standing in the world.
Science demonstrates that deep-sea mining will cause irreversible environmental damage, with ecosystems unlikely to recover on human time-scales.

Trump signs controversial order to boost deep-sea mining industry
aljazeera.com/news/2025/4/25/t

Al Jazeera · Trump signs controversial order to boost deep-sea mining industryBy Al Jazeera
#StopDeepSeaMining#ProtectTheOcean#oceans
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Pollutions Plaine Commune 93

- 4/5 de la #pollution #plastique des oceans vient des terres.
- 1/4 de la pollution plastique des #berges et #littoraux 🇫🇷 provient directement de billes industrielles utilisées comme base du plastique
- la masse de pollution plastique dans les #sols y seraient 4 à 23 fois plus élevées que dans les #océans,
- 1/10 des récoltes mondiales de riz, de blé et de maïs serait perdu à cause de la #toxicité des microplastiques pour pour ces plantes, dont 9/10 pour le riz en Asie.

mediapart.fr/journal/ecologie/

Mediapart · Les microplastiques étouffent les plantesBy Lise Barnéoud
Public
O=C=O

'Cryosphere meltdown' will impact Arctic marine carbon cycles and ecosystems, new study warns

A new study led by Jochen Knies from the iC3 Polar Research Hub has found worrying signs that climate change may be undermining the capacity of #Arctic #fjords to serve as effective #carbon sinks. The findings suggest that the capacity of polar #oceans to remove carbon from the #atmosphere may be reduced as the world continues to heat up.

Knies and his collaborators discovered that rapid changes in the Arctic are transforming vibrant fjord ecosystems like Kongsfjorden in #Svalbard. Published in Communications Earth & Environment, their findings document not only a shift in phytoplankton communities due to melting ice but also a worrying decline in the capacity of these fjords to sequester carbon.

Warmer waters can enhance #phytoplankton growth during sunlit summers, presenting an initial opportunity for increased productivity. However, as the waters become stratified, essential nutrients become harder to access, leading to a double-edged sword: while we may see a rise in phytoplankton #biomass, the efficiency of CarbonCapture could decline.

phys.org/news/2025-04-cryosphe

#ClimateScience
#ClimateCrisis
#Cryosphere

Global warming may weaken Arctic fjords' ability to store carbon. This is Kings Bay in Svalbard. Credit: Till Bruckner / UiT
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Ika Makimaki

2. Hooked on Greed from Life Under Water
pca.st/episode/50e4ea13-6369-4

An engaging #podcast about the impact of the fishing industry (and particularly bottom trawling) on the health of the #oceans, with a really touching personal story of a shark fisher turned conservation activist. 🦈

2/3
#BanBottomTrawling #ProtectTheOceans

Pocket CastsHooked on Greed - Oceans: Life Under WaterJoin us on an unforgettable journey across the waves as we meet some of the world’s most beautiful creatures and explore their mysterious habitats. We'll be hearing stories about life under the water, and speaking to the incredible people dedicating their lives to the oceans. In this series, wildlife filmmaker and photographer Hannah Stitfall embarks on a voyage aboard the Arctic Sunrise, joining the Greenpeace team in their fight for these ecosystems and to celebrate all the good that is being done to protect them. Go to @oceanspod on TikTok and Instagram, to see some highlights from our voyage to the Arctic.  To find out more about Greenpeace’s work to protect the oceans and how you can support go to greenpeace.org/oceans This series, we’re also offering listeners access to some very special bonus content. If you want to get an exclusive look behind the scenes head over to https://act.gp/3DlVyIB This series is brought to you by Crowd Network and Greenpeace UK, partners in bringing these powerful stories to life with the utmost beauty and responsibility. Archive footage courtesy of Greenpeace.
Public
Chris Rowan

Direct observation of turbidity currents carrying microplastics - and larger plastic litter! - into the deep ocean.

"The same turbidity currents that flush microplastics also bring oxygen and nutrients to the deep sea, forming biodiversity hot spots in the same locations where plastic pollution accumulates." Yikes.

eos.org/articles/avalanches-of

Eos · Avalanches of Microplastics Carry Pollution into the Deep SeaBy Grace van Deelen
#geology#pollution#oceans
Continued thread
Public
Nonilex

Mass #CoralBleaching has frequently coincided w/episodes of #ElNiño, a global #climate pattern that usually increases #temperatures. That was the case in 1998, 2016 & again last year, which was the warmest year on record.
#Oceans have been steadily absorbing rising temperatures for years, but in 2023 & 2024, temps broke records w/spikes that alarmed scientists. #Seas are also becoming more acidic as they warm, which can dissolve corals’ skeletons & make it harder for them to grow.
#ClimateCrisis

Continued thread
Public
Nonilex

The massive blow to #marine #habitats reported by #NOAA — the highest share EVER recorded — comes as the #planet experiences its fourth global #coral bleaching event, which occurs when bleaching is confirmed in every one of the #oceans’ basins at once.

NOAA says the latest global event began on Jan 1, 2023, & mass bleaching has now been observed across at least 83 countries & territories, threatening #MarineLife from Fiji to the Florida Keys to Australia’s Great Barrier Reef.

#ClimateCrisis
Public
Nonilex

Largest #coral bleaching event on record harms 84% of #global #reefs

Bleached coral dies when exposed to #heat stress for too long, threatening the bountiful #marine #ecosystem that depends on it for survival.

#CoralReefs around the world are losing their color at an unprecedented scale as a result of rising #sea #temperatures, marine scientists announced this week, w/ 84% of reefs exposed to bleaching levels of heat since 2023.

#ClimateCrisis #oceans #conservancy
washingtonpost.com/climate-env

The Washington Post · Largest coral bleaching event on record harms 84 percent of global reefsBy Leo Sands
Public
Mongabay

Coral reefs around the world have been subjected to unprecedented heat stress since early 2023. A new report finds heat-related coral bleaching has damaged corals in more than 80 countries, making it the most extensive bleaching event ever recorded, with no clear end in sight.

By Shanna Hanbury
news.mongabay.com/short-articl

Mongabay Environmental News · Ongoing global coral bleaching event affects 84% of world’s reefsCoral reefs around the world have been subjected to unprecedented heat stress since early 2023. A new report finds heat-related coral bleaching has damaged corals in more than 80 countries, making it the most extensive bleaching event ever recorded, with no clear end in sight. Between January 2023 and April 2025, heat stress impacted 84% […]
#News#Conservation#Environment
Public
David Salesa 🌱

"Sea surface temperatures are rising 4.5 times faster since 2019 than they were at the end of the 1980s.
[...]
Our study clearly identifies the increasing accumulation of planetary energy as the dominant driver of long-term sea surface warming, while short-term variations from El Niño, volcanic activity and solar changes add variability but do not alter the overall accelerating trend.”

#Oceans #ClimateChange

esa.int/Applications/Observing

www.esa.intSea surface warming faster than expectedSatellite observations show that sea-surface temperatures over the past four decades have been getting warmer at an accelerated pace.
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