Stelios Katsanevakis

@skatsanevakis.bsky.social

4.7K followers 3.1K following 230 posts

Professor of Marine Ecology @University of the Aegean. Focus: marine conservation, biological invasions, marine biodiversity, and ecological monitoring. #GuardIAS #MarinePlan #GES4SEAS #NemoTools #BioBoost+ #CamBioMed #INSPIRE #MarineEcology #BioInvasions .. more

Videos

Environmental science 67%

Geography 18%

Posts Replies Media Videos

Stelios Katsanevakis @skatsanevakis.bsky.social · 10h

New reality: the 1.5 °C target is slipping out of reach. Glen P. Peters argues that while staying under 1.5 °C may become impossible, staying well below 2 °C remains within reach — and urgent, pragmatic policy action can still make a difference.
journals.sagepub.com/doi/full/10....
🧪🌍 #ClimateChange

Is limiting the temperature increase to 1.5°C still possible? - Glen P. Peters, 2024

It is always possible to find arguments to make 1.5°C forever possible, but they increasingly diverge from reality. It is time to admit that the world will cros...

journals.sagepub.com

Reposted by Ángel Borja

Stelios Katsanevakis @skatsanevakis.bsky.social · 14h

Congratulations!!! That is awesome!

Reposted by Stelios Katsanevakis, David Johnson

Zack Labe @zacklabe.com · 17h

📣 We just released a new free resource at @climatecentral.org - a 72-slide deck introducing key facts about climate change, including its causes, impacts, and solutions. It also comes with speaker notes and links for local storytelling.

➡️ www.climatecentral.org/climate-matt... (English & Spanish)

Screenshot of at least 20 slides on Climate Change: Key facts from Climate Central.

Reposted by Stelios Katsanevakis, Julie L. Lockwood, Trevor A. Branch

Nicolas Fulghum @nicolasfulghum.bsky.social · 19h

NEW data | Less than 50% of Australia's electricity generation came from fossil fuels in October 🇦🇺⚡️

This was the first month ever where renewables have overtaken fossil fuels in Australia's electricity mix.

10 years ago, in October 2015, fossil fuels made up 86%.

Reposted by Stelios Katsanevakis

Dr Angel Borja @drangelborja.bsky.social · 1d

On #WorldScienceDay 🌊 meet Tikta, #GES4SEAS project software to assess risks and impacts from cumulative pressures and map the environmental status of sea. Name is inspired by Tiktaalik a Greenland word as it can be used for both marine and terrestrial assessments.
👉 www.ges4seas.eu #MarineEcology

Reposted by Stelios Katsanevakis

Prof William Ripple @williamripple.bsky.social · 1d

In our State of the Climate Report, my coauthors and start by saying: We are hurtling toward climate chaos. The planet's vital signs are flashing red. The consequences of human-driven alterations of the climate are no longer future threats but are here now. Read report here doi.org/10.1093/bios...

Stelios Katsanevakis @skatsanevakis.bsky.social · 4d

🌍🚨 The UN warns that 2023–25 are set to be the three hottest years on record — pushing the 1.5 °C goal out of reach and risking irreversible climate damage.
www.theguardian.com/environment/...
🧪 #ClimateChange

Triple-whammy of hottest ever years risks ‘irreversible damage’, says UN

Experts say 2023, 2024 and 2025 the three hottest years in 176 years of records, with 1.5C Paris agreement target now ‘virtually impossible’

www.theguardian.com

Reposted by Stelios Katsanevakis

Covering Climate Now @coveringclimatenow.org · 4d

Earlier this week, @sammyroth.bsky.social talked about the #GatesMemo with climate scientists @kimcobb.bsky.social, @hausfath.bsky.social, @katharinehayhoe.com & @weatherwest.bsky.social. Watch the video here 👇

The Bill Gates Memo: Climate Scientists Respond with Urgency

Hear from Kim Cobb, Zeke Hausfather, Katharine Hayhoe and Daniel Swain.

coveringclimatenow.org

Reposted by Stelios Katsanevakis

Zeke Hausfather @hausfath.bsky.social · 5d

There are a lot of things I agree with in Bill Gates' new climate memo, but I think it sets up a false dichotomy between reducing emissions and helping the world's poorest. I've put together a piece with my thoughts over at TCB:

On the Gates climate memo

There is a lot of things I agree with in Bill Gates’ new memo on climate change, but I think it fundamentally sets up a false dichotomy.

www.theclimatebrink.com

Reposted by Sonia I. Seneviratne, Stelios Katsanevakis, Peter Thorne

Glen Peters @glenpeters.bsky.social · 5d

Why did GHG emissions rise?

50% of the increase was from land-use change, primarily due to more fires during El Niño. We expect this to drop in 2025. LUC is also very uncertain.

All other main regions, except EU27, with rising emissions in 2024.

2/

A waterfall plot showing 50% of the increase due to land-use change, and emissions increasing in all other regions except EU.

Reposted by Julie L. Lockwood, Dominik Wiedenhofer

Stelios Katsanevakis @skatsanevakis.bsky.social · 5d

The world can’t wait for the U.S. to lead on #climate. 🌍
Regional alliances, ocean action & innovative finance must take the helm.
Great read: “How to fight climate change without the US” (Nature) 👉 www.nature.com/articles/d41...

#ClimateAction #COP30 🧪🌐

Reposted by Stelios Katsanevakis, Virgilio Hermoso

Biodiversa+ INSPIRE Project @inspire-biodiv.bsky.social · 6d

Marine Spatial Planning (MSP) aims to protect and restore biodiversity whilst ensuring coastal communities remain economically viable. Read our latest post from the @biodiversa.eu INSPIRE Greece-Aegean Sea case study to find out more about our approach. 🐟🌊

www.inspire-biodiversa.com/post/marine-...

Marine Spatial Planning in the Aegean Sea

Marine Spatial Planning (MSP) needs to answer a fundamental question: where should protection and restoration happen so that biodiversity goals are met while coastal communities remain economically vi...

www.inspire-biodiversa.com

Reposted by Stelios Katsanevakis

Cameron Thrash @jcamthrash.bsky.social · 6d

Underestimated input of terrestrial dissolved organic carbon to the ocean www.pnas.org/doi/abs/10.1... #jcampubs 🌊

Underestimated input of terrestrial dissolved organic carbon to the ocean | PNAS

The contribution of terrestrial dissolved organic matter (DOM) to the ocean has been an enigma for decades. Tracking terrestrial DOM in the ocean h...

www.pnas.org

Reposted by Stelios Katsanevakis

Infopoint #Klimawandel #Artensterben @infopointa.bsky.social · 7d

"The Amazon rainforest, historically fire-resistant, is experiencing an alarming increase in wildfires due to climate extremes and human activity."

Extensive fire-driven degradation in 2024 marks worst Amazon forest disturbance in over 2 decades
Bourgoin et al 2025
bg.copernicus.org/articles/22/...

Stelios Katsanevakis @skatsanevakis.bsky.social · 8d

#Climate denial isn’t just rejecting science—it’s defending the myth of endless growth. As The Limits to Growth warned decades ago, we can’t expand forever on a finite planet. What we need now is a new story of progress—one rooted in limits, care, and belonging. 🧪🌍🌐
An excellent read 👇

Richard Douglas @maitrereynard.bsky.social · 26d

Climate denial and the defence of modernity www.resilience.org/stories/2025...

Climate denial and the defence of modernity

What we are lacking is an inspiring vision of our lives, collective futures, and spiritual reality in a world in which we cannot keep growing forever. As much as we need policy wonks, scientists, and ...

www.resilience.org

Reposted by Stelios Katsanevakis, James M. Bullock, Tatiana Ilyina , and 9 more Stelios Katsanevakis, James M. Bullock, Tatiana Ilyina, Christopher Wright, Philippe Quirion, Dustin Mulvaney, Tuomas Mattila, Suzanne de Cheveigné, Dana R. Fisher, Anthony Burke, Béatrice Cointe, Pavel Kratina

Dr. Aaron Thierry @thierryaaron.bsky.social · 9d

I've finally got around to curating a selection of films about the #climate crisis 🎥

There's lot of mediocre climate films out there, but for me these stand out head & shoulders above the rest 🎞️

They make excellent resources for classrooms, lecture halls, or community cinema's 🎬

Thread:🧵Plz RT

Stelios Katsanevakis @skatsanevakis.bsky.social · 9d

3. Promoting “unpublished records” collaborative articles — inviting hundreds of marine scientists to share and mobilize valuable data hidden in their files.
Here are some examples from past collaborations:
www.reabic.net/journals/bir...
www.reabic.net/journals/bir...

www.reabic.net

Stelios Katsanevakis @skatsanevakis.bsky.social · 9d

2. promoting citizen science initiatives to report records of #InvasiveSpecies:
guardias.eu/join-our-gua...

Join our GuardIAS iNaturalist project “Aquatic Invasive Alien Species Occuring in Europe”

guardias.eu

Stelios Katsanevakis @skatsanevakis.bsky.social · 9d

1. encouraging colleagues to submit their data to #GBIF
www.gbif.org

GBIF

Global Biodiversity Information Facility. Free and Open Access to Biodiversity Data.

www.gbif.org

Stelios Katsanevakis @skatsanevakis.bsky.social · 9d

Fully agree!
In @guardias.bsky.social project we promote data sharing and open data principles through various approaches:
👇(1/n)

IPBES @ipbes.net · 9d

A study by I. R. Onley, P. Cassey, & M. A. McGeoch shows that biodiversity data sharing platforms are key to managing biological invasions. Closing the "knowing-doing" gap can create better conservation outcomes. 🌍

Read the full article: https://link.springer.com/article/10.1007/s10531-025-03058-1

Reposted by Stelios Katsanevakis

Dr Angel Borja @drangelborja.bsky.social · 9d

Our book in @frontiersin.bsky.social is doing well: over 180000 views & downloads of the chapters included there. The interest on marine cumulative effects on ecosystem components is evident
Another success of #GES4SEAS project
#MarineEcology
#Research
free here
www.frontiersin.org/research-top...

Reposted by Stelios Katsanevakis, Karen R. Lips

IPBES @ipbes.net · 9d

Reposted by Stelios Katsanevakis

Dr Angel Borja @drangelborja.bsky.social · 10d

Tomorrow is #WorldEcologyDay, to celebrate it at #GES4SEAS project we have made this video on ecosystem-based management #EBM for seas. Integrating all ecosystem components is important for an ecological approach to #sustainable use of the #ocean

#MarineEcology
#Research

youtu.be/EsS3YvEWHEg

Ecosystem-Based Management: seeing the big picture

YouTube video by GES4SEAS

youtu.be

Reposted by Michael E. Mann, Katharine Hayhoe, John Kennedy , and 8 more Michael E. Mann, Katharine Hayhoe, John Kennedy, Stelios Katsanevakis, Wim Thiery, Julie L. Lockwood, Dominik Wiedenhofer, Victor Galaz, James Goodwin, Ben Rosamond, Tim Stephens

Daniel Swain @weatherwest.bsky.social · 11d

I wanted to offer some thoughts on the Gates climate memo that has been circulating this week. While I can't directly speak for others, I can say that my own response is one of dismay & deep frustration (and that this view is shared by many climate/Earth scientists). [1/n]

Reposted by Brian J. Enquist, Julie L. Lockwood

Stelios Katsanevakis @skatsanevakis.bsky.social · 11d

Global #fish #invasions transform #ecosystems.
Until now a unified view was missing.
Our Global Fish Invasion Database (GFID) fills this gap.
1538 spp across 193 countries.
Led by Phillip Haubrock
esj-journals.onlinelibrary.wiley.com/doi/pdf/10.1...

#bioinvasions #InvasiveSpecies

GFID: A Global Fish Invasion Database

We present the Global Fish Invasions Database (GFID), the first standardized, comprehensive global dataset of 1536 established non-native fish species across 193 countries. GFID includes detailed met...

esj-journals.onlinelibrary.wiley.com

Reposted by Brian J. Enquist

Stelios Katsanevakis @skatsanevakis.bsky.social · 11d

Excellent collection of climate data visualizations!

Zack Labe @zacklabe.com · Nov 30

🧵 Looking for (polar) climate data visualizations? Start here! 📈📉🧪⚒️🌊

+ Polar climate change: zacklabe.com/arctic-sea-i...
+ Global climate change indicators: zacklabe.com/climate-chan...
+ #Arctic sea ice extent: zacklabe.com/arctic-sea-i...
+ #Antarctic sea ice: zacklabe.com/antarctic-se...

Reposted by Stelios Katsanevakis

PIK_climate @pik-potsdam.bsky.social · 11d

Global #climate targets could face major setbacks as forests, soils, and the oceans lose strength as carbon sinks, warns the 2025 edition of “10 New Insights in Climate Science” by @futureearth.bsky.social. Authored by 70 scientists, including researchers from PIK: www.pik-potsdam.de/en/news/late...

Stelios Katsanevakis @skatsanevakis.bsky.social · 11d

Fighting invasive species is a race against time. 🕒
Samuel Vander Velpen unveiled an AI tool from the EU #GuardIAS project that unifies scattered biosecurity data—so experts can act faster to protect our oceans. 🌊🤖
#MarineEcology #InvasiveSpecies #bioinvasions 🌍🌐

GuardIAS @guardias.bsky.social · 12d

Fighting invasive species is a race against time. 🌊

But critical data is often scattered across countless reports and databases.

At the NZ Marine Sciences Conf, Samuel Vander Velpen showed off a new AI tool from the EU #GuardIAS project designed to fix this exact problem.

(1/3)

Stelios Katsanevakis @skatsanevakis.bsky.social · 11d

We’re losing #biodiversity faster than we can record it. New species keep emerging from the Southern Ocean’s depths — yet many vanish before we even know they exist. Discovery and #conservation must go hand in hand. 🌊 e360.yale.edu/digest/southern-ocean-new-species
#MarineEcology 🧪 🌍 🌐

'Death Ball' Sponge and Glowing Worms Among Creatures Discovered in Southern Ocean

e360.yale.edu

Reposted by Stelios Katsanevakis

GuardIAS @guardias.bsky.social · 12d

The big win: Biosecurity experts can stop the laborious data-digging and focus on making faster, more informed decisions to protect our ecosystems. 🛡️

A fantastic collaboration between GuardIAS, vicuniwgtn.bsky.social, and Nelson Artificial Intelligence.

#InvasiveSpecies #BioInvasions #IAS

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