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Luc Bernier

@lucbernier.bsky.social
4.4K followers 647 following 230 posts

Assistant Professor - Teaching Stream; School of Earth, Environment & Society; linktr.ee/berniejm - McMaster University @mcmasteruniversity.bsky.social

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Reposted by Luc Bernier
Prof Ian Hall @ianhall.bsky.social · 30/09/2026
How can the same El Niño cause drought in one part of the world and floods in another? theconversation.com/how-can-the-...
theconversation.com
How can the same El Niño cause drought in one part of the world and floods in another?
The climate science behind 2026’s super El Niño.
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Reposted by Luc Bernier
Prof Ian Hall @ianhall.bsky.social · 30/09/2026
23,000,000,000,000,000,000,000 joules. That’s the amount of heat the oceans absorbed in 2025. A number so huge it’s almost meaningless…until you realise it’s roughly 40× humanity’s annual energy use. The ocean is buying us time. We’re running out of it. www.theguardian.com/environment/...
theguardian.com
World’s oceans absorbed record heat equal to 40 times annual global energy use
The injection of thermal energy comes amid an increasing rise in sea levels and continuing acidification
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Luc Bernier @lucbernier.bsky.social · 23/09/2026
Un très beau - et bon - reportage de l'équipe de Rad sur les oubliés de la campagne électorale au Québec. www.youtube.com/watch?v=4pFF...
youtube.com
10 jours pour traverser le Québec | Élections Québec 2026 | Rad
YouTube video by Rad
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Reposted by Luc Bernier
Nagissa Mahmoudi @nagissa.bsky.social · 18/09/2026
We are hiring TWO new faculty members in Earth & Planetary Sciences at McGill! 🌎 We’re looking for new colleagues in: ⛏️ Critical Minerals for Sustainability 🌋 Solid Earth Processes If either is a good fit for you, please apply! Deadline is October 1. www.mcgill.ca/eps/about-us...
mcgill.ca
Employment Opportunities
Current Openings Join our extraordinary and diverse department! Tenure-track appointment in Critical Minerals for Sustainability Department of Earth and Planetary Sciences, McGill University (www.m...
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Frederic Arnould @fredericarnould.bsky.social · 17/09/2026
Carney, figure de proue, qui dit non à Trump… à C dans l’Air sur @france5.bsky.social
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Emmett Macfarlane 🇨🇦 @emmettmacfarlane.com · 20/08/2026
No biggie. I mean, modest gains in economic growth bring species back from extinction, no? www.cbc.ca/news/politic...
cbc.ca
Proposed changes to endangered species law would 'stab it to death,' says scientist | CBC News
The former chairs of a panel that advises the federal government on endangered wildlife have published an open letter highlighting concerns over proposed changes to the Species At Risk Act, which they...
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J Gwendie @gwendiem.bsky.social · 13/08/2026
www.cbc.ca/news/climate... Canada ranked 2nd last in climate & environmental performance among "Global West" countries & 29th in the world! Since the data was compiled for the latest EPI rankings, Prime Minister Mark Carney has nixed the consumer carbon price and said emissions will rise!
cbc.ca
Is Canada flunking climate? The picture isn’t great, but there might be a way out | CBC Climate Change News
In this issue of our environmental newsletter, we learn how Canada is doing compared to other countries in a recent environmental report card, see Nazi warships uncovered by drought and heat in Europe...
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Reposted by Luc Bernier
Dr. Jonathan Foley @globalecoguy.bsky.social · 06/08/2026
This is a really good overview of the energy costs of using AI by @zekehausfather.com www.theclimatebrink.com/p/the-real-e...
theclimatebrink.com
The real energy use of agentic AI
Agents use about 600x more energy than simple AI prompts
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Reposted by Luc Bernier
Canadian Climate Institute @climateinstitute.bsky.social · 30/07/2026
B.C. air quality is getting worse, and wildfire smoke is a leading reason. A new report by the B.C. Lung Foundation highlights that particulate matter from wildfires contributes to the premature deaths of about 1,900 people in the province every year. www.cbc.ca/news/canada/...
cbc.ca
All that wildfire smoke is making B.C.'s air quality worse, report finds | CBC News
The B.C. Lung Foundation's annual State of the Air report has found that wildfires are now the leading cause of fine particulate matter pollution in the province.
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Mongabay @mongabay.com · 29/07/2026
The collapse of the Amazon Soy Moratorium puts millions of hectares of rainforest at risk of legal clearing, a study warns. Researchers estimate the pact's end could drive 1.4 million hectares of direct deforestation over a decade, releasing carbon equal to Canada's annual emissions.
mongabay.cc
End of Brazil’s Soy Moratorium risks millions of hectares of Amazon rainforest: Study
Millions of hectares of Amazon rainforest are newly at risk of being legally deforested, a new study estimates. The potential increase in deforestation comes as soy companies have terminated their…
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Post Carbon Institute @postcarbon.org · 24/07/2026
We at Post Carbon Institute are devastated to share that last Sunday, July 19th, we lost our kind, brilliant friend and colleague, Richard Heinberg. The world has also lost a voice of clear, truth-telling wisdom. Richard will be greatly missed. www.resilience.org/stories/2026...
resilience.org
Devastating News: The Loss of Richard Heinberg
On Sunday, July 19, we lost our kind, brilliant friend and colleague, Richard Heinberg.
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Reposted by Luc Bernier
World Meteorological Organization @wmo-global.bsky.social · 27/07/2026
2015–2025 were the 11 hottest years on record. In 2025, extreme heat, wildfires, heavy rain & cyclones affected millions, causing widespread damage & disruption. In this WMO #StateOfClimate report, look back at the extreme weather events that shaped 2025: bit.ly/StateOfClimate2025
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Dre Joanne Liu @drejoanneliu.bsky.social · 18/07/2026
"Some doctors call it “walking Ebola” — symptoms of the rare Bundibugyo strain appear to worsen slowly, leaving patients sick enough to spread the virus but not so unwell to stop them moving through their communities". www.bloomberg.com/news/article...
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Noovo Info @noovo.info · 16/06/2026
Nouvelles: les médias sociaux dépassent la télévision pour la première fois. www.noovo.info/nouvelles/so...
noovo.info
Nouvelles: les médias sociaux dépassent la télévision pour la première fois
Cette arrivée des médias sociaux au sommet des sources d’information survient malgré le blocage des contenus d’information sur Facebook et Instagram.
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Emma McIntosh @emmamci.bsky.social · 14/06/2026
My latest. This story is based on FOI documents released before the Ford government changed the law. Under the new rules, the province will now be able to keep records like this secret.
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Gavin Schmidt @climateofgavin.bsky.social · 20/05/2026
People have asked me what I think, so... Scenarios, schmenarios… www.realclimate.org/index.php/ar...
realclimate.org
RealClimate: Scenarios, schmenarios…
RealClimate: The fantasy version of the normal updating of scenarios for a new round of CMIP simulations doing the rounds is bad faith BS. As climate folk will know, the community is currently embarki...
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Zeke Hausfather @zekehausfather.com · 18/05/2026
Two things can be true: • RCP8.5 was never a realistic "business as usual" scenario • The world has made real progress bending the emissions curve down Glen Peters, Piers Forster, and I explain in a new article: www.theclimatebrink.... 1/11
theclimatebrink.com
On the death of RCP8.5
We should celebrate progress, but not overstate it
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Eric Topol @erictopol.bsky.social · 22/04/2026
This is a FRAUDULENT paper, AI-generated. My name was used as an author and I had nothing to do with it, never saw it until today e-pubmed.co.uk/journals/dig... The "Editors" Angelo Rossi Mori, David Mensah, and Zarnie Khadjesari and this "Journal" should be reported.
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Bruno Guglielminetti @guglielminetti.bsky.social · 22/04/2026
Anthropic enquête après un accès non autorisé à son modèle Mythos. moncarnet.com/2026/04/22/a...
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David Ho @davidho.bsky.social · 04/04/2026
The Trump budget once again proposes to eliminate NOAA OAR, which brings you the CO₂ Keeling Curve. In this piece, I argued that the Keeling Curve is a treasure that belongs to humanity as the most poignant indication of our impact on the environment and as a testament to our ability to document it.
sfchronicle.com
Trump’s budget takes aim at gold standard measurement of atmospheric carbon dioxide
OPINION: “President Trump, a renowned climate change denier, has shown repeatedly that he has no use for scientific data that disproves his preconceived assumptions,” David Ho writes.
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Luc Bernier @lucbernier.bsky.social · 03/04/2026
Revue fort positive de Vol. II d'@anginedepoitrine.bsky.social par @pitchfork.com : pitchfork.com/reviews/albu...
pitchfork.com
Angine de Poitrine: Vol. II
Read Christopher R. Weingarten’s review of the album.
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Reposted by Luc Bernier
Dr. Mike P. Moffatt @mikepmoffatt.bsky.social · 19/03/2026
New World Happiness Report is out. Canada's rank has fallen to 25th overall (from 6th in 2013). More alarmingly, we're now 71st in happiness for 15-24 year olds. Anglo-American countries score particularly poorly on youth happiness, but Canada is particularly struggling.
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The Narwhal @thenarwhal.ca · 18/03/2026
The Ontario government wants to keep Premier Doug Ford’s communications a secret. It plans to seriously restrict what journalists and the public can ask for in freedom of information requests — including by blocking emails and call logs for top politicians. thenarwhal.ca/ontario-cana...
thenarwhal.ca
Canadians’ right to know is under threat | The Narwhal
Across Canada, governments are making it harder and harder for journalists to find out what’s happening behind closed doors
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Peter Gleick @petergleick.bsky.social · 15/03/2026
Dr. Paul Ehrlich, founder of the field of population biology, Stanford professor, prolific author of books on butterflies, birds, & human ecology, world-class environmentalist, outspoken scientist, and a personal friend, has passed away. A giant in the field of ecology. youtu.be/vW1z4n4Dusk?...
youtu.be
Paul Ehrlich: A Journey Through Science and Politics | Conservation Conversations with Sean O'Brien
YouTube video by NatureServe
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Reposted by Luc Bernier
The Conversation U.S. @us.theconversation.com · 29/01/2026
The world is entering an era of “water bankruptcy.” 💧 😪 People are now using so much fresh water amid the consequences of climate change that we're in an era of water bankruptcy, with many regions no longer able to bounce back from frequent water shortages. ⬇️
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Reposted by Luc Bernier
Mongabay @mongabay.com · 24/01/2026
The world is entering “water bankruptcy,” UN researchers warn — draining rivers, aquifers and glaciers far faster than nature can replace them. With 4 billion people already facing seasonal water scarcity, scientists say the crisis is now one of irreversible damage, not shortage alone.
news.mongabay.com
Overuse is pushing the world toward ‘water bankruptcy’
The world is depleting its freshwater far faster than nature can replace it, pushing many regions into “water bankruptcy,” according to a new report from the United Nations University Institute for…
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Reposted by Luc Bernier
John Vaillant @johnvaillant.bsky.social · 13/03/2026
Major #wildfires are breaking out across the Great Plains right now with a massive heat dome en route - a potentially disastrous combination. Re-upping this gift article as a PSA: www.nytimes.com/2024/03/02/o... @billmckibben.bsky.social @katharinehayhoe.com @dwallacewells.bsky.social
nytimes.com
Opinion | The Fires Sweeping Across Texas Offer a Terrifying Warning (Published 2024)
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Guardian Australia @australia.theguardian.com · 13/03/2026
Two police cars and two NT Emergency Service crews travel on the flooded Victoria Highway after assisting with the rescue of a man and his dog stranded in raging flood waters on a creek crossing west of Katherine. When roads are closed, only emergency services vehicles are allowed to proceed.
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Reposted by Luc Bernier
Grist @grist.org · 11/03/2026
The planet is overheating. Why is the news looking away?
dlvr.it
The planet is overheating. Why is the news looking away?
Since 2021, global media coverage of climate change has dropped 38 percent. Blame wars, political chaos, and Jeffrey Epstein.
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Dr. Jonathan Foley @globalecoguy.bsky.social · 09/03/2026
Protecting (and restoring) peatlands is a powerful climate solution. Check it out!
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Olivier Niquet @olivierniquet.com · 09/03/2026
«Le Devoir» de cité | Un Québec fou de ses VUS: ✱ Nos routes toujours en construction et congestionnées, ce n’est pas la faute des vélos.
ledevoir.com
«Le Devoir» de cité | Un Québec fou de ses VUS
✱ Nos routes toujours en construction et congestionnées, ce n’est pas la faute des vélos.
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Femke Nijsse @femkenijsse.bsky.social · 08/03/2026
A cool policy in the 1970s oil crisis in the Netherlands was the car free Sunday: When you give kids the space to play, they'll take it
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Reposted by Luc Bernier
Alex Usher @alexusherhesa.bsky.social · 05/03/2026
BUILD HOUSING YOU UTTER GOON
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Michel Lacroix @lacroixm.bsky.social · 05/03/2026
Une mise en garde utile: ce logiciel peut faire disparaître vos fichiers en un clin d’œil…
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Alex Usher @alexusherhesa.bsky.social · 27/02/2026
3/ But that's simply not true. CS/tech has a number of features that are completely unlike those in every other field. Sometimes, other fields can learn from CS/tech. more often, CS/tech needs to STFU and listen to other fields.
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Eileen Clancy 🧿 @clancyny.bsky.social · 20/02/2026
WSJ: OpenAI Employees Raised Alarms About Canada Shooting Suspect Months Ago By Georgia Wells ChatGPT maker opted against informing authorities about Jesse Van Rootselaar’s descriptions of violence last June. @georgiawells.bsky.social
wsj.com
Exclusive | OpenAI Employees Raised Alarms About Canada Shooting Suspect Months Ago
The ChatGPT maker opted against informing Canadian authorities about Jesse Van Rootselaar’s descriptions of violence last June.
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George Monbiot @georgemonbiot.bsky.social · 28/01/2026
Please spread this far and wide, as stories don't get much bigger than this. When the government blocks even the intelligence services from telling us we're heading for environmental catastrophe, you know we have a problem. A very big problem. Thank you. www.theguardian.com/commentisfre...
theguardian.com
The UK government didn't want you to see this report on ecosystem collapse. I'm not surprised | George Monbiot
It took an FOI request to bring this national security assessment to light. For ‘doomsayers’ like us, it is the ultimate vindication, says Guardian columnist George Monbiot
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Luc Bernier @lucbernier.bsky.social · 24/01/2026
If anyone still had any doubt about Windows 11 being nothing but clunkware: www.zdnet.com/article/wind...
zdnet.com
The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them
Some of the bugs have been resolved, but others continue to plague Windows users.
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Katharine Hayhoe @katharinehayhoe.com · 24/01/2026
More detailed simple explanation here! www.youtube.com/watch?v=nnMJ...
youtube.com
Climate vs Weather | Global Weirding
YouTube video by Global Weirding with Katharine Hayhoe
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Katharine Hayhoe @katharinehayhoe.com · 24/01/2026
I am a climate scientist and this is correct. As the planet warms, storms like the one today are getting stronger… and as the Arctic is warming twice as fast as the mid latitudes, it increases the risk of the “freezer door” swinging open. Technical explanation here: www.pnas.org/doi/10.1073/...
pnas.org
The intensification of the strongest nor’easters | PNAS
Nor’easters are coastal extratropical cyclones that feed upon both thermal contrasts (meridional and land-ocean) and oceanic latent heat release, c...
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Arsh Grewal @akgrewal.bsky.social · 16/01/2026
I'm currently looking for an MSc student to characterize water ages and storage in cold catchments. Several potential projects available, and I will support students who want to develop their own! If interested, please reach out soon at akgrewal@usask.ca, as Sept 2026 app deadlines are approaching!
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T. Ryan Gregory 🇨🇦 @tryangregory.bsky.social · 01/01/2026
None of this talk about a brain gain makes any sense unless funding for research is dramatically increased across the board in Canada.
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Luc Bernier @lucbernier.bsky.social · 31/12/2025
Interesting read from Art Berman: " Climate change, overshoot, ... They’re symptoms of a single mistaken stance toward reality: the belief that we stand apart from the living world, entitled to treat it as backdrop, warehouse, and waste bin until it pushes back." www.artberman.com/blog/the-met...
artberman.com
The Metacrisis Is Metaphysical: The Fallacies That Doom Our Solutions | Art Berman
I saw an article last week about Japan beaming solar power from space to Earth—a science-fiction fantasy treated as a practical near-term plan. Around the same time, I read a piece dismantling Elon Mu...
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Dr. Jonathan Foley @globalecoguy.bsky.social · 23/12/2025
This is 100% BS
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Mike Waddington 🇨🇦 @peatofmind.bsky.social · 18/12/2025
A decade ago, we published our highly cited "Hydrological Feedbacks in Northern Peatlands" paper in Ecohydrology. Today the sequel just dropped! "Hydrological Feedbacks in Northern Peatlands 2: Peat Depth as a Control on Peatland Resilience" onlinelibrary.wiley.com/doi/10.1002/... 1/3
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John Morales @johnmoralestv.bsky.social · 17/12/2025
And now NCAR. Science, on all fronts, is in tatters. The regression leaves the country and the world much worse off. Recovery from this damage to the United States will take decades.
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T. Ryan Gregory 🇨🇦 @tryangregory.bsky.social · 16/12/2025
And you *definitely* don't do it by *cutting* already poor funding at home. financialpost.com/globe-newswi...
financialpost.com
Some science and research investments protected, no core investments for colleges and universities in Budget 2025
OTTAWA, Nov. 05, 2025 (GLOBE NEWSWIRE) — As a funding crisis at Canada’s colleges and universities results in hundreds of program suspensions, campus closures, an…
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T. Ryan Gregory 🇨🇦 @tryangregory.bsky.social · 16/12/2025
You *don't* do it by spending $1.7 billion to recruit internationally while funding continues to stagnate at woefully insufficient levels at home. www.science.org/content/arti...
science.org
In Canada, scientists are struggling with stagnant funding
Lackluster growth in federal spending squeezes research community
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T. Ryan Gregory 🇨🇦 @tryangregory.bsky.social · 16/12/2025
The way to make Canada a top global science leader is to a) prevent brain drain, and b) make it a go-to for the best researchers from around the world. You do this by having very robust, stable, and internationally competitive funding across the board -- not by huge one-time recruitment efforts.
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Prof Ian Hall @ianhall.bsky.social · 16/12/2025
Glaciers to reach peak rate of extinction in the Alps in eight years www.theguardian.com/environment/...
theguardian.com
Glaciers to reach peak rate of extinction in the Alps in eight years
Climate crisis forecast to wipe out thousands of glaciers a year globally, threatening water supplies and cultural heritage
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