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Ryan Katz-Rosene, PhD

@ryankatzrosene.bsky.social

4.1k Following52.9k Followers

Professor studying contentious climate debates, climate urgency, 'Climateflation', and society-environment relations (and all things Canada 🇨🇦). Co-Host http://EcopoliticsPodcast.ca Views are my own (not my employer's)!

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@ryankatzrosene.bsky.socialOct 11, 2026, 3:40 AM

View from the Southern Shores of the St Lawrence

@ryankatzrosene.bsky.socialOct 8, 2026, 1:44 AM

Wrote something for the locals. What is the Super El Niño likely to bring to Gatineau Hills, based on local weather data from the last very strong El Niños?
Available at: thetradeoff.substack.com/p/the-super-...

@ryankatzrosene.bsky.socialOct 6, 2026, 4:26 PM

👀 Don't ask me why but I've gone down a crazy rabbit hole to find out why pure vanilla extract is so expensive, and came across this wild passage. Turns out growers have *ONE DAY* to *HAND POLLINATE* vanilla orchid flowers in order for them to produce the bean pods!

@ryankatzrosene.bsky.socialOct 1, 2026, 1:21 PM

Our era today is... beset with macroeconomic instability... crumbling political settlements across the Global North, growing inequality, ...unbridled speculation in AI, trade wars, actual wars and—sadly all too often forgotten in economic discussions—ecological and climate breakdown.

@ryankatzrosene.bsky.socialSep 29, 2026, 12:07 PM

Nice to see this book in print! (I wrote the ‘Canada chapter’). We’re holding a mini-launch during a Zoom Webinar tomorrow (Sep 30th). Sign-up here: www.cips-cepi.ca/event/the-in...

@ryankatzrosene.bsky.socialSep 18, 2026, 2:42 PM

Study by World Weather Attribution finds that “Rapid Warming in the Himalaya Exacerbates Geohazard Cascades Beyond Adaptation Limits”
Link: www.worldweatherattribution.org/rapid-warmin...

@cepi-cips.bsky.socialSep 8, 2026, 3:27 PMReposted by @ryankatzrosene.bsky.social

🚄 Canada recently announced plans to build Alto, a high-speed rail line connecting Toronto to Quebec City, and cities in between.

❓What does Canada have to learn from other national experiences with high-speed rail abroad?

Join us September 30 💻 >>> www.cips-cepi.ca/event/the-in...

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@ryankatzrosene.bsky.socialSep 3, 2026, 10:20 PM

Fellow profs (or students of environment): Don't forget the full Season 4 of the Ecopolitics Podcast is now available! Assign for class 'listenings': www.ecopoliticspodcast.ca/season-4/

ecopoliticspodcast.caSeason 4 | The Ecopolitics Podcast
@noellagray.bsky.socialSep 2, 2026, 6:57 PMReposted by @ryankatzrosene.bsky.social

Updating my Environmental Governance syllabus with some new episodes of the EcoPolitics podcast and just want to thank @ryankatzrosene.bsky.social and Peter Andrée for producing this excellent resource!

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@ryankatzrosene.bsky.socialSep 2, 2026, 3:00 AM

I've organized an event that may be of interest to anyone curious about the Alto high-speed rail project: What can we learn from other countries' experiences with high-speed rail development?
www.cips-cepi.ca/event/the-in...

cips-cepi.caThe International Political Economy of High-Speed Rail: Lessons for Canada from Abroad – Centre for International Policy StudiesCanada's leading centre for analysis and debate of international affairs.
@ryankatzrosene.bsky.socialAug 26, 2026, 6:55 PM

My cross-appointed department is hiring a tenure track Assistant Professor in Urban Sustainability. Check it out and apply if that's you! uottawa.wd3.myworkdayjobs.com/uOttawa_Exte...

uottawa.wd3.myworkdayjobs.comAssistant professor - Urban SustainabilityPosting Reason: New Position Job Family: Academic Leadership and Faculty Union affiliation: APUO Faculty/Department: Department of Geography, Environment and Geomatics_Professors and Researchers Campu...
@ryankatzrosene.bsky.socialAug 23, 2026, 6:22 PM

And we have a new all-time record warm *absolute* temperature for the oceans, according to ERA5 (which goes back to 1940): August 21st likely marked the warmest Sea Surface Temperatures have been for the entire Holocene period. Should be major news!

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@thenarwhal.caAug 21, 2026, 1:00 PMReposted by @ryankatzrosene.bsky.social

Why is everything so expensive these days? According to these two researchers, one of the biggest culprits is climate change. They call it "climateflation."

Originally published by @ca.theconversation.com.

thenarwhal.caHere’s how climate change makes inflation worse | The NarwhalThese researchers are tracking how climate change is making life more expensive
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@ryankatzrosene.bsky.socialAug 19, 2026, 2:41 PM

No matter how you slice it, Canada's wildfires seem to be getting worse: 1) Annual burn area: Trending up 2) Wildfire and Post-Wildfire Emissions and Withdrawals: Trending up 3) Average fire size: Trending up 4) Share of total forest area burned: Trending up

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@ryankatzrosene.bsky.socialAug 18, 2026, 2:37 AM

My view right now

@ryankatzrosene.bsky.socialAug 18, 2026, 2:27 AM

Tonight’s aurora has a bit of blue in it, if you look closely.

@ryankatzrosene.bsky.socialAug 14, 2026, 7:40 PM

According to a 2023 paper in Science, "El Niño persistently reduces country-level economic growth..." with $4.1 trillion and $5.7 trillion in global income losses attributed to the 1982–83 and 1997–98 El Niño events, respectively.

@ryankatzrosene.bsky.socialAug 12, 2026, 7:03 PM

It's almost as if each Super El Niño is warmer than the last? 🧐

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@ryankatzrosene.bsky.socialAug 12, 2026, 2:57 PM

Thanks

@james7jackson.bsky.socialAug 12, 2026, 7:56 AMReposted by @ryankatzrosene.bsky.social

🗞️ New article out in The Conversation - building on our recent article in Globalization, @ryankatzrosene.bsky.social Katz-Rosene and I further explore the ongoing issue of climateflation - theconversation.com/as-the-clima...

The original article is here - www.tandfonline.com/doi/full/10....

theconversation.comAs the climate breaks down, costs go up: Welcome to ‘climateflation’Fossil-fuel dependence, the costs of adapting to a changing climate and the transition to cleaner energy are all driving up costs.
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