Ryan Katz-Rosene, PhD

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Batshit

Dense, dark forests in Europe are a modern phenomenon For over 20 million years, the landscape of Europe has been a tree-rich mosaic of grasslands, scrubs and more or less open woodlands with an abundance of wildflowers. This is the conclusion of a new a...

"Instead, restoration efforts should place greater emphasis on creating and maintaining mosaics of woodland and open habitats—not least through the restoration of natural-living large herbivores," Svenning concludes.” From: phys.org/news/2026-03...

"The ecosystems… today lack the large wild herbivores that not only shaped landscapes but also sustained its biodiversity for millions of yrs. The most dramatic shift has largely taken place within the last 100 years, when traditional extensive grazing disappeared from large parts of the landscape,"

“Europe's landscapes over the past more than 20 million years have predominantly been a mosaic: a mixture of grasslands, scrub and woodlands of varying density. A light-filled, flower-rich open woodland shaped by grazing animals as a decisive ecological force—not a dark closed-canopy forest.”

BEV owner satisfaction hits record high despite slowing EV demand, says JD Power Nearly all BEV owners surveyed (96%) indicated they would consider leasing another BEV for their next car (3 min. read)

"Nearly all BEV owners surveyed (96%) indicated they would consider leasing another BEV for their next car—underscoring the staying power of the all-electric market even amid slowing U.S. demand and the rollback of federal policies that favor the powertrains."
news.dealershipguy.com/p/bev-owner-...

Yeah the warming stripes one is relative to 1961-2010 baseline.

Earth's Monthly Energy Imbalance, 2001 through 2025. Trending up. More energy is being 'locked in' to the Earth system.

Abrupt Gulf Stream path changes are a precursor to a collapse of the Atlantic Meridional Overturning Circulation - Communications Earth & Environment The northward shift and rapid displacement of the Gulf Stream provide an indirect early warning of Atlantic Meridional Overturning Circulation weakening and collapse, revealed by both high-resolution ...

Another potential early warning sign of an AMOC collapse described by vanWesten and Dijkstra. “These findings provide indirect evidence for present-day AMOC weakening and demonstrate that abrupt Gulf Stream shifts can serve as early warning indicator for AMOC tipping”

www.nature.com/articles/s43...

(Winters in Rhode Island)

Sort of. The graph I shared above is from CBC's Climate Dashboard. So they only have plots for Canadian locations. Nevertheless, the following two plots may be of interest: Left: "Warming Stripes" for Boston (Annual, not Winter); Right: Average Winter Temps, Massachusetts (not just Boston).

If feels like it's been a cold winter where I live. But it's actually not even close - Winters used to be way colder on average locally.

Carbon dioxide overload, detected in human blood, suggests a potentially toxic atmosphere within 50 years - Air Quality, Atmosphere & Health Air Quality, Atmosphere & Health - Anthropogenic activities are increasing the amount of carbon dioxide (CO2) in the atmosphere. There is mounting experimental evidence that lifetime exposure...

Link to study: link.springer.com/article/10.1...

“If these trends continue, blood bicarbonate values could be at the limit of the accepted healthy range in half a century, and Ca and P will be at the limit of their healthy ranges by the end of this century.”

If the findings of this study are even remotely close to being accurate it would signify the *absolute incompetence* of the current Trump Administration’s decision to overturn the Endangerment Finding.

From new criticism of the DOE CWG Report… link: doi.org/10.1029/2025...

“Satellite observations of this distinctive fingerprint are in accord with current state-of-the-art climate model estimates of human-caused temperature changes. The claim to the contrary made in the recent US Department of Energy review of climate science is factually incorrect.”

Can't Stop, Won't Stop. Renewables generated what is equivalent to more than a QUARTER of US Electricity needs last year.

Climate mitigation costs money. But it ends up avoiding way more costs in the future.

(I know, sadly it means I’ll probably never code!)

Suggestions welcome!

(Also a huge shout out to @kevinroose.com and @caseynewton.bsky.social for introducing me to ClaudeCode and the whole idea of Vibecoding! Listen to Hard Fork!)

This is truly insane. I've NEVER coded before. I didn't even have an Anthropic account. But I recently had an idea for a fun website to house all my favourite aurora chasing websites in ONE place. Downloaded Claude Code, and *within 1 hour*... this: iridescent-sundae-82b54e.netlify.app

https://academic.oup.com/qje/advance-article-abstract/doi/10.1093/qje/qjag011/8490467

Read the Abstract of this New paper by Bilal and Känzig “The Macroeconomic Impact of Climate Change: Global Versus Local Temperature”👇

FIFTIETH SEASON!? Good Lord that makes me feel old!

India comin' in hot!

https://www.science.org/doi/10.1126/sciadv.adx8813

Extreme fire weather is increasing. This new study finds that "over half of the observed increase [in Synchronous Fire Weather] is attributable to anthropogenic climate change"... yet the Merchants of Doubt™️ want you to focus on how agricultural expansion in Africa has reduced global burn area.

Emerging climate impact on carbon sinks in a consolidated carbon budget - Nature A re-assessment of the global carbon budget shows the natural land sink is substantially smaller than previously estimated, indicating emerging impacts of climate change on the evolution of the carbon...

And a more specific follow-up paper of relevance: www.nature.com/articles/s41...

Global Carbon Budget 2025 Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to bette...

It’s from the Global Carbon Project: essd.copernicus.org/preprints/es...

It's possible... as I think you know there is some scientific debate about this.

James, nice to meet you! (Your paper scares the shit out of me 😅). My understanding from recent work by GCP is that global land and ocean sinks are indeed becoming less efficient, but in NET terms are still growing, no?