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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 18/09/2026

Happy #FossilFriday! Two spines from an unknown fossil echinoid (Archaeocidaris or Miocidaris), Permian, north-central Texas. Good examples of pre-Mesozoic Marine Revolution arms race in sea urchins. Small squares are mm scale; large squares are cm scale. 🦖🧪#echinoid #Permian #Paleontology

Two sea urchin spines, up to a half cm wide and almost 5 cm long, look like baseball bats with many spikes coming out of the sides, almost like medieval weapons.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 18/09/2026

Where facts won't alter a person's opinion on climate change or anything else, emotional engagement and learning to care about something (compassion) might. When it's personal, it's important. www.nature.com/articles/d41...

nature.com

El Niño goes viral — and scientists learn what makes people care about the climate

Evoking emotions is more likely to prompt people to engage with climate efforts than are data alone.

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Reposted by Dr. C. L. Schneider

Dr. Or M. Bialik |📚|🔬|🌊|⚒️ @obialik.bsky.social · 05/08/2026

A sentence I would rather never hear, yet here we are: "Global Warming Has Accelerated Significantly". #ClimateChange 🧪 Link: agupubs.onlinelibrary.wiley.com/doi…

Yearly average global mean surface temperature from five data sources, in two versions: (top) unadjusted, (bottom) adjusted for El Niño/Southern Oscillation, volcanism, and solar variation. All are aligned so that the average from 1991 to 2020 equals 0.88°C, to approximate warming since pre-industrial.

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Prof Ian Hall @ianhall.bsky.social · 06/08/2026

Europe's forests are hitting a tipping point. 6.5 Pg of aboveground biomass lost since 1985, with annual losses surging 46% since 2018. Climate-driven disturbances are accelerating carbon losses and weakening one of Europe's most important natural carbon sinks. www.nature.com/articles/s41...

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/08/2026

This is what happens in the beginning of a mass extinction: chaos as each species responds individualistically to its requirements for survival. Range shifts, establishment of refugia, even expansion of environmentally tolerant species are parts of the breakdown of ecosystems. 🦖🧪🦤🌎 #6thExtinction

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/08/2026

Sigh. To all of us who experience this, my sympathies. Hang in there. Thank you to those working to save our world from a 6th mass extinction and to those working toward a global sense of community and humanity, no matter how large or small an effort. You are making a difference.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/08/2026

Happy #FossilFriday to all! I celebrate inverts today! Atrypide brachiopod (probably Desquamatia sp.) cross-section in core with spiralia (lophophore supports). Latest Givetian Firebag Member, Waterways Formation, northeast Alberta, Canada. Note geopetal of calcite spar above the spiralia. 🦖🧪

A vaguely flattened, sheild-shaped cross section of the shell of a brachiopod fossil, flattened-valve down, with three upside-down U-shaped sediment-filled features defined by small white shelly dots, which are the cross-section of the "ribs" of the spiralia. The area of the shell above the spiralia is filled with calcite spar: it's a geopetal structure. The shell itself is white. The background sediment that the shell is in is a dark grey shale.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 03/08/2026

One of the characters used in cladistic analysis of predator species should be boxes: if it fits and sits, then it's definitely feline. (For paleo: Would Smilodon have fit and sat?) #Cats #Evolution #ScienceHumor 🧪🦖

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Climate.us @climate.us · 10/07/2026

What is Climate.us? It’s a new independent, nonprofit climate information website with a simple goal: keep trusted climate science easy to find, easy to understand, and available to the public. Climate information is a public good. Climate.us is here to help protect it. Explore Climate.us 🌍️ 🧪

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Zack Labe @zacklabe.com · 10/07/2026

100 years of June sea surface temperature anomalies... wait for the last frame (record high) 🫣 Data from ERSSTv6: www.ncei.noaa.gov/products/ext... 🌊

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 10/07/2026

I appreciate the satire, but please, let's not. Even tiny efforts across many people add up. Maybe there is a small spot or an activity where we can each decrease our impact and footprint on Earth today; then let's find something again tomorrow, and then the day after that...

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 10/07/2026

Hang on, fellow humans, this could be an "interesting" year. Stay safe, reduce your emissions and carbon footprint even if you can do only a little, help keep the future a tad cooler. Yes, there are bigger issues than individuals' impacts, but a lot of us doing a little adds up to a lot. 🧪🌎🦤

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 10/07/2026

These places should be preserved as important refugia for corals to survive ocean warming. #ClimateChange #CoralReefs #SixthExtinction #6thExtinction

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 10/07/2026

Happy #FossilFriday! Corals in the limestone of the Coralville Devonian Fossil Gorge near Iowa City, USA, Cedar Valley Group. Learn more and take a virtual tour of this really cool site: www.mvr.usace.army.mil/coralvillela... paleorepository.sites.uiowa.edu/virtual-tour... 🧪🦖

A grey rock surface has a coral in cross section on the left and a coral in plan view on the right. The cross-section has a brush-like texture, fanning upward in the photo. The plan view is like an eroded, rock honeycomb, filled with structures that include a small round bump in the centre of each honeycomb. A hand lens, which is used to look at specimens in magnification when doing fieldwork, sits between the corals, for scale. The hand lens is between 1 and 2 cm in diameter.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 29/06/2026

“Heatwaves are here to stay, until we turn the tap off to global emissions. They’re more frequent, they’re more intense and they’re lasting longer.” - Samantha Burgess, deputy director of Europe’s Copernicus Climate Change Service, via Nature Briefing. 🌎 🧪 #ClimateChange #GlobalWarming

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 27/06/2026

Most subterranean CCS is BS: CO2 absorption by rocks is slow. Putting CO2 in pores in rock means that it will leak out in the future. Plus, sinks for CO2 have a finite limit; there is only so much land for trees and so much CCS potential rock, while we keep digging up the stuff that produces CO2.

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Dr Charlie Gardner @charliejgardner.bsky.social · 27/06/2026

Actually, maybe it's not that funny that loads of climate stuff has been cancelled due to extreme heat Maybe it's a very serious sign that things are going very, very wrong

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 27/06/2026

Although the rest of the post didn't come through, this is the quote of the day. Somewhere in the process of civilization, we forgot how to adapt. We need to re-learn how to adapt. We may not have a choice if we continue to force the Earth to adapt to our desires. 🧪🌎 #ClimateChange #GlobalWarming

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 22/06/2026

" It turns out that heat waves not only create tinder-dry fuel sources, they also limit fire-suppressing humidity at night and promote lightning that can ignite vegetation" - Nature Briefing 🧪🦤🌎 #ClimateChange www.science.org/doi/10.1126/...

science.org

Heatwaves enable wildfire activity in the western United States

Heatwaves are associated with a disproportionate share of wildfire activity and trends in the western US in recent decades.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/06/2026

Just putting in a post for one of my favourite clothing companies: I've had some of my shirts for years and they are still pristine, so sustainable also applies to longevity of clothing. Very quick turnaround for orders. Great wear for ecological conferences and marine labs. www.kindredcoast.com

kindredcoast.com

Kindred Coast - 100% Canadian made sustainable apparel

Small business located on Vancouver Island focusing on sustainable materials and practices. Screen printing on tshirts, hoodies and sewing clothing for men, women and children. Shop online and get you...

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/06/2026

I'm screaming. Are you screaming? Southern Ocean warming is too fast, faster than natural background warming. The Anatarctic is out of sight, out of mind for many but the Southern Ocean is a critical to global ocean circulation and global climate. 🌎🧪🦖

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/06/2026

Dismantling these stations will be a major catastrophe for global society and for protecting the long-term health of the global ecosystem. Head-in-sand reactions to the changing oceans and climate: if you don't detect or acknowledge it, it isn't happening. But Nature never follows our rules. 🌎🦤🧪

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Garry Peterson @resiliencesci.bsky.social · 07/06/2026

We Are in the Anthropocene—Now What? Rockstrom+ doi.org/10.1029/2025... explores 3 pathways: 1. A manageable Anthropocene—achieving sustainable stewardship 2. A dangerous Anthropocene—navigating the edge 3. An unmanageable Anthropocene—suffering a hostile Earth system mode

Anthropocene landscape of human action (horizontal axis) and Earth system response (vertical axis).

Green, orange and red areas conceptually represent manageable, dangerous and unmanageable versions of the Anthropocene, respectively.

The three illustrative pathways are depicted as lines.

Human forcing (specifically, how fast the turnaround to net zero emissions happens) makes the difference between pathways 1 and 2, while climate sensitivity causes different temperature outcomes in pathways 2 and 3. A few worst-case type surprises involving feedbacks to warming within the carbon cycle (cc) and through rising equilibrium climate sensitivity (ECS) that are so far typically unaccounted for in Earth system models are illustrated by purple dotted arrows. Note that the upward vertical part of pathways 2 and 3 (2100–2150) is an effect by design of the prescribed extended emission scenario SSP 2-4.5, which holds emission levels constant during that period (land-use change emissions offsetting a decrease in industrial CO2 emissions).

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/06/2026

Per Sir Attenborough: "We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about that." 🌎🦤🧪 #SixthExtinction #ClimateChange #6thExtinction Let's go for the green! See below:

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/06/2026

Further proof that we will need our global network of protected areas to remain robust for thousands of years. See my talk at #OceansPast #OceansPastInitiative #OPI #6thExtinction (Plus: check out this open access article!) 🌎🦤🧪

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 07/06/2026

No. How many of my fellow researchers have sleepless nights instead, trying to clean up the messes and catastrophes that others are causing?

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 08/05/2026

In addition to loss of pollinators, direct habitat destruction, and pollution... #6thExtinction

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 08/05/2026

In honor of Sir David Attenborough: "There, perfect in every detail, glinting as though it had just been polished, was a coiled seashell… an object of breathtaking beauty, and my eyes were the first to see it since its occupant died 200 million years ago." Happy 100th, Sir David! #FossilFriday 🦖⛏️

Sir David Attenborough, in a windbreaker jacket, is in front of a lake, holding a coiled ammonoid. Next to him is the mould of the ammonoid in another rock.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 08/05/2026

And a hopeful quote from the same amazing human: “In my lifetime I’ve witnessed a terrible decline. In yours, you could and should witness a wonderful recovery.” - UN COP26 We can do it, fellow humans. Let's stop being a plague and start being citizens of Nature. 🌎 Happy birthday, sir David!

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Climate Central @climatecentral.org · 08/05/2026

🚨Northern Norway has recorded its hottest April ever measured!

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 08/05/2026

Happy 100th, Sir David Attenborough! A quote from 2021 to the United Nations COP26 climate meeting: “In my lifetime I’ve witnessed a terrible decline. In yours, you could and should witness a wonderful recovery.” Let's make this birthday wish come true. #Conservation #6thExtinction 🦖🦤🧪🌎

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Zack Labe @zacklabe.com · 06/05/2026

100 years of changing May sea ice... Total data set available from 1850 through 2017. Summary of methods: www.carbonbrief.org/guest-post-p.... More sea ice reconstructions at zacklabe.com/arctic-sea-i...

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 05/05/2026

May 5. Not Cinco de Mayo. Not Sith Day. Not teacher's day (although yay, teachers!) Red Dress Day. No more missing and murdered indigenous women and children. Make it stop!

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Reposted by Dr. C. L. Schneider

Climate Central @climatecentral.org · 05/05/2026

Join #ClimateCentral for the next Monthly Climate Brief! We’ll explore the latest climate trends – including updated El Niño forecasts and long-term snow drought impacts. 📅Thursday, May 14, 2026 ⏰12 PM ET / 9 AM PT Register ➡️ climatecentral-org.zoom.us/webinar/regi...

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Julianne Wingate @julieannewingate.bsky.social · 05/05/2026

Climate Change is here. How will you help protect our earth ?

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 05/05/2026

Watching for Blob 3.0 in the Pacific northeast...

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 05/05/2026

Temperate and tropics only in this graph; not included are the rapidly increasing polar oceans.

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Dr. C. L. Schneider @stardusttostarfish.bsky.social · 05/05/2026

Ocean currents not only influence climate but they also keep ocean ecosystems healthy. Shutdown of ocean currents = stagnation of ocean = extinction of species. This is the first current that could go. Once they are off, it's centuries to millennia, before they start up again. 🧪🦤🌎 #6thExtinction

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Prof. Eliot Jacobson @climatecasino.net · 01/05/2026

Breaking News! Code: y-axis alert! As of the latest Nino 3.4 anomaly forecast dated May 1, 2026, the y-axis has been extended to now include the possibility of a +4°C El Nino. The coming El Nino may turn out to be the strongest ever recorded. Stay tuned!

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Prof Ian Hall @ianhall.bsky.social · 01/05/2026

Addressing non-CO2 GHGs alongside CO2 is essential for climate mitigation, but distributional effects remain a major concern. Now a study shows that when climate policy extends beyond CO2, the resulting costs are unevenly distributed across households worldwide. www.nature.com/articles/s41...

nature.com

Inequity arises from multi-gas mitigation - Nature Climate Change

Addressing non-CO2 greenhouse gases alongside CO2 is essential for climate mitigation, but distributional effects remain a major concern. Now a study shows that when climate policy extends beyond CO2,...

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