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Moritz Pichler @moritzpichler.bsky.social · 25/06/2026

Sitting under the European heat dome, we predict global surface air temperatures of 1.62°C (2026) and 1.71°C (2027) above pre-industrial. 2026 will (more likely than not) be the 2nd hottest year on record, with a chance of becoming the hottest, depending on how El Niño develops.

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Haley Thiem @haleythiemwx.bsky.social · 27/06/2025

Sad to see that leadership didn’t approve of my suggested post language (assuming since this is what is posted) that I submitted on my last day in May as the social media manager. Allow me share some of our team’s kind words here instead:

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Moritz Pichler @moritzpichler.bsky.social · 02/06/2025

Just out: Our new paper addressing urgently needed clarity for the Paris Goals, given the imminence of the 1.5°C-crossing of the long-term global surface temperature anomaly. These results further underscore the need for deep & rapid emission reductions worldwide.

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Ben Sanderson @benmsanderson.bsky.social · 28/02/2025

The NOAA layoffs aren't just crude, they're a direct attack on US capacity to do climate science by firing highly productive young researchers. @zachlabe.com has an insanely strong publication history, part of the Fresh eyes CMIP team, WMO task teams etc. /1 www.gfdl.noaa.gov/zachary-labe/

gfdl.noaa.gov

Zachary Labe – Geophysical Fluid Dynamics Laboratorysearch

Zachary Labe Research Physical Scientist (NOAA Federal) Geophysical Fluid Dynamics Laboratory (GFDL), Seasonal-to-Decadal Variability and Predictability Division Email: zachary.labe@noaa.

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Richard Allan @rpallanuk.bsky.social · 28/01/2025

Level of global warmth in 2023/24 can only be explained by an acceleration of human caused #climate change based on @ioppublishing.bsky.social statistical analysis of multiple drivers: doi.org/10.1088/1748...

Figure 2 of Merchant et al. showing how an acceleration in Earth's energy accumulation trumps other natural drivers in explaing ocean warming

Earth's energy imbalance that is driving climate change is increasing, particularly so since 2010 and this accumulation of energy is accelerating global warmimg (Fig. 1 of Merchant et al.)

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Robert Rohde @rarohde.bsky.social · 10/01/2025

Now that everyone has their annual temperature data out, here is a quick summary across groups. In addition to record warmth in every dataset, it's the first year where most estimates are at least 1.5 °C (2.7 °F) warmer than the 1850-1900 baseline. berkeleyearth.org/global-tempe... 🧪

Chart showing 2024 temperatures across various temperature monitoring groups.

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Ed Hawkins @edhawkins.org · 10/01/2025

The data is in. 2024 was the warmest year on record, and probably in the whole of human history – about 1.6°C warmer than the pre-industrial period. More than 1 billion individual thermometer measurements, made by thousands of people over many decades, have been condensed into a single number.

Warming stripes for 1850-2024, changing from blues to reds as the world rapidly warms up

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Copernicus ECMWF @copernicusecmwf.bsky.social · 10/01/2025

The Global Climate Highlights 2024 report is now online. Delve in the analysis and access all the charts, information, and data on temperature, sea ice, precipitation, and greenhouse gas concentrations. Explore the data that defined 2024: bit.ly/40kQpcz #C3S #GCH2024

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Chris Smith @cjsmith.eu · 10/01/2025

2024 was the first year above 1.5°C. This does not mean that the 1.5°C level has been broken through. What remains to be seen is whether this is a continuation of 2023's trend, and what the causes are. www.theguardian.com/environment/...

theguardian.com

Hottest year on record sent planet past 1.5C of heating for first time in 2024

Highest recorded temperatures supercharged extreme weather – with worse to come, EU data shows

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Moritz Pichler @moritzpichler.bsky.social · 25/12/2024

@kleinezeitung.at follow-up zu den 1.6+°C (und rund doppelt so viel in Ö), insb. interessant re. "Technologieoffenheit" etc... www.kleinezeitung.at/meinung/denk...

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Prof. Stefan Rahmstorf @rahmstorf.bsky.social · 21/12/2024

Die globale Temperatur in den Messdaten von 5 Instituten verglichen mit den Projektionen von Klimamodellen laut #IPCC-Bericht (schwarz, Unsicherheit grau). 2024 ist das wärmste Jahr seit Beginn der Messungen; nach paläoklimatischen Daten wahrscheinlich sogar seit 120.000 Jahren.

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Pierre Friedlingstein @pfriedling.bsky.social · 15/12/2024

IATA projects a 6% increase in air passengers in 2025 ! Not one single word on environmental impact. Except in the cost section. Cost of carbon credits and « sustainable « fuel will be about 0.5% of revenues 🤬 www.iata.org/en/pressroom...

iata.org

Strengthened Profitability Expected in 2025 Even as Supply Chain Issues Persist

IATA announced its financial outlook for the global airline industry in 2025, which shows a slight strengthening of profitability amid ongoing cost and supply chain challenges.

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Moritz Pichler @moritzpichler.bsky.social · 11/12/2024

Very strongly related to the whole surface temperature issue:

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Moritz Pichler @moritzpichler.bsky.social · 11/12/2024

[dramatic first bluesky post] Gottfried Kirchengast and I here at the @wegenercenter.bsky.social have predicted that the global annual average 2-metre air temperature will be (1.62 +/- 0.05)°C above the pre-industrial level. Some additional thoughts:

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