The national project "WarmWorld" works on the new-generation global climate simulations at resolutions as high as 1 km. At @kit.edu a group of us met to discuss how to represent the cloud processes in clouds in such computationally-demanding models, to account for pollution effects on climate.

Currently at the annual meeting of the "Arctic amplification" collaborative research project. Discussion on how increases in convection in the Arctic make it more "tropical" with warming. ac3-tr.de funded by @dfg.de, partners @meteoleipzig.bsky.social, U Bremen, Köln, @awi.de, @tropos-de.bsky.social

Since one year, the Research Training Group "Economics of connected natural commons" studies the challenges of sustainably using ecosystems and the climate system as commons. We just come back from the first retreat between the 14 PhD candidates, advisers, and excellent invited external speakers.

By the way, Timo presented their nice paper demonstrating that climate attribution has the potential to change people's attitudes, and that people are even willing to pay for it: www.journals.uchicago.edu/doi/10.1086/...

Hosted by @meteoleipzig.bsky.social @unileipzig.bsky.social @tropos-de.bsky.social , ECO-N research training group funded by @dfg.de
Great lectures by @sebastian-sippel.bsky.social @frediotto.bsky.social @mdebrito.bsky.social @zscheischlerjak.bsky.social and more!

The current Advanced Training Module on "Climate Attribution", joinly by our interdisciplinary research training group "Economics of Connected Natural Commons" and the Leipzig Graduate school on Clouds, aerosols and radiation sparked large interest: 65 PhD researchers from 7 countries!

Cloud drop number is a key quantity to understand cloud processes. Getting it from satellites so far was very indirect. Gonzalez et al. @meteoleipzig.bsky.social @scadsai.bsky.social now created a machine-learning method to get it directly from satellite radiances ieeexplore.ieee.org/document/111...

How does cloud drop size distribution respond to aerosol? Hengqi Wang, visiting PhD researcher from Tsinghua university, used new data from satellite measurements of polarization from SRON/Netherlands to quantify the effect. Offsets systematically 7% of the aerosol-cloud forcing. rdcu.be/ezaeX

Congratulations and kudos to the citizens of Paris for once again leading in improving quality of life, safety, air quality, creating niches for #biodiversity and adapting to #climatechange! There is a street near where we have the privilege to live for a few months. A role model for other cities!

#StandUpForScience in Paris

Webinar series following the Evidence review report on Solar radiation modification for the European Commission, open to everyone:
23 Jan, 15 CET. scientificadvice.eu/events/solar...
3 Feb, 15 CET. scientificadvice.eu/events/solar...
11 Mar, 14 CET. scientificadvice.eu/events/solar...

Satellite measurements are very useful tools to learn about how clouds act in climate change. The interpretation requires inverse radiative transfer calculations. PhD researcher Jessenia Gonzalez now used machine learning to make this much faster. Excellent collaboration with @isp-uv-es.bsky.social

As the debate around solar radiation modification (SRM; aka geoengineering) intensifies, the European Commission asked about an evidence review report. Bottom line: SRM is no meaningful option to combat climate change. The debate helps to sharpen arguments. scientificadvice.eu/advice/solar...

Climate change and biodiversity loss are connected! This week we presented our ideas for a collaborative project to our national funding agency. Fingers crossed, we will know the outcome in May

Super Erfolg, voller Saal in der Albertina 👏

When we emit gases or particles to the atmosphere, at short timescale it adjusts, for example the clouds. This may amplify or dampen the the Earth energy balance.
New overview paper now out in AGU Advances from our CONSTRAIN EU project