Robert Gieseke (Openclimatedata)
openclimatedata.net
Robert Gieseke (Openclimatedata)
@openclimatedata.net
Ye, I searched for the journal and its issue, maybe that helped.
Super fascinating topic 😀
January 15, 2026 at 5:11 PM
Google Books seems to have the scan with color.

books.google.de/books?id=MKZ...
January 15, 2026 at 8:52 AM
I assume you already found this one? (Not in color and cut off though.)

archive.org/details/kwit...
Zeitschrift für Vermessungswesen. ZFV, v.40 1911 : K. Wittwer [etc.] : Free Download, Borrow, and Streaming : Internet Archive
Zeitschrift für Vermessungswesen. ZFV, v.40 1911, K. Wittwer [etc.]
archive.org
January 15, 2026 at 8:23 AM
Reposted by Robert Gieseke (Openclimatedata)
Explore the full list of visuals here: climate.copernicus.eu/GCH2025-grap...
January 14, 2026 at 1:58 PM
Reposted by Robert Gieseke (Openclimatedata)
Spiralling global temperatures (1850-2025)

The last 3 years really jump out, rather like 2015-6 did when we first produced this graphic back then. Now, 2015-6 looks rather cool...

More on the spiral: doi.org/10.1175/BAMS...
January 14, 2026 at 11:37 AM
Reposted by Robert Gieseke (Openclimatedata)
In Germany, progress has been steady, with no policy-change-induced sharp changes for the last two years. Reaching 19% BEV share of sales for 2025.
January 7, 2026 at 7:10 AM
Reposted by Robert Gieseke (Openclimatedata)
2️⃣ : The 4th International Conference on #CDR (formerly International Conference on Negative Emissions) will be hosted by CMCC in Milan 🇮🇹 .

negativeco2emissions2026.com/call-for-abs...

❗ Deadline: 30 January 2026
Call for Abstracts – Negative CO2 Emission 2026
negativeco2emissions2026.com
January 7, 2026 at 4:12 PM
Reposted by Robert Gieseke (Openclimatedata)
1️⃣ : Do you have research on the potentials, limits, or risks of using CDR in climate mitigation strategies? Then submit your work to our upcoming #EGU session.

www.egu26.eu/session/56943

❗ Deadline: 15 January 2026, 13:00 CET.

Convening w/ @nadinemengis.bsky.social @felixschenuit.bsky.social
Session CL3.2.8
www.egu26.eu
January 7, 2026 at 4:12 PM