Matthias Waltert

Our 2025 State of the Climate Report was just published in BioScience by scientists from around the world including @michaelemann.bsky.social @petergleick.bsky.social This video (2 minutes) shows the key highlights: doi.org/10.1093/bios...

Our planet is already in chaos. If you do not feel it yet, you will feel it in the future. Data do not lie, but interest groups and politicians may. We have the knowledge and the resources to respond. Let us do so!

The 2025 state of the climate report: a planet on the brink We are hurtling toward climate chaos. The planet's vital signs are flashing red. The consequences of human-driven alterations of the climate are no longer

academic.oup.com/bioscience/a...

Figure 2 from Rech et al. (2025) shows habitat selection estimates for cattle, horses, and buffalo, separated by feeding status and season.

Check out our new paper, led by Bent Rech: we investigate space use of semi-feral water buffalo, cattle, and horses in a Danish rewilding area. We found that the three species differ markedly in their seasonal habitat selection and responses to resources and infrastructure.
doi.org/10.1007/s002...

What moves large grazers? Habitat preferences and complementing niches of large herbivores in a Danish trophic rewilding area - Environmental Management Large herbivores (≥45 kg) fulfill key ecological functions. Since the Late Pleistocene megafauna diversity and abundances have declined sharply, with profound consequences for ecosystems. On this back...

link.springer.com/article/10.1...

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Neues Online-Angebot für Biodiversitätsinteressierte in Südniedersachsen!
fokus-vielfalt.de

Also visited the famous ‚Bobo‘ at the Mefou primate orphanage, and got familiar with other incredible Cameroon monkeys.

apeactionafrica.org/news/bobo-an...

Workshop with German and Cameroonian students on bird and primate monitoring; was part of the assembly of the Cameroon Primatological society CPS.

In Cameroon with students from Göttingen university. Two days of hiking and discussing with the mayor of Mbankomo the remaining biodiversity in Yaounde’s hills. There are solutions to stop encroachment but a compensation scheme is urgently needed to save Yaounde‘s green belt!

I was just told that I have to remove “climate” from the title of an ongoing grant if I want to keep it. And publications from that grant cannot include “climate” and other forbidden words. I can’t believe I’m writing this from the United States of America. #AcademicSky

Declaration To Defend Research Against U.S. Government Censorship This Declaration is a call to action for the scholarly communication community and additional stakeholders to condemn and resist recent acts by the U.S. government to censor scholarly research. We ca...

Science is for everyone.

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Pestizidreduktion: Mehr Biodiversität, stabile Erträge Pestizide schädigen mehr Arten als angenommen. Wie eine Landwirtschaft mit weniger Agrarchemie gelingen könnte.

Geht #Landwirtschaft mit weniger #Pflanzenschutz? Zu unserer neuen Studie zu #Pflanzenschutzmitteln in der FAZ: www.faz.net/aktuell/wiss... siehe auch www.finka-projekt.de

Natural sequestration of carbon dioxide is in decline: climate change will accelerate The rate of natural sequestration of CO2 from the atmosphere by the terrestrial biosphere peaked in 2008. Atmospheric concentrations will rise more rapidly than previously, in proportion to annual CO....

rmets.onlinelibrary.wiley.com/doi/10.1002/...

Unfassbares Medienversagen. 😳🤯

The study gives an updated estimate of ECS at 4.8ºC. This is higher than the IPCC suggests but aligns almost exactly with the “Global Warming has Accelerated” paper from Prof James Hansen et al, also published this week.

BREAKING NEWS ALERT EPA fires science advisers 01/28/2025 07:24 PM EST Acting EPA Administrator James Payne has ousted all members of two of the agency's most influential science advisory panels, giving President Donald Trump's administration the opportunity to reshape them with its own appointees. In an obliquely worded email sent late Tuesday afternoon, Payne said a decision had been made to "reset" the Clean Air Scientific Advisory Committee and Science Advisory Board "to ensure that the agency receives scientific advice consistent with its legal obligations to advance our core mission." EPA will seek nominations in the coming weeks, Payne added, with all members encouraged to reapply.

BREAKING: Acting @EPA Administrator James Payne has fired the agency's science advisors.

They will be replaced in order to, he says, "ensure that the agency receives scientific advice consistent with its legal obligations to advance our core mission," whatever that means.

YouTube video by Charlie Chaplin Charlie Chaplin - Final Speech from The Great Dictator

www.youtube.com/watch?v=J7GY...

Junior Professorship Economics of Agricultural Landscapes

🌱 Passion for sustainable agriculture? 🌍 Apply now for the Junior #Professorship "Economics of Agricultural Landscapes" (W1 with #TenureTrack W2) at HU Berlin & ZALF. 📅 Deadline: 03.02.25. Details 👉 haushalt-und-persona... #Agriculture #Research #Biodiversity #EcosystemServices