:)

After decades of warnings, new data suggest the Atlantic’s vital circulation may withstand climate warming better than feared.

https://www.science.org/content/article/ocean-current-warms-europe-may-be-more-resilient-feared

TADEAS:

A landmark May 2026 study in Nature Climate Change (Duke/Fudan Universities) found that airborne microplastics are net warming agents — colored micro- and nanoplastics suspended in the atmosphere contribute to warming at a level equal to roughly 16% of that caused by black carbon (soot) (Gizmodo) . Dark or pigmented particles absorb up to 74.8 times more solar radiation than pristine clear plastic, and in regions like the North Pacific Garbage Patch, local warming from plastic rivals or exceeds that from soot. (Karmactive) Separately, microplastics also act as ice-nucleation seeds in clouds, triggering freezing at warmer-than-normal temperatures and potentially altering precipitation patterns and cloud cover globally. (psu) On glaciers, dark particles reduce surface reflectivity and accelerate melt. Storms amplify the problem: during typhoons, researchers recorded massive deposition events that redistribute ocean plastics onto land

• Nature Climate Change (May 4, 2026) — Original paper: Atmospheric warming contributions from airborne microplastics and nanoplastics
• Scientific American — Airborne microplastics could be making climate change worse
• Gizmodo — Scientists identify another contributor to global warming
• Penn State — Microplastics impact cloud formation, likely affecting weather and climate
• C&EN — Airborne microplastics could be making the world warmer
• Business Standard — Microplastics found to trap heat, play role in global climate change
• Karmactive — Airborne microplastics carry 16.2% of black carbon's warming power

PER2:
Another red alert for American science
https://doi.org/10.1126/science.aej3572

The USDA’s Beltsville Agricultural Research Center has been the go-to resource for American beekeepers for over a century. When 1.6 million bee colonies collapsed between June 2024 and March 2025, scientists there worked quickly to find out why. Six months later, they had an answer it was a viruses spread by pesticide-resistant mites.

The Trump administration announced it was closing the lab. Their reasoning is the facility is “underutilized and redundant.” Bees pollinate roughly 80% of U.S. crops fruits, nuts, vegetables, cotton. The research happening at Beltsville isn’t “underutilized and redundant.” It’s what stands between a bad season and a food supply crisis. And the administration just shut it down right after it proved exactly why it exists.

Members of Maryland’s congressional delegation say the closure may be illegal without congressional approval. Farm groups are pushing back. But the administration is moving forward anyway.

This isn’t about budget efficiency. It’s about dismantling the federal science infrastructure that protects American agriculture one “redundant” lab at a time just like the Trump administration claimed about the forest service!

The USDA’s Beltsville... - Alt National Park Service
https://www.facebook.com/share/14eUGSMNAkN/

J Pecho
https://www.facebook.com/share/1LNpw9aWiZ/

Predstavte si 540 miliónov rokov klímy strednej Európy v jednej obrazovej sérii — od najstarších prvohôr až po to, ako môže naša krajina vyzerať o pár generácií.

Začneme v plytkom tropickom mori s trilobitmi (pred 520 mil. rokov). Pokračujeme do hustého uhoľného pralesa pri rovníku s 35-metrovými šupinatými stromami a vážkami s rozpätím krídel 70 cm (pred 310 mil. rokov). Stáda "raných" dinosaurov v polopúšti superkontinentu Pangea (pred 220 mil. rokov). Pravták Archaeopteryx krúžiaci nad tropickou bavorskou lagúnou (pred 150 mil. rokov).

V eocéne — pred 48 miliónmi rokov — bolo Nemecko ako Indonézia: palmy, krokodíly, prví primáti v korunách stromov. Bolo o 12 °C teplejšie ako dnes.

Potom dlhé ochladzovanie. Posledná doba ľadová pred 21 000 rokmi: mamutia step naprieč strednou Európou, stáda sobov a vlnatých nosorožcov, na fronte alpského ľadovca naši priami predkovia v kožiach. Pred 125 000 rokmi naopak medziľadová doba — teplejšie ako dnes, v Temži sa kúpali hrochy.

Po roztopení ľadovcov prví roľníci s drevenými dlhými domami ako ostrovy v mori hlbokých lesov. Stredoveké teplé obdobie okolo roku 1100 — anglické vinice, kvitnúce kláštory. Malá doba ľadová v 17. storočí — zamrznuté rieky, trhy priamo "na ľade".

A potom budúcnosť: +2 °C, +4 °C, +10 °C.

Najsilnejšia myšlienka? Posledný obraz série — Zem o 10 °C teplejšia okolo roku 2300 — stredná Európy vyzerá takmer identicky ako tá eocénna džungľa pred 48 miliónmi rokov. Palmy, tie isté krokodíly v rieke. More o 60 metrov vyššie. Panónska kotlina pod morom. A civilizácia? It´s gone (I suppose).

Paleoklimatológia nie je len o minulosti. Je to atlas našej budúcnosti — mapa, ktorú už raz Zem nakreslila. Stačí ju vedieť čítať.
---------------------------------------
Obr. generované AI (Claude, gpt, ...)

Zdroje, z ktorých vychádza vizualizačná séria klímy strednej Európy:

Prvohory–druhohory
• Inglis G.N. et al. (2020). Global mean surface temperature and climate sensitivity of the early Eocene Climatic Optimum, PETM, and latest Paleocene. Climate of the Past 16, 1953. (doi:10.5194/cp-16-1953-2020)
• Burke K.D. et al. (2018). Pliocene and Eocene provide best analogs for near-future climates. PNAS 115, 13288. (doi:10.1073/pnas.1809600115)
• Scotese C.R. (PALEOMAP Project) — paleogeografické rekonštrukcie kontinentov pre celé fanerozoikum

Pleistocén a doba ľadová
• Petit J.R. et al. (1999). Climate and atmospheric history of the past 420,000 years from the Vostok ice core. Nature 399, 429.
• Lüthi D. et al. (2008). High-resolution carbon dioxide concentration record 650,000–800,000 years before present. Nature 453, 379.
• Annan J.D., Hargreaves J.C. (2013). A new global reconstruction of temperature changes at the Last Glacial Maximum. Climate of the Past 9, 367. (doi:10.5194/cp-9-367-2013)
• Kindler P. et al. (2014). Temperature reconstruction from 10 to 120 kyr b2k from the NGRIP ice core. Climate of the Past 10, 887. (doi:10.5194/cp-10-887-2014)
• Clark P.U. et al. (2012). Global climate evolution during the last deglaciation. PNAS 109, E1134.
• Lambert F. et al. (2008). Dust-climate couplings over the past 800,000 years from the EPICA Dome C ice core. Nature 452, 616.
• Batchelor C.L. et al. (2019). The configuration of Northern Hemisphere ice sheets through the Quaternary. Nature Communications 10, 3713.
• Leger T.P.M. et al. (2026). First Alps-wide reconstruction of LGM glacial sediment transport. Earth Surface Dynamics 14, 361. (doi:10.5194/esurf-14-361-2026) — GPU-modelovanie alpského ľadu pre vizualizáciu LGM.

Súčasná klíma a budúce scenáre
• IPCC AR6 WG1 (2021). Climate Change 2021: The Physical Science Basis. Cambridge University Press. (ipcc.ch/report/ar6/wg1)
• Zemp M. et al. (2015). Historically unprecedented global glacier decline in the early 21st century. Journal of Glaciology 61, 745.
• EURO-CORDEX projekt — regionálne klimatické projekcie pre Európu (euro-cordex.net)
• CH2018 — Swiss Climate Change Scenarios — adaptačné scenáre pre Alpy

Referenčné monografie
• Gornitz V. (ed.) (2009). Encyclopedia of Paleoclimatology and Ancient Environments. Springer.
• Ruddiman W.F. (2014). Earth's Climate: Past and Future (3rd ed.). W.H. Freeman.
• Anderson D.E., Goudie A.S., Parker A.G. (2013). Global Environments through the Quaternary. Oxford University Press.
• Burroughs W.J. (2005). Climate Change in Prehistory: The End of the Reign of Chaos. Cambridge UP.

Globálna teplota a CO₂
• Westerhold T. et al. (2020). An astronomically dated record of Earth's climate and its predictability over the last 66 million years. Science 369, 1383. (doi:10.1126/science.aba6853)
• Foster G.L., Royer D.L., Lunt D.J. (2017). Future climate forcing potentially without precedent in the last 420 million years. Nature Communications 8, 14845. (doi:10.1038/ncomms14845)
• Hansen J. et al. (2013). Climate sensitivity, sea level and atmospheric carbon dioxide. Phil. Trans. R. Soc. A 371, 20120294. (doi:10.1098/rsta.2012.0294)

"For far too long Climate Activism has been used by Dumocrats to scare Americans, push horrible Energy Polices, and fund BILLIONS into their bogus research programs," he continued. "Unlike the Dumocrats, who use Climate Alarmism nonsense to push their GREEN NEW SCAM, my Administration will always be based on TRUTH, SCIENCE, and FACT!"

Trump rips Democrats after UN climate committee drops extreme projections | Fox News
https://www.foxnews.com/politics/trump-celebrates-un-climate-committee-moves-away-extreme-global-warming-scenario

plantážníci...


The U.S. Forest Service isn’t... - Alt National Park Service
https://www.facebook.com/share/1ak7oZnSM4/

The U.S. Forest Service isn’t managing forests anymore. It’s running a timber operation and poisoning everything else to do it.

A yearlong investigation by Mother Jones found that the Forest Service and private logging companies are systematically spraying thousands of acres of national forest with glyphosate (Roundup) to kill off native shrubs and wildflowers that compete with commercially valuable trees like Douglas firs and sugar pines.

After wildfires, forests naturally rebound with diverse vegetation and wildlife. What’s replacing that recovery is rows of industrial saplings surrounded by silence. No insects, birds, or flowers. It’s just dead zones.

Glyphosate application in California’s forests has quintupled over the last two decades in one year 266,000 pounds were sprayed a record. The World Health Organization classifies glyphosate as a carcinogen. The Forest Service is using it at industrial scale, on public land, to benefit private timber interests.

This is what “multiple use management” looks like when timber wins every time. Ecological health, wildlife habitat, native plant communities all of it gets written off as competition.

We Are Bombarding America’s Forests With Roundup – Mother Jones
https://www.motherjones.com/politics/2026/04/roundup-glyphosate-spraying-forests-monsanto-science-retraction-cancer-health-concerns-maha-trump-executive-order-supreme-court-bayer-lawsuits/

'Food insecurity is no longer just about low-income countries': Environmental economist explains how climate change is pushing agricultural systems to the brink | Live Science https://www.livescience.com/planet-earth/climate-change/food-insecurity-is-no-longer-just-about-low-income-countries-environmental-economist-explains-how-climate-change-is-pushing-agricultural-systems-to-the-brink

GLOBAL TEMPERATURE INCREASE PAST 3 YEARS WORST-CASE

By IPCC AR6, WG1, SPM temperature scenarios 2023, 2024 and 2025 are worst-case warming scenarios.

Figure AR6 WG1 | Climate Change 2021: The Physical Science Basis
https://www.ipcc.ch/report/ar6/wg1/figures/summary-for-policymakers/figure-spm-8

related

https://www.science.org/content/article/pesticides-may-wreak-havoc-gut-microbiome

Velmurugan Ganesan of the KMCH Research Foundation wondered whether pesticide exposure could explain a curious finding. In a study of almost 3000 people in southern India, his team found that 23% of participants in urban areas had diabetes, which clustered with classic risk factors such as obesity and high cholesterol. Yet in rural areas, the prevalence was still 16%, and there was no association with those risk factors. “We started wondering whether environmental chemicals could be playing a role,” Ganesan says.

The team then explored the effects of exposure to one widely used agricultural insecticide, chlorpyrifos, in mice. Previous animal studies had often tested high doses for short periods, but Ganesan’s team used what he calls a “realistic dose,” based on pesticide residues in the average Indian diet, for 120 days. The study, published in August 2025, found that chlorpyrifos reshaped the gut microbiome, with beneficial bacteria such as Lactobacillus declining and potentially harmful species such as Helicobacter rising. Mice exposed to chlorpyrifos also developed high blood sugar and diabetes, despite not gaining weight, says Karthika Durairaj, the study’s first author.

Another study co-authored by Ganesan suggests a possible mechanism: When gut microbes break down chlorpyrifos, they produce acetate and other metabolites the liver uses to make glucose through a process called gluconeogenesis, leading to elevated blood sugar levels.

Ganesan’s team is now analyzing blood, urine, and stool samples from people with diabetes, both with and without obesity, and healthy controls to examine whether the patterns hold up in humans. “We are working to show that diabetes induced by environmental chemicals is quite different [from lifestyle-associated diabetes] in its underlying disease mechanisms and could require different clinical care,” Ganesan says.

Pesticides appear to drive not just population shifts in the microbes, but also changes in their activity. In a large study published in 2025, for example, researchers exposed 17 representative bacterial species from the human gut to 18 different pesticides and detected changes in the microbial production of hundreds of small molecules. They included short-chain fatty acids, bile acids, and tryptophan-related molecules—compounds that help keep the gut lining healthy, regulate inflammation, and guide immune responses.

“Most studies focus on the effect of pesticides on … gut microbial composition, but this study shows that effects are far greater than that,” says study co-author Caroline Johnson, an environmental health epidemiologist at the Yale School of Public Health. The team also found that some bacteria accumulate pesticides within their cells, which could prolong their presence in the human body and increase the risk of long-term health effects.

co byste chteli zkoumat vy vseznalkove


For the second year in a row, US President Donald Trump has proposed significant cuts to the budgets of major US science agencies. Released Friday, the White House’s plan for federal spending next year also includes a ban on using federal funds for subscriptions and publishing fees for some academic journals.

The plan proposes cuts to federal agencies that fund or conduct research on health, space and the environment. Some of the steepest cuts would be made to the National Science Foundation (NSF) and the Environmental Protection Agency (EPA): the budgets of both would fall more than 50% in 2027 compared to their current levels. The budget for the US National Institutes of Health would drop 13%.

Trump administration proposes massive budget cuts to science | Scientific American
http://spklr.io/6009Ey7GS

inspirativni... brzy jiste i u nas

https://www.facebook.com/share/p/1CYp6kAs41/


The Trump administration is attempting to dismantle the U.S. Forest Service. The goal is to cause constant chaos so you can’t follow what’s happening day to day. Here is what’s going on.

BREAKING: The administration just announced a sweeping restructuring and it’s as bad as it sounds. Headquarters is leaving Washington D.C. for Salt Lake City. All nine regional offices are closing. More than 50 research facilities across 31 states are being eliminated. The regional system the agency has used since its founding in 1907 is gone.

In their place 15 political “state directors,” embedded with the same state officials and industry groups that have long pushed for more logging and fewer protections mirroring the Bureau of Land Management model that public lands advocates have fought for decades.

That puts 193 million acres (the largest public land system in the nation, bigger than Texas) under a structure designed for political access, not scientific stewardship.

Forest Service Chief Tom Schultz framed it as getting “closer to the forests.” What it actually does is gut the career scientists and independent oversight that stood between those forests and the people who want to exploit them.

Scientists won’t relocate en masse. Long-term studies, datasets, and research partnerships built over decades will collapse. Once that expertise walks out the door, it doesn’t come back.

The Forest Service was built by Theodore Roosevelt and Gifford Pinchot to keep professional, science-based management out of the hands of industry. That vision is being systematically dismantled not with a bang, but with a press release. 193 million acres. Gone from federal protection in all but name.

Arctic Winter Sea Ice Ties Record Low, NASA, NSIDC Scientists Find - NASA Science
https://science.nasa.gov/earth/arctic-winter-sea-ice-2026/

The Arctic just hit its lowest winter sea ice level in 48 years of recorded history for the second year in a row. On March 15, Arctic sea ice peaked at just 5.52 million square miles a statistical tie with last year’s record low. To put that in perspective, the missing ice compared to the 1981–2010 average is roughly twice the size of Texas. And it’s not just shrinking scientists say it’s also much thinner and more fragile than it used to be, with sea ice near the North Pole recording record-low thickness for several months now.

MARSHUS: v Coloradu už vystoupily v platnost úsporná opatření. Vody je zatím dost, ale už ji nemá moc co dál plnit.
Colorado residents face earliest water restrictions ever
https://www.nbcnews.com/science/environment/colorado-earliest-water-restrictions-ever-snow-drought-rcna265377

Kate Marvel, NASA’s leading climate scientist, has resigned her position, citing the White House’s attacks on science.

MSN
https://www.msn.com/en-us/money/other/prominent-researcher-exits-nasa-citing-us-attacks-on-science/ar-AA1ZkqAa

Informal Institutions in Policy Implementation : Comparing Low Carbon Policies in China and Russia
Anna Korppoo, Iselin Stensdal, Marius Korsnes


"At a time of global climate crisis, this crucial book examines the prospects for implementing low-carbon policies in the two global superpowers of China and Russia, focusing on the role of informal institutions in achieving reductions in greenhouse gas emissions. Chapters shed light on how informal institutions function and work in practice, how and why they take shape and how they influence formal low-carbon policies. Forensically examining five critical cases relating to Chinese and Russian institutions, this book demonstrates how informal institutions can both support and obstruct the achievement of formal policy goals. Through comparisons within and between each country, it shows how these dynamics differ and offers key hypothesis on the role of these institutions in policy implementation. Comprehensive and incisive, this book will be important reading for scholars researching public policy in China and Russia, particularly those specialising in environmental science and politics. The practical insights derived from new case studies will also be useful for policymakers working on climate mitigation policy"-- Provided by publisher

Informal Institutions in Policy Implementation : Comparing Low Carbon Policies in China and Russia - Anna’s Archive
https://annas-archive.gd/md5/b2183bbd0083aa22b3f3767acdb4178b

J Pecho
https://www.facebook.com/share/p/18Wiy7HA4G/

Lesy nie sú len zásobárňou uhlíka, ako sa často hovorí. Nová vedecká štúdia ukazuje, že pre naše prežitie sú ešte dôležitejšie. Okrem toho, že viažu CO₂, regulujú teplotu a vodný cyklus tak, aby nám uľahčili život.

Výskumníci zhrnuli desiatky štúdií a zistili, že v lese je počas dňa v priemere o 4 °C chladnejšie než na priľahlých lúkach; v tropických oblastiach je rozdiel často dokonca väčší než 6 °C. V mestách dokáže stromová zeleň znížiť teplotu o 1,5–1,7 °C. Počas vĺn horúčav býva v lesoch pocitovú teplotu až o 6–14,5 °C nižšiu ako na otvorených priestranstvách.

Toto ochladzovanie nie je len príjemné, ale zachraňuje aj životy. Odlesňovanie v trópoch vystavuje stovky miliónov ľudí vyšším teplotám a prispieva k desiatkam tisíc úmrtí ročne v dôsledku prehriatia. Výskumníci tiež upozorňujú, že lokálne otepľovanie spôsobené výrubom môže byť v niektorých regiónoch porovnateľné alebo silnejšie ako samotný signál globálneho otepľovania.

Lesy sú zároveň dôležitou súčasťou vodného cyklu. Zachytávajú zrážky, zlepšujú vsakovanie a dopĺňajú podzemné vody. Odparovaním vracajú vlhkosť do atmosféry a stabilizujú prietok riek. V tropických a monzúnových regiónoch znižujú riziko záplav, no v suchších oblastiach môže prílišná výsadba stromov naopak znížiť dostupnosť vody.

Dôležitý je aj kontext. Najväčší prínos majú prirodzené "staré" lesy a to predovšetkým na miestach, kde sa prirodzene vyskytovali aj v minulosti. Vysádzať stromy do stepí či tundry sa nemusí oplatiť: tmavé koruny absorbujú viac slnečnej energie ako svetlé trávnaté plochy alebo sneh a môžu spôsobiť lokálne oteplenie. Naopak, staré porasty majú jedinečnú schopnosť tlmiť teplotné výkyvy a regulovať kolobeh vody.

Lesy ovplyvňujú aj veľkopriestorové procesy: uvoľňujú organické zlúčeniny, ktoré pomáhajú tvoriť oblaky, a recyklujú vlhkosť, čo ovplyvňuje zrážky aj stovky kilometrov ďaleko. Výskum z Bornea ukazuje, že rozsiahla strata lesa zvyšuje denné teploty, zintenzívňuje extrémy a významne znižuje množstvo zrážok, čo priespieva k väčšiemu suchu.

Lesy teda pôsobia ako klimatická "infraštruktúra": ochladzujú, hospodária s vodou a zmierňujú extrémy lepšie než mnohé technické riešenia. Nemôžu síce zastaviť globálne otepľovanie, ale môžu urobiť teplejší svet znesiteľnejším. Aj preto odborníci zdôrazňujú, že ochrana a obnova pôvodných lesov patrí medzi najefektívnejšie a najlacnejšie formy adaptácie na zmenu klímy.

Zdroj:

https://www.science.org/doi/10.1126/science.ads4361 a

Forests don’t just store carbon. They keep people alive, scientists say
https://news.mongabay.com/2026/02/forests-dont-just-store-carbon-they-keep-people-alive-scientists-say/