Observations from the Little Bunker
A systematic observation of climate change, extreme weather events, and their cascading effects on society
🌍 Latest Environmental Observations
Supply–demand strategies for near-term climate benefits from hydrogen in the United States
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceHydrogen (H2) is critical for energy decarbonization. Previous H2research has overlooked key...
Multispecies sensory networks and social foraging strategies: Implications for population decline in procellariiform seabirds
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceForaging in the open ocean may require species with different sensory adaptations...
Inequality in air pollution–attributable mortality by income level between and within countries
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceAir pollution is one of the leading causes of adverse health impacts...
Evolutionary consideration of serial order processing by the normal rodent brain
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceThe mid-dorsolateral prefrontal cortex in the human and macaque monkey primate brains...
Poisonous sacs helped toads conquer the world
Iconic amphibians took an unexpected path across the globe, study finds—with toxins as a “game changer”
Pennsylvania Community Groups Urge Officials to Restrict Data Center Development
Tech companies have proposed building more than 20 of the power-hungry complexes around the state. Some advocates are seeking to control their growth through zoning.By...
Did lead poisoning doom Neanderthals?
Modern humans’ tolerance for the toxic metal may have helped them outcompete our closest evolutionary cousins
Nonuniform water distribution in Jupiter’s midlatitudes: Influence of precipitation and planetary rotation
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceJupiter is known for its colorful and dynamic appearance. However, its beauty...
Chemical characterization of C31 sterols from sponges and Neoproterozoic fossil sterane counterparts
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceThis study advances our understanding of the evolutionary timeline for early metazoans,...
At pre-COP in Brazil, climate finance roadmap to $1.3 trillion remains hazy
At the final round of talks in Brasília before COP30, officials and civil society groups told Climate Home News they were disappointed by a lack...
Search for a parity-violating long-range spin-dependent interaction
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceParity-violating interactions mediated by exotic bosons could reveal physics beyond the Standard...
Predicting the way forward for the Global Biodiversity Framework
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025.
An ancient cousin to humans probably built tools with its huge hands
New fossils reveal Paranthropus had massive yet dexterous hands
The principles behind equivariant neural networks for physics and chemistry
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. A distinguishing feature of the neural network models used in Physics and...
Reassessment of Kepler’s habitable zone Earth-like exoplanets with data-driven null signal templates
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceWe propose a data-driven null signal template (NST) method to reliably estimate...
‘This is bad news’: Australian tropical rainforest trees switch in world first from carbon sink to emissions source
Researchers say carbon emissions change in Queensland tropical rainforests may have global climate implicationsSign up for climate and environment editor Adam Morton’s free Clear Air...
Analysis: Only half of Chinese provinces finalise key ‘Document 136’ renewable rules
Only half of China’s provinces have finalised new rules for pricing wind and solar power, according to Carbon Brief analysis. Local governments are required to...
Cocoa Robbed Ghana of its Forests. Farmers Are Bringing Them Back
When Alex Tawiah and Georgina Nyarko first heard about beekeeping on their cocoa farm, they were skeptical. Could bees really help them earn a steady...
In This Issue
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025.
Generative AI for computational chemistry: A roadmap to predicting emergent phenomena
Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. The recent surge in generative AI has introduced exciting possibilities for computational...
More than 1,500 people displaced after typhoon remnants devastate Alaskan villages
At least one person was killed and two were missing after weekend storm battered two Alaska Native communitiesMore rain and wind were forecast Wednesday along...
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