Observations from the Little Bunker
A systematic observation of climate change, extreme weather events, and their cascading effects on society
🌍 Latest Environmental Observations
Impacts of global warming on coastal flood risk to European surface transport infrastructure
Nature Climate Change, Published online: 14 January 2026; doi:10.1038/s41558-025-02518-4A Europe-wide probabilistic assessment of coastal flood risk to road and rail infrastructure, at different levels of...
Coastal flood risk to European surface transport infrastructure at different global warming levels
Nature Climate Change, Published online: 14 January 2026; doi:10.1038/s41558-025-02510-yTransport networks in coastal zones are critical for human activities and are faced with increasing flooding risk....
Global warming topped key 1.5C limit over last three years, EU scientists say
Global warming has hit “a milestone” as average temperatures have exceeded the critical 1.5C threshold for the longest period yet, European scientists warned on Wednesday....
Why almost none of the homes burned in LA have been rebuilt since last year’s fires
The Associated Press this week reported a stunning fact: Of the 13,000 homes destroyed a year ago in the extraordinary wildfires in and around Los...
Multipoint Observations of a SLAMS Evolution and Its Merger With Whistler Waves
Abstract We report multipoint observations of a merger between a Short Large‐Amplitude Magnetic Structure (SLAMS) and 1‐Hz whistler wave packets upstream of Earth’s quasi‐parallel bow...
Constraining the Stratospheric Sulfate Budget in Global Models: Insights From In Situ OCS Measurements During 2023 SABRE and Comparison With Satellite, Balloon and Surface Data
Abstract In situ carbonyl sulfide (OCS) measurements from the Stratospheric Aerosol processes, Budget and Radiative Effects (SABRE) 2023 airborne campaign are used to evaluate the...
Human activity helped make 2025 third-hottest year on record, experts say
Data leads scientists to declare 2015 Paris agreement to keep global heating below 1.5C ‘dead in the water’Last year was the third-hottest on record, scientists...
New Climate Reports Show ‘Unprecedented Run of Global Heat’
Data from multiple international agencies shows the reality of a rapidly warming world.By Bob BerwynSeveral annual international climate reports released Tuesday indicate that relentless human-caused...
Urban dandelions have evolved to stay close to home. That’s bad news
Small seed “parachutes” may be causing inbreeding
The Arctic’s ‘last ice area’ is showing signs of weakness
Mission to Canada’s Queen Elizabeth Islands reveals degradation of a sea ice haven
How Does Nature Contribute to the Economy? These Environmental Accountants Are Trying to Find Out
Experts are trying to determine nature’s financial contributions—and what could happen if they are lost.By Kiley PriceIn an era of rapid globalization, economic growth has...
In This Issue
Proceedings of the National Academy of Sciences, Volume 123, Issue 2, January 2026.
Urban heat mitigation under realistic roof and land area constraints
To simulate realistic impact of rooftop-based heat mitigation strategies (HMS), we introduce a new capability in the Weather Research and Forecasting model coupled with the...
US carbon pollution rose in 2025 in reversal of previous years’ reductions
Study from research firm finds that US greenhouse gas emissions grew faster than economic activity last yearIn a reversal from previous years’ pollution reductions, the...
Towards improved accounting and mitigation of greenhouse gas emissions from ditches and canals
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Building a mine-level database of methane emission factors for China’s underground coal
Methane (CH4) from China’s underground coal mines is a significant warming source and a priority for near-term mitigation. Yet mine-level inventories remain uncertain because publicly...
The EU CBAM and the Global South: a review of the economic and geopolitical implications of unilateral climate and trade measures
After more than a decade of academic and policy debate about carbon border adjustments (CBAs) and their policy implications, the full implementation of the world’s...
Revisiting chloroform emissions from the pulp and paper sector: a brief communication
Halogenated very short-lived substances (VSLS) represent a growing source of chlorine to the stratosphere where they may contribute to ozone layer depletion. Chloroform (CHCl3) is...
How to cool down African homes—and keep mosquitoes out
Painting roofs white and adding screens to doors and windows is a low-cost way to increase comfort and curb malaria risk
Heterogeneous operations and opportunities to reduce CO2 emissions in global blast furnace ironmaking
The blast furnace (BF) process accounts for over 90% of global iron ore-based steel production and remains a major contributor to CO2 emissions. This study...
Anthropogenic drivers and their impact on the hydrological regime of Nepal: a review
Nepal’s hydrological regime, shaped by steep topography, monsoon-dominated rainfall, and extensive cryospheric systems, offers a useful testbed for understanding how climate change and human activities...
Land Use Changed the Climate. Now Climate’s Changing the Land
Land-use change has long been recognized as a major contributor to global warming. Deforestation and agriculture alone account for nearly 25% of human-caused greenhouse gas...
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