The 36th annual State of the Climate report reveals record highs in greenhouse gas concentrations, global sea level, and ocean heat content. Greenhouse gas concentrations reached a 53% increase from preindustrial levels, with fossil fuel emissions reaching a record high in 2025.
SourceAmerican Meteorological Society·JournalBulletin of the American Meteorological Society·DateAug 10, 2026
Researchers found a surprising correlation between West Antarctic Ice Sheet retreat and marine algae growth over the past 500,000 years. The study suggests that global warming may lead to reduced CO2 uptake if the ice sheet continues to shrink.
SourceUniversity of Oldenburg·JournalNature Geoscience·TypeObservational study·DateFeb 2, 2026
The Swiss Alps have experienced its fourth greatest shrinkage of glacier ice since 2003, with over 1,000 small glaciers disappearing since 2015. The rapid melting was driven by low snowfall and record-breaking heatwaves in June 2025.
SourceETH Zurich·TypeObservational study·DateOct 1, 2025
A new study led by Professor Jonghun Kam predicts that Pakistan will experience major floods and severe droughts on a periodic basis, exacerbated by accelerating global warming. The AI model forecasts these extreme weather events every 15 years for the upper Indus River, and roughly every 11 years for surrounding rivers.
SourcePohang University of Science & Technology (POSTECH)·JournalEnvironmental Research Letters·DateSep 2, 2025
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An international team of researchers has tracked changes in over 114,000 rivers in High-mountain Asia, finding nearly 10% of them saw an increase in flow from glacial ice melt. This shift poses a challenge for the region's energy future, particularly hydroelectricity generation, due to increased sediment and reduced reservoir capacity.
SourceUniversity of Massachusetts Amherst·JournalAGU Advances·TypeImaging analysis·DateAug 13, 2025
The world's freshwater lakes are freezing over for shorter periods due to climate change, affecting more than a billion people worldwide. Changes in ice duration have major implications for human safety, water quality, biodiversity, and global nutrient cycles.
SourceCarnegie Institution for Science·JournalScience·TypeMeta-analysis·DateOct 10, 2024
Researchers tracked 87 Adélie penguins using electronic tags, revealing how they interact with sea ice during their long-distance migrations. The study highlights the interconnectedness of species in the Southern Ocean and how climate change may impact Adélie penguin populations.
SourcePoint Blue Conservation Science·JournalEcology·TypeObservational study·DateJan 11, 2024
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The State of the Climate report confirms record highs in greenhouse gas concentrations, global sea levels, and ocean heat content. Scientists from over 60 countries contributed to the annual review, providing a comprehensive update on Earth's climate indicators and notable weather events.
SourceAmerican Meteorological Society·JournalBulletin of the American Meteorological Society·DateSep 6, 2023
A new study combining GPS, satellite data, and numerical modelling indicates that existing models have underestimated ice loss from northeast Greenland, which could contribute up to 15.5mm to global sea levels by 2100. The Northeast Greenland Ice Stream's contribution will be six times greater than previously thought.
SourceTechnical University of Denmark·JournalNature·DateNov 9, 2022
A new study reveals huge gaps in data on how communities use mountain water sources, complicating efforts to model future scenarios. The researchers emphasize the need for improved data and process understanding to guide effective climate change adaptation.
SourceUniversity of Birmingham·JournalNature Sustainability·TypeData/statistical analysis·DateNov 7, 2022
Researchers investigate glacial ice melting that releases acoustically distinct pressurized underwater bubbles, providing a potential tool for monitoring climate change's impact on glaciers. The team's experiments will permit the long-term monitoring of ice loss and its link to water temperature.
A new study reveals that climate change will affect Antarctic seals, such as crabeater and Weddell seals, in distinct ways. Crabeater seals are more vulnerable due to their specialized diet and breeding on unstable pack-ice, while Weddell seals are less affected.
SourcePoint Blue Conservation Science·JournalGlobal Change Biology·TypeData/statistical analysis·DateSep 7, 2021
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Research by Lancaster University has found elevated levels of toxic chemicals, known as 'forever' chemicals, in the Arctic Ocean. These chemicals, used in products like stain-proof uniforms and non-stick pans, can accumulate in sea ice due to long-range transport from the atmosphere.
SourceLancaster University·JournalEnvironmental Science & Technology·DateJul 27, 2021
Researchers translate microscopic concepts to study polar sea ice, capturing dynamic forces with a tractable equation. The new approach opens up climate science to nonequilibrium statistical mechanics methods, solving the long-standing challenge of measuring sea ice volume.
SourceYale University·JournalPhysical Review Letters·DateSep 17, 2015
Researchers observed killer whales favoring Weddell seals as their primary target despite the availability of other prey species. The study provides insight into the cooperative hunting behavior of killer whales in Antarctic waters.
SourceNOAA National Marine Fisheries Service·JournalMarine Mammal Science·DateMar 30, 2011
Researchers are using image recognition software on unmanned aircraft to monitor Arctic seals in remote areas without risking pilots or observers. The project aims to understand the impact of warming temperatures and sea ice loss on seal populations, with potential applications for predicting future changes in seal habitats.
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