A University of Washington study suggests the north pole of Mars contains less dust than previously estimated, with layers of cleaner ice stacked between dustier ice. This discovery could provide key details about Mars' climate thousands of years ago, and potentially shed light on the planet's habitability.
A new study reveals that 69% of the alpine zones in the northern Appalachian region have experienced significant increases in vegetation, representing 88% of the alpine area. The acceleration of growth may be driven by the impact of wind, which causes alpine zones to start lower than they would elsewhere at this latitude.
The study highlights the fragmented timing of warming increases across the globe, providing a nuanced perspective on global-warming acceleration. Regional accelerations are most prominent in the Northern Hemisphere's mid-latitudes, such as southeast China and the Gulf of Mexico.
A Simon Fraser University study found that bike-sharing can significantly reduce Vancouver's tailpipe emissions, with each bike replacing up to 400 kg of CO2 emissions per year. By increasing bike-share networks, cities can play a big role in curbing emissions and reducing traffic congestion.
A new study integrates fair-share considerations into climate models, revealing different pathways to achieve the same global climate outcome. Regions with higher responsibility and capability cut emissions faster domestically, while lower-responsibility regions see net improvements to consumption.
A new study from Dartmouth College found that droughts in the Northeastern US have decreased due to increased precipitation, outpacing water loss from the surface. The research team analyzed changes in drought frequency, intensity, and duration from 1901 to 2022, comparing their results to the US Drought Monitor.
Climate extremes in the Amazon are getting worse, with the central north region experiencing rapid growth in extreme temperatures and water stress. The region, home to extensive indigenous territories and high forest cover, was not previously considered a hotspot for climate change.
Seaweed forests globally are experiencing rapid declines due to climate change, with an estimated 25 million hectares lost by 2050. Restoration efforts may not be enough to compensate for these losses, with tens of thousands of projects needed at a significant cost. The study highlights the need to focus on preventing habitat loss as a...
UVic researchers played a significant role in Canada's Changing Climate Report 2026, providing detailed assessments of past and future climate changes in Canada. The report finds that human-caused greenhouse gas emissions are driving widespread changes, including extreme heat, warming oceans, and rising sea levels.
A new review highlights key knowledge gaps in Antarctic coastal observations, limiting estimates of ice loss and future sea-level rise. The authors emphasize the need for improved observations at a pan-Antarctic scale to predict future change.
A KIT study reveals correlation between heat and demographic structure, with air and land surface temperature showing different patterns. The results indicate a clear spatial correlation between population structure and heat, with different demographics exposed to varying temperature levels in cities.
A University of Michigan study found that El Niño events have become nearly 40% stronger in the last 40 years than in the pre-industrial era. The study, which examined modern and ancient corals in the Galápagos Islands, found that El Niño events in the last four decades were stronger than any in the 1,000 years prior to about 1850.
A Northwestern University study identified 33 diagnoses associated with extreme heat exposure, including skin conditions, multiple sclerosis, and traffic accidents. The findings could help emergency departments and health care systems better prepare for heat waves, which are becoming more prevalent with climate change.
A new study found that extreme heat is associated with higher alcohol consumption among adults 50 and older, particularly those with negative childhood experiences. The study suggests that experiences from childhood may remain relevant to drinking patterns decades later.
Researchers analyzed ice cores from the Andes in Peru, revealing a 2,000-year-old record of global methane evolution. The findings support the hypothesis that tropical methane emissions dominated the Earth during the pre-industrial period, with human-driven agricultural and industrial emissions contributing to increases in later periods.
Scientists propose a colossal cliff across ancient North America may have exposed Grand Canyon's oldest rocks nearly a billion years before it was carved by the Colorado River. The study suggests the 'great escarpment' of steep rocky cliffs formed when the supercontinent Rodinia broke apart 800 million years ago.
A recent NTU Singapore study found that 76% of Indo-Pacific coral reefs may struggle to keep pace with accelerating sea-level rise, threatening coastal protection and marine habitats. Reefs can grow only so quickly, and if sea level rises faster than a reef can build upwards, the reef will sit under progressively deeper water.
A weakening Atlantic Ocean current system, known as the AMOC, could exacerbate global warming by distributing heat unevenly around the planet. During periods with a strong AMOC, the global ocean loses heat, while weak AMOC periods lead to a net increase in heat stored by the ocean.
A new study suggests that the Great Lakes' ice cover may experience a temporary increase in average ice cover due to natural global cycles, but this does not mean the lakes will escape the consequences of climate change. The research, supported by the US National Science Foundation, found that the lakes' ice cover is synced to strong b...
Climate researchers have discovered a significant increase in neighborhood-level hurricane warnings, widespread wildfires in the US, and unprecedented changes in Earth's energy budget. These findings suggest that greenhouse gases are driving these trends, with smoke and fire-related carbon emissions rising due to increased aridity.
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.
A new Perspective in Nature Sustainability proposes industry-specific net-zero blueprints to ensure corporate climate action is grounded in science. The plan aims to provide a common scientific foundation for companies to set targets and track progress, reducing the reliance on carbon credit markets and planetary limits.
Researchers developed an open-source tool RIME-X to generate regional climate and impact projections while capturing uncertainties. The new method combines simple climate models with regional information from multi-model climate and impact model ensembles, producing scenario- and time-dependent probability distributions.
Scientists used chemical clues in microscopic fossils to find evidence that ocean acidification caused one of the largest extinction events in planktic foraminifera history. The study suggests that volcanic eruptions and rising CO2 levels led to a decrease in shell-building ability, ultimately contributing to the extinction.
Research highlights trade-offs between animal welfare, environmental impact, and food production in the egg industry. Shifting to entirely free-range and organic methods may increase emissions by 60% and land occupation, while cage-free systems could require larger hen populations and increase environmental pressures.
A new study from Stockholm University found that the most severe droughts in the ancient Eastern Mediterranean arose when multiple natural climate cycles coincided. This helped explain why the drought associated with the Late Bronze Age collapse were so severe, pushing societies beyond a critical hydroclimatic threshold.
A new study by Swansea University reveals upstream river management as the primary driver of the Mesopotamian Marshes' health, not local rainfall. The findings highlight the need for international cooperation to ensure sufficient water reaches the marshes during periods of drought.
A comprehensive review finds that climate change affects waterborne diseases differently across bacteria, viruses, and parasites, highlighting the need for tailored public health approaches. The study recommends 'no-regrets' investments to reduce risk and promote community resilience.
The Three Gorges region recorded its second-hottest year on record in 2025, with an average temperature 1.1°C above normal, and the most extreme autumn rainfall in 43 years. Persistent heatwaves and torrential rains caused widespread flooding and posed new challenges for disaster prevention and engineering project safety.
A new study develops the first high-resolution urban air temperature dataset, providing detailed maps of air temperature across cities. This dataset helps explain why satellite-based data often overestimates heat stress and exaggerates disparities between neighborhoods.
The University of Bath's Centre for Climate Adaptation & Environment Research has joined the STRIVE mission, a NASA Earth System Explorer project aiming to improve weather forecasting and climate modeling. The team will focus on understanding atmospheric waves and their impact on energy transport.
Research Scientists Edward Vizy and Professor Kerry Cook analyzed a storm that caused catastrophic flooding in Central Texas. They found that warmer-than-average sea surface temperatures weakened the Great Plains low-level jet, resulting in weaker storms and less intense rainfall.
Researchers have digitized nearly two million weather observations from Canada's colonial history, offering new insights into the country's changing climate. The dataset includes temperature, precipitation, wind, and detailed descriptions of extreme events, revealing a highly variable climate near the end of the Little Ice Age.
A global study of over 5,100 species reveals that climate change is transforming ecosystems and threatening species across the globe. Temperate species are experiencing more local extinctions than tropical species due to faster warming rates, with temperate regions losing up to 49% of their species.
A new project aims to create an early warning system for climate impacts like flooding or droughts, helping insurers react quickly. Researchers will develop models of insurer responses to different levels of climate change, combining climate science with behavioral and political sciences.
Researchers found that carbon from land was eroded and transported into the ocean, locking some carbon away for long periods. This process may have acted as a stabilising climate feedback, helping to gradually reduce atmospheric carbon levels over thousands to tens of thousands of years.
New studies reveal potential for 30-day forecast accuracy boosts using machine learning and explore the impact of vegetation on ocean currents during the Little Ice Age. Researchers also find that La Niña events can slow global warming by amplifying each other's cooling effects.
A study predicts climate change will trap air pollutants over coastal areas, increasing health risks for millions in Barcelona. Ozone concentrations are projected to rise substantially along the coastline by 2100.
A new study by Tulane University researcher Sönke Dangendorf found that human-caused sea-level rise has significantly increased the frequency of extreme coastal flooding worldwide. Coastal flooding events expected once every 100 years now occur on average about 12 times more likely to occur globally.
Researchers will measure particulate matter, ozone, wind, humidity, and temperature to understand environmental response to large-scale human activity. The study aims to find a balance between development and clean air, supporting sustainable growth in the Dallas-Fort Worth area.
Mangrove forests worldwide are no longer in net decline and are now growing overall, driven by natural regeneration and expansion. The research highlights a more hopeful trajectory for these ecosystems, which play a critical role in protecting coastlines and storing climate-warming carbon.
Scientists analyzed vast botanical data to understand why some exotic plants become invasive pests. They found that the timing of flowering is crucial and depends on climate conditions, with native species adapting to local environments and invasive species thriving in milder regions.
A new study found that dust from volcanic and ice-free regions replaced traditional sources, indicating a significant retreat of the West Antarctic Ice Sheet. The research suggests that sea levels could rise by three to five meters due to melting.
Climate change is accelerating Himalayan river migration rates by nearly doubled, with increased risk of flooding, erosion, and damage. The study reveals that thawing frozen ground and glacier melt are driving these changes, posing implications for water security and infrastructure planning.
A high-resolution model developed by University of Pennsylvania researchers shows that river levels once expected every 50 years now occur every few years due to climate change. The 1-in-100-year threshold marks a tipping point when flooding spreads rapidly across the urban landscape.
Researchers developed a new framework to analyze historical weather data and found a significant reduction in solar radiation in central Japan during the summer of 1836, leading to higher rice prices. The study provides a more detailed understanding of how climate fluctuations impacted society.
A new study reveals Antarctica's sea ice collapse is driven by a triple whammy of climate chaos, resulting in record-breaking lows. The Southern Ocean's transformation led to the loss of vast areas of ice equivalent to Greenland, destabilizing global ocean currents and accelerating global warming.
A new study reveals that around two-thirds of the Amazon rainforest could shift into degraded ecosystems at 1.5-1.9°C of global warming due to increased deforestation. The study highlights the critical role of the Amazon in regulating moisture recycling and stabilizing the Earth system.
A study by Ohio State University found that certain tree species, such as red maple and northern catalpa, are more resilient to heat and water stress. Urban forests can provide natural cooling, reducing summer electricity usage, but require careful management and investment in irrigation systems.
Researchers argue that Louisiana's climate-driven land loss and population shifts could position the state as a global leader in planning for climate adaptation. The study combines coastal geology with archaeology, demography, and public policy to outline a long-term vision for the region.
A team of 14 West African Master's students, accompanied by experienced scientists, will conduct research at depths of up to 4,900 meters on the POLARSTERN research vessel. The 'Floating University' program aims to document long-term changes in the ocean and investigate marine biodiversity.
A new international study projects that up to 36% of land animal habitats could be exposed to multiple extreme climate events like heat waves, wildfires, and droughts by 2085. Experts warn that limiting fossil fuel emissions is crucial to mitigate biodiversity loss and protect species-rich regions.
A new study from the University of Kansas examines extreme heat events in the US, finding a lack of consistent national framework for responding to heat events. Effective responses require reliable data and clear understanding of responsibility across different levels of government.
A new empirical study found a direct link between climate finance and lower conflict risk in developing countries. Climate finance that alleviates water stress and boosts renewable energy projects contributes to peace and stability, with greater impact at higher levels of funding.
A new computational model developed by researchers at Chalmers University of Technology shows that onshore wind is likely to supply around 25% of global electricity by 2050 and solar reaching about 20%, aligning with the 2°C target. However, this falls short of what is required for a 1.5°C goal.
A new IIASA-led study offers a practical approach to evaluate the distributional implications of climate action, enabling policymakers to assess justice impacts of emissions pathways. The study found that many existing mitigation scenarios are consistent with justice principles, while few explore limits on energy or meat consumption.
Scientists at University of Rochester identify a key mechanism behind methane production in the open ocean, which could worsen global warming. The research suggests that phosphate scarcity triggers methane-producing microbes to thrive, leading to more methane released into the atmosphere.
Researchers predict that glaciers in High Mountain Asia may threaten future water security due to rapid melting caused by warming temperatures. The study found significant losses in glacier mass between 2002 and 2023, which could intensify short-term flood risks and reduce long-term meltwater availability.
A recent study reveals that Alaskan permafrost is thawing rapidly, leading to increased runoff, carbon releases, and altered coastal ecosystems. The research focused on a Wisconsin-sized area of Alaska's North Slope, simulating daily river flows and coastal exports over 44 years.
A new study from Lund University reveals that old-growth forests in Sweden store 78-89% more carbon than managed forests, mainly due to large carbon stocks in the soil. The study's findings have significant implications for climate change mitigation and forest management.