When temperatures spike, coast redwoods slow their photosynthesis, chemical reaction that turns sunlight, water, and carbon dioxide into carbon for growth. This reduces their ability to
A recent study found that atmospheric particles, including aerosols and clouds, have contributed to the slower warming trend in India over the past three decades. The researchers discovered that aerosol loading and cloud cover have resulted in significant surface cooling, which would have been nearly twice as large without these factors.
Researchers identified 33% of rivers and streams rated above-average for resilience, concentrated in Pacific Coast, Northern Rocky Mountains, and Great Lakes areas. Conserving 35% of waterways could sustain biodiversity, but only 6% is currently protected and resilient.
A new study finds that greening in China generally cools the local climate with more rainfall, while greening in India tends to produce warming and less rainfall. The simultaneous greening of China and India yields uniform climate feedbacks across over half of the global lands, producing cooler and wetter conditions in southern China, ...
A new study finds that extreme heat events have expanded globally, with some regions experiencing more frequent heat events in spring and fall. This shifts the focus from average temperatures to individual extreme heat events, which are harder on the body when arriving at unexpected times.
Leading scientists warn of unaccounted climate feedback loops that could amplify global warming by 20–30% this century, with natural systems amplifying warming-induced emissions. Cutting emissions can reduce these risks and limit the severity of feedbacks.
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.
A new study led by HKU reveals that increasing atmospheric dryness suppresses rainfall in tropical cyclones, constraining expected increases in typhoon rainfall. The study proposes a unified framework for understanding tropical cyclone rainfall, accounting for precipitation efficiency and atmospheric dryness.
A new study highlights the impact of coastal freshening on the giant amphipod species Paraceradocus miersi, which lose salts, gain water, and suffer gill damage in diluted waters. The research warns that continued freshening may pose a significant threat to many marine invertebrates and reshape the global ocean's communities.
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.
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.
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.
Climate change is affecting the mountain jewelflower, a native California wildflower, as it struggles to survive both summers and winters. Researchers have found that plants from lower elevations possess traits that match new mountain conditions, suggesting potential conservation strategies for this species.
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.
MIT researchers developed framework to make climate-informed energy siting choices, showing how location affects energy system resilience and reducing blackouts. Climate-informed energy siting reduces energy shortfalls by up to fivefold in regions like New England and Texas.
A new study suggests that California's wine industry is under threat from climate change and wildfires, particularly in established regions like Napa and Sonoma. However, areas like Mendocino and Monterey are expected to become increasingly favorable for premium vintages due to their projected increasing climatic suitability and decrea...
A new study found that climate change affects tree swallow populations in the northern US and Canada, with critical timing constraints and increased year-to-year temperature variability impacting breeding success. The research suggests that these populations are nearing a tipping point, with the greatest risk from warming temperatures ...
New research reveals alpine butterflies closely match local warming in range shifts, but habitat availability drives community composition and climate change response. The study finds that butterfly communities have become warmer-adapted over the past two decades, with specialist species vulnerable to elevational hostplant mismatches.
Declining plankton abundance across the North East Atlantic poses a significant threat to ocean health, impacting marine food webs and carbon cycling. The study found six pelagic habitat-region combinations rated as 'Not Good' and three as 'Uncertain', highlighting the need for climate change mitigation and reduced nutrient pollution.
Scientists at MIT developed a theoretical model that predicts the severity of most mass extinctions based on the mismatch between environmental change and biological adaptation rates. The study successfully predicted the fraction of life that went extinct in Earth's history, suggesting that life has evolved to adapt at a similar scale ...
A recent study reveals that human-induced sea level rise has significantly increased the frequency of storm surge events, with a fourfold increase in historical 100-year events. This shift is largely attributed to rising sea levels, which now occur every eight years rather than once every century.
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.
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 how responsive Greenland's ice sheet is to climate change, with widespread methane release linked to an episode of warming around 4,000 years ago. The findings highlight the role of recent ice margin fluctuations on subglacial carbon cycling, with implications for global methane budget assessments.
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.
Researchers tracked genetic changes in Arabidopsis thaliana across 30 sites over five years, finding most populations adapted to local environmental conditions. However, some populations went extinct due to genetic drift, highlighting the importance of preserving biodiversity.
Hundreds of migratory fish species are facing accelerating declines due to dam construction, habitat fragmentation, pollution, overfishing, and climate-driven ecosystem changes. The Global Assessment of Migratory Freshwater Fishes identifies 325 species needing coordinated international conservation efforts.
Researchers investigated the Mississippi River's hydrological trends, ocean carbon storage, and gender dynamics in flood mortality. A study found that precipitation increases, but soil moisture decreases, while high-resolution models reveal stronger Southern Ocean carbon absorption. Additionally, data showed men are overrepresented in ...
Research finds extreme cold and rain reduce young bird growth and survival, but earlier breeding can mitigate these effects. In contrast, hot extremes can boost growth by increasing insect activity and visibility.
A global study found that safeguarding 7.3% more mangrove areas can increase their resilience by 13.3%, with climate-smart conservation being achievable and affordable
Leading climate scientists, including Prof Benjamin Santer, reiterate the role of humans in global warming and warn against using an inaccurate government report to inform legal decisions. The report's claims are factually incorrect, contradicting decades of research on human-caused temperature changes.
New research from the University of Copenhagen suggests that volcanic eruptions during the Ice Age may have disrupted the AMOC, threatening Denmark's climate. The study shows that extreme volcanic eruptions can throw the climate system out of balance and push the AMOC into a weakened or collapsed state.
Researchers developed MAPPI, a system that enables real-time visualization of how a plant's leaves, stem, and roots communicate with each other in response to environmental stress. The system reveals bi-directional communication between leaves and roots, overcoming limitations of traditional microscopy.
Researchers found that many birds don't strictly follow their supposed temperature adaptations, instead moving to efficiently acquire and use energy. This 'energy efficiency' hypothesis suggests that altitudinal migration is a behavioral mechanism allowing birds to optimize their energy budgets in the face of seasonality and competition.
Research from the University of East Anglia predicts that tropical cities will experience increased urban heat island effects under 2°C global warming. The study finds that up to 81% of medium-sized cities will warm more than surrounding rural areas, with some experiencing warming rates up to 100% higher.
A new study from the University of Copenhagen suggests that flooding low-lying areas in wetlands may not be the most effective way to mitigate climate change. Instead, maintaining a stable water table below ground level can help reduce methane emissions and promote CO2 sequestration, according to researchers led by Professor Bo Elberling.
A University of Waterloo scientist and international collaborators found that airborne mineral dust promotes algae growth on the Greenland ice sheet, exacerbating melting. The study reveals that phosphorus in the dust fuels the growth of pigmented glacier algae.
Researchers recommend shifting Olympic and Paralympic Games to earlier dates to protect fairness and safety for athletes. Snowmaking is also seen as a crucial adaptation strategy to ensure the viability of snow sports.
A £3.7 million project aims to provide unprecedented analysis of mesophotic coral reefs' vulnerability to climate change and identify ways to protect them. The study will use state-of-the-art technologies to collect comprehensive data on biodiversity, health, and environmental parameters.
The EU-funded Trees4Adapt project aims to strengthen Europe's adaptation and resilience to climate change through tree-based solutions. By combining cutting-edge research with practical applications, the project will help policymakers make informed choices and inform EU policies.
A new study led by NTU Singapore reveals that El Niño events can persistently slow long-term improvements in mortality rates, leading to enduring reductions in life expectancy. The research estimates that El Niño could reduce life expectancy gains by 2.8 years and cause economic losses of up to US$35 trillion by 2100.
Researchers used clumped-isotope palaeothermometry to reconstruct large temperature fluctuations at depths of up to 4,000 meters in the Southern Ocean. These fluctuations occurred simultaneously with changes in oxygen isotopes and Earth's orbital eccentricity, suggesting a climatic forcing.
Researchers discovered a 'one-two punch' of orbital forcing and climate variability driving ice sheet melting in ancient Antarctica. The findings provide new insights into the complex processes shaping our planet's climate history.
Research in Chile's national parks shows that wildfires significantly alter soil structure and nutrient cycles, affecting ecosystem resilience. Humid temperate forests recover faster than mediterranean woodlands due to fire-adapted trees and higher rainfall.
The Alps are expected to reach a peak loss rate of 2,000-4,000 glaciers per year by 2033-2041, with only 110 glaciers remaining in Central Europe by 2100. Regions like the Rocky Mountains and Andes will also experience significant glacier losses.
A recent study found that extreme ocean temperatures triggered a rare coral disease and mass mortality on the Great Barrier Reef. The study discovered that bleaching was followed by an unprecedented outbreak of black band disease, which killed massive Goniopora corals at One Tree Reef.
A new study improves projection accuracy by combining climate model projections with observational data. The analysis reveals that many models overestimate global warming and refines estimates of the remaining carbon budget, narrowing the uncertainty range from 352-702 billion tons to 251-666 billion tons.
The 106th Annual Meeting of the American Meteorological Society will focus on the intersection of technology and human decision-making in weather, water, and climate sciences. The meeting will feature keynote presentations, Presidential Sessions, and named symposia highlighting key Earth science topics.
Researchers found that warming temperatures may actually reduce nitrogen gas emissions from forest soils in dry conditions, contradicting earlier predictions. The study's findings suggest that moisture levels, not just heat, play a crucial role in determining the fate of nitrogen in forests.
A calcite deposit in a southern Nevada cave has provided new insight into the region's hydroclimate, revealing significant shifts in temperature and rainfall over the last 580,000 years. The analysis suggests that temperature, availability of water, and vegetation are tightly coupled, with changes in one area impacting others.
Researchers have discovered that sudden shifts in the Southern Westerly Winds 15,000 years ago triggered a massive growth of ancient bogs across the Southern Hemisphere. The study found that the shifting winds created an ideal climate for the swamps to form, and now believe they play a crucial role in regulating carbon stores in peatland.
Researchers developed a Climate BioStress model to detect biological signatures of climate change. A Sentinel System (CBS3) is proposed to track climate stress indicators across biological, built, and social infrastructures.
A new study models the impact of climate change on the GBR, forecasting a rapid coral decline before the middle of this century. However, curbing emissions and strategic management can help improve coral resilience, especially in well-mixed waters with good larval replenishment.
Researchers found that elevated CO2 levels can cause leaf temperatures to rise by up to 1.3°C in forests, with a greater impact during extreme heatwaves. This change is likely caused by reduced transpiration and could have significant effects on the water cycle globally.
The COAST-SCAPES project aims to co-design systemic resilience solutions for coastal landscapes by developing integrated indicators, proactive climate warning systems, and knowledge-based strategies. The project promotes the use of nature-based solutions to reduce environmental footprint and restore vulnerable coastal areas.
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.
A new study suggests that the Earth's carbon cycle can overcorrect and plunge the planet into an ice age if greenhouse gas emissions continue to rise. The researchers found that in a warmer world with enhanced algae growth, the oceans lose oxygen, leading to a feedback loop that consumes more carbon.