Articles tagged with Anthropogenic Climate Change
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.
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 UN University publication reveals that many people in England fail to take action to protect themselves during heatwaves despite receiving warnings. The most common reason is a lack of perception of personal risk, highlighting the need for improved communication and long-term adaptation strategies.
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.
Research team led by University of Zurich found Arctic fires occurred 2.5 times more often in lit areas associated with human activity than in climatically similar unlit areas. Effective fire prevention and response can help reduce risks extending far beyond the Arctic.
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.
Researchers at ICTA-UAB developed a public tool to explore climate gentrification vulnerability across 36 municipalities in the Barcelona metropolitan area. The map shows that greener, less densely populated areas are at higher risk due to rising temperatures and heat exposure.
A new study reveals that microplastics in the air can trap heat, making them a previously unknown contributor to climate change. Researchers found that colored microplastics absorb roughly 16% as much heat as black carbon, with an effect equivalent to running 200 coal-fired power plants annually.
A study of 17,000 EU citizens found that most view economic growth as compatible with sustainability, with values like equality and collective welfare driving support. Citizens in wealthier societies tend to be less supportive, suggesting they feel more secure when basic needs are met.
A new study finds that cities with slower urban development tend to maintain plant communities and their climate benefits, while faster-developing cities experience declining productivity. The researchers hope their findings will inform urban development strategies to maximize plant growth.
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.
Researchers have discovered a previously unknown mechanism by which microbes boost plants' ability to survive in salty conditions. Pseudomonad bacteria stimulate the production of lignin, a tough substance found in plant cell walls, helping plants withstand environmental stress.
The UN has launched an initiative calling on AI companies to publicly disclose their environmental impacts, including carbon, water and land footprint. The move comes after a report highlighted the massive electricity demand and environmental impacts of AI systems.
The top 10% of global consumers are responsible for $1.7-$5.7 trillion in annual environmental damage, exceeding current climate and biodiversity financing commitments. Biodiversity loss accounts for 47-56% of total damages, while climate change accounts for 36-45%.
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.
Climate change is projected to increase frequency and intensity of hydroclimatic whiplash events, with regions experiencing both floods and droughts. This may lead to increased flash flooding, water quality deterioration, and soil erosion, as well as challenges for flood and drought planning.
A new study by researchers from the Institute of Atmospheric Physics at the Chinese Academy of Sciences reveals that reforestation has varying effects on water resources under different warming scenarios. Under low-warming conditions, reforestation slightly increases global water but widens the gap between wet and dry regions. In contr...
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.
The global data centers powering artificial intelligence are projected to consume nearly triple the combined annual electricity use of Pakistan, Bangladesh, and Nigeria by 2030. AI's environmental cost is being systematically mismeasured, with its water footprint equaling the basic annual domestic water needs of all 1.3 billion people ...
The State of Carbon Dioxide Removal report reveals that current pledges fall short of pathways limiting warming to 1.5°C by more than 5 billion tonnes of CO2 per year by 2050. CDR must grow at rates comparable to or faster than the most rapid clean energy transitions, including solar power.
Thawing permafrost is causing Arctic rivers to turn toxic with orange iron particles, suffocating insects and smothering fish. The process also involves acid rock drainage, where pyrite breaks down into sulfuric acid and sulfate, creating rust-like particles.
Scientists have discovered a previously unknown mechanism that transfers heat into the deep ocean, even when surface water temperatures remain stable. The study reveals an abrupt 5°C warming in intermediate waters at 800 meters depth over the past 11,000 years, linked to changes in Southern Hemisphere ocean-atmosphere circulation.
A new Oxford study models the impact of compound shocks on global grain supplies, highlighting countries with diverse suppliers and flexible trade networks as more resilient. The analysis suggests that producing all food domestically is unfeasible for many countries, leaving them exposed to global food crises.
A new study suggests that temporary carbon storage can play a significant role in climate mitigation, particularly in sectors with persistent methane emissions. The researchers found that neutralizing the climate impact of 1 kilogram of methane requires removing roughly 498 kilograms of CO₂ stored for 20 years.
Researchers have found that aerosols and clouds in polluted regions grow faster, leading to a slower rate of global warming in Asia and Africa. This is due to the increased hygroscopicity of particles in urban and populated areas, which can absorb more water vapor and influence cloud formation.
A new study finds that coal pollution reduces global solar electricity output by 5.8%, equivalent to 111 TWh of lost energy, with aerosol-related losses reaching 74.0 TWh annually. This constraint on the clean energy transition underscores the need for pollution control measures to maximize renewable energy output.
Researchers from Columbia University have developed a theory explaining how carbon dioxide cools the stratosphere, even as it warms Earth's surface and lower atmosphere. The study reveals that CO2 molecules interact with infrared light in a specific 'Goldilocks zone' that expands with increasing atmospheric CO2 levels.
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.
Deforestation reduces Amazon's resilience to global warming, with around two-thirds of the forest at risk of degradation at 1.5-1.9°C of warming. Haltting deforestation and restoring forests can strengthen the Amazon's ability to withstand climate change.
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.
Snow cover on Greek mountains has declined by 58% over the past four decades due to rising temperatures. The research found that warmer air causes more precipitation to fall as rain instead of snow at high altitudes.
A decades-long study of oceanographic data shows that warm water has expanded and shifted towards the Antarctic continental shelf, posing a threat to ice shelves. The Southern Ocean's circulation has changed, allowing excess heat from global warming to reach Antarctica's vulnerable ice sheets.
New research from the American Meteorological Society explores AI forecasting limits, the impact of climate change on hurricane trends, and simplifies the heat index. The studies find that machine learning can outperform numerical physics-based models in certain conditions, but not universally.
A new study by Hashem Akbari offers a simplified way to calculate the climate impact of reflective surfaces, allowing policy practitioners to view problems on a regional basis. Increasing albedo by 0.01 can offset about 1.8 to 2 kilograms of CO₂ per square metre globally, with some regions reaching up to 5 kilograms.
A recent UNH study reveals that New Hampshire ski industry professionals are increasingly concerned about climate change, with 85% expressing alarm or concern. The industry generates $278.8 million annually and supports over 10,000 jobs, highlighting the need for sustainable practices and advocacy.
A new study finds that dairy manure digesters are highly effective in reducing methane emissions from cow manure, with most systems performing well. However, occasional leaks of large magnitude offset the climate benefits, highlighting the need for thorough monitoring and verification.
A new study highlights the importance of fair distribution of carbon dioxide removal rights among countries to halt global warming. The researchers found that unequal allocation can entrench inequality, shifting the climate burden onto future generations.
A new study by UFZ researchers warns that extreme global climate outcomes are possible even at moderate levels of global warming, such as 2°C. Sector-specific drivers like precipitation extremes and droughts can lead to severe impacts in vulnerable regions. The study highlights the need for ambitious climate mitigation measures to limi...
A new study found that wealthier nations tend to invest more in private solutions, exacerbating climate change. The research involved over 7,500 participants from 34 countries, who took part in a simulation on how economic resources are allocated to address climate change.
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 ...
A study by the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona establishes the principles for modelling post-growth scenarios, pointing to the need for targeted demand-side measures and investments in low-carbon technologies. The research highlights the potential for post-growth to achieve pos...
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.
A new study reveals major blind spots in global sustainable research, overlooking key strategies and sectors needed to address the environmental crisis. The study finds that sustainability researchers are neglecting potentially powerful actors, including civil society, and failing to assign clear responsibilities across sectors.
A new study reveals that air-conditioning use will more than double by 2050, causing up to 8.5 GtCO₂‑eq per year in the worst-case scenario. This is equivalent to around 74–183 billion transatlantic return flights and adds 0.03°C to 0.07°C of global warming.
Climate researchers developed a new method for computing hazards from extreme events, finding a tenfold increase in extreme heat over Europe. The study provides a basis for better quantifying damage to people, ecosystems, and infrastructure.
A global study documents the collective ecological memory of Indigenous Peoples and local communities, revealing a consistent pattern of large-bodied bird species disappearing from local environments replaced by smaller-bodied species, with average bird mass declining from 1500g to 535g over eight decades.
The American Meteorological Society (AMS) expresses deep concern over the repeal of the EPA's 2009 Endangerment Finding, which concluded that greenhouse gas emissions harm human health and well-being. AMS reaffirms key scientific conclusions on climate change, including its impacts on people and nature.
A study by Newcastle University found that UK winters are becoming significantly wetter, with a 7% increase in rainfall per degree of global warming, driven by rising temperatures from anthropogenic warming. The experts warn that this trend will continue to worsen, increasing the risk of flooding and economic damages.
Climate warming stimulates sphagnum growth, promotes iron protection, and inhibits microbial decomposition in boreal peatlands. This leads to increased soil carbon accumulation, potentially offsetting half of the decline in boreal forest carbon sink under future warming.
A study by UC3M and UNIZAR reveals that most US states are warming in specific parts of their temperature distribution, even when the average warming is not statistically significant. Regional differences have varying impacts on agriculture, public health, and climate action.
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.
Researchers at the University of Göttingen found that forest soils in south-western Germany absorb more methane as climate conditions become drier and warmer. This contradicts current international meta-analyses, highlighting the importance of long-term monitoring for assessing the effects of climate change.
A new method developed by Concordia researchers shows how small but widespread snowpack declines can ripple across Canada's water supply. The study found that usable snow water has declined sharply in areas of the Canadian Rockies, affecting a quarter of Canada's land mass and 86% of its population.
The American Meteorological Society has partnered with the Intergovernmental Panel on Climate Change (IPCC) to provide IPCC authors with access to peer-reviewed scientific publications. This collaboration ensures equitable access to critical climate science for researchers worldwide, particularly those from developing countries and fac...
The North Atlantic's ocean ventilation has weakened, with water masses aging significantly faster than 30 years ago. This decline in ventilation indicates a slower renewal of deep waters and reduced oxygen transport to depths, potentially impacting marine ecosystems.
A 56-million-year-old study found that global warming caused by CO2 emissions led to widespread forest fires and soil erosion. The research team discovered that even small changes in temperature can have significant impacts on ecosystems, leading to the release of more carbon into the atmosphere.
New research reveals that land subsidence caused by humans is the main culprit behind delta sinking, posing increased flooding risk to 236 million people. The study identifies groundwater extraction as the dominant cause of subsidence, highlighting the need for urgent local interventions.
The Earth's ocean stored more heat in 2025 than in any year since modern measurements began, with a record-high increase of 23 Zetta Joules. The findings indicate stronger ocean warming trends since the 1990s and highlight the importance of reducing emissions to mitigate climate change.
A recent UBC study found that half of the global population needs to change their diets to prevent severe planetary warming. The study suggests that individuals can make simple dietary changes, such as eating only what they need and reducing beef consumption, to reduce food-related greenhouse gas emissions.