Articles tagged with Anthropogenic Climate Change
The PaleoJump database offers a crucial tool for scientists to study abrupt transitions in the climate system. By analyzing pre-evaluated, relevant high-quality data archives, researchers can gain a clearer understanding of past climate change and its potential tipping points.
Ozone exposure destroys pheromones essential for fly mating, leading to abnormal behavior and reduced female attraction. The study's findings highlight the devastating impact of air pollution on insect populations.
A new study found that future incidents of simultaneous climate extremes will be exacerbated by human-driven climate change, with the strongest increases in tropical regions. Increasing concurrent temperature extremes will weaken tropical ecosystems' ability to act as carbon sinks, amplifying global climate change.
A study published in PLOS Climate suggests that climate change is significantly affecting land where coffee is cultivated, particularly due to synchronous climate hazards occurring in multiple areas. The researchers found an increase in climate hazards and compound events threatening coffee crops globally between 1980 and 2020.
Researchers from Pusan National University studied compound extreme weather events in northern East Asia and found that a lack of soil moisture led to increased evaporative stress, amplifying heatwaves and triggering compound droughts and heatwaves. Understanding these dynamics is crucial for societal safety.
A recent study by researchers at the University of Texas at Austin found that the ocean's ability to absorb CO2 will peak by 2100 and become less efficient after 2300 due to a surface layer of low-alkalinity water. This emergence hinders CO2 absorption, leading to faster warming.
Virginia Tech researchers Traci DuBose and Meryl Mims studied 90 species of frogs and toads using publicly available data from the Global Biodiversity Information Facility. They found that approximately 11% of anuran species are sensitive to climate change but not currently listed as at-risk.
A new study reveals climate-driven conflicts between humans and wildlife are on the rise globally, with six continents experiencing exacerbation of these conflicts. The research identifies trends in human-wildlife conflicts linked to climate change, including altered animal habitats, resource availability, and changes in wildlife behav...
A new study finds that coccolithophores, a common group of marine phytoplankton, dominate the production of calcium carbonate in the surface ocean. This process controls atmospheric CO2 levels and is crucial for understanding climate change and ocean acidification.
A review article in Nature suggests that the Earth was likely warmer 6,500 years ago and followed a cooling trend until human-caused warming began. The study's findings highlight uncertainties in climate models and underscore the need for further research on natural climate variability.
New research reveals that nitrogen released by gas-powered machines causes dry soil to let go of carbon and release it back into the atmosphere. The study found that excess nitrogen acidifies soils, leading to a loss of carbon stored in association with calcium.
Researchers conclude that social changes, such as consumption patterns and climate protests, are crucial in meeting the 1.5-degree goal, but current efforts are insufficient. A new approach to adaptation is necessary to address the impacts of global warming.
A team of researchers from Xi'an Jiaotong-Liverpool University and other institutions has identified a flexible and user-friendly model for predicting flood frequency in a changing environment. The fractional polynomial-based regression method is more effective than existing models, which often fail to account for factors like climate ...
Scientists analyze past El Niño events to better understand climate patterns over the past 12,000 years. They found that Eastern Pacific events have increased in frequency, while Central Pacific and Coastal events have decreased, resulting in changes in hydroclimate in the tropical Pacific.
Researchers analyzed over 4,500 documents to understand fungal dispersal across spatial scales. They identified four scales of movement, from microscopic to landscape, and found that climate change affects where fungi reside. More data is needed to understand the biodiversity of fungi and their movement in ecosystems.
Researchers from the University of Göttingen found that European beech trees are experiencing increased drought stress in northern Germany due to climate change. The study reveals that dry locations show the strongest long-term decline in growth, highlighting the need for more resilient tree species.
Researchers analyzed observational data from a major field campaign in 2020 and found that trade-wind clouds' contribution to climate warming has been overestimated. The study shows that the clouds are more resilient to global warming than previously thought, which can improve the accuracy of future climate projections.
Researchers identified six key determinants of establishment success and proposed a general quantitative framework for post-LDD establishment. The framework aims to provide a theoretical basis for studying colonization after LDD and assessing species invasion risk.
Researchers warn of impending 35-60 year droughts in western US unless greenhouse gas emissions are curbed to limit warming to 2.5 degrees Celsius. Mountain snowpack is shrinking due to global warming, threatening agriculture, ecosystem support, and urban water supplies.
A new study finds that transitioning to a low-carbon energy system could lead to significant global emissions, consuming much of the remaining carbon budget. The average emissions associated with decarbonization amount to 195 gigatonnes of CO2, equivalent to 0.1°C of additional global warming.
New research suggests that the world will probably warm beyond the 1.5-degree limit set by the 2015 Paris Agreement, but peak warming can be minimized by adopting more ambitious climate pledges and decarbonizing faster. The study models scenarios to explore what degree of warming would likely follow different courses of action, highlig...
A team of 70 scientists warns that climate change will drastically reduce the ability to build a sustainable future based on healthy ecosystems. Insects face extinction and ecosystem disruption due to global warming and extreme weather events.
Researchers used drones to monitor Waikīkī Beach, finding that wave energy from south swells and trade-wind generated waves drive erosion and accretion. The studies provide insights into beach behavior and help inform management of the coastline for ecological, societal, and economic sustainability.
A new Concordia University study reveals that extreme weather events, such as hurricanes and heatwaves, have failed to drive government climate action. Despite the devastating economic and human costs of these disasters, governments have remained slow to enact meaningful reforms.
A study led by the University of Zurich found that diverse Arctic vegetation affects the land surface energy budget. The researchers linked vegetation types to energy exchange data from 64 measuring stations, revealing a significant difference in heat flux between various vegetation types and glaciers/grasslands.
A Dartmouth study found that severe heat waves resulting from climate change have already caused massive economic losses worldwide. The research estimates $16 trillion was lost to the effects of high temperatures on human health, productivity, and agricultural output.
A new study reveals that global warming has doubled the probability of extreme ocean warming events in Japan's marginal seas since the 2000s. The increased occurrence frequency is attributed to human-induced climate changes, with most events linked to global warming.
Climate change threatens societal capacity, leading to governance failures and basic necessities shortages. The authors propose three collapse scenarios: direct effects, indirect impacts on trade and international cooperation, and decreased adaptability.
New research simulates climate warming and ocean acidification in the Gulf of Mexico and Caribbean, finding that high emissions could lead to critically warm temperatures as early as 2050. Reducing emissions may delay this onset, giving coral conservation programs more time to adapt.
A study by the University of Sydney and Curtin University reveals that over a third of Generation Z respondents understand the climate impact of meat consumption. Despite this, livestock and meat production contribute significantly to emissions.
A recent study reveals that anthropogenic air pollution contributes significantly to poor air quality and climate change in the Middle East. The research found that hazardous fine particulate matter from human activities accounts for around 53% of aerosol visible optical depth, posing a significant health risk.
A global risk assessment reveals that 56-65% of urban tree species are already at risk due to increasing temperatures and decreasing precipitation. By 2050, this figure could rise to 68-76%, with France expecting a 71% risk for common ash species.
Researchers used counterfactual history to analyze the 2011 cloudburst, demonstrating a clear correlation between heat in the atmosphere leading up to the event and its intensity. The study shows that a century of human-caused temperature increases doubled the risk of similar or stronger cloudbursts in the future.
Research by Swansea University found that an optional wellbeing science module significantly improved university students' feelings of wellbeing. The study demonstrated the beneficial impact of strategically designed modules on student wellbeing during challenging times, including the Covid pandemic.
Researchers warn that climate change poses a significant threat to global food supply and stability, potentially triggering famine, conflicts, and new disease outbreaks. The study proposes a research agenda to explore worst-case scenarios, including 'warm wars' and ecosystem collapse, highlighting the need for urgent action.
A new study reveals that subsurface ocean warming in the subpolar North Atlantic caused Heinrich Events, which led to ice sheet instability and disruption of the Atlantic Meridional Overturning Circulation. The warming facilitated melting of polar ice sheets from below, resulting in accelerated shedding of icebergs.
A team of scientists has designed a system that uses water, CO2, and sunlight to produce synthetic kerosene, which can power long-haul commercial flights. The design has been implemented in the field, and its efficiency is around 4%, with plans to improve it to over 15%.
A FAU Harbor Branch study demonstrates hydrology impacts through high-resolution simulation model. Increased freshwater discharge contributes to intensified shelf water mixing that favors surface intrusion of Loop Current waters.
A global survey of biodiversity experts finds that more species are threatened with extinction than previously thought, with estimates suggesting 30% of species have been lost since 1500. The study identifies climate change, pollution, and land-use changes as key drivers of biodiversity loss.
Researchers developed a methodology to attribute coastal glacier retreat to human-caused climate change, revealing that even modest global warming causes most glaciers to melt or retreat. The approach simulates the behavior of real ice sheets like Greenland's, helping predict major ice loss and informing decision-making for policymakers.
New research highlights how climate change enhances wildfire risk globally, but human actions and policies can mitigate regional impacts. The study assesses 500 previous papers and examines future fire weather trends to provide insight into the success or failure of climate policies.
A recent NTU Singapore study finds that climate change is a stronger driver of increasing atmospheric methane than expected, leading to more heat being trapped in the atmosphere. The research suggests that nature could be producing more and consuming less methane than previously realized, contributing to higher methane emissions.
Researchers analyzed historical data from ice ages to understand how cold-adapted Arctic mammals responded to severe climate fluctuations. The study identified common patterns in the responses of different species and provided new models for interpreting their behavior.
A study by Dr. Armineh Barkhordarian confirms a systematic warming pool in the Pacific caused by human activities, leading to increased frequency and intensity of local marine heatwaves. The region has experienced 31 marine heatwaves over the past 20 years, compared to just nine between 1982 and 1999.
A pioneering study shows that climate change was the primary driver of the location of ancient coral reefs, which once extended far beyond the tropics. The researchers used habitat modeling and reconstructions of past climates to predict the distribution of suitable environments for coral reefs over the last 250 million years.
A new article in BioScience argues that incremental changes are insufficient to address planetary emergencies, and calls for broader system-wide changes to governing interactions between climate, biodiversity, and society. The authors hope their work will inform the setting of biodiversity objectives and targets.
A new report from the InterAcademy Partnership highlights the severe impacts of climate change on human health, including increased risk of heat-related illnesses and food insecurity. The report calls for urgent action to reduce greenhouse gas emissions and strengthen disease surveillance systems to mitigate these effects.
The European drought event from 2018 to 2020 was the most intense in over 250 years, affecting approximately one third of the land area. The drought's total duration was unusually long, starting in April 2018 and ending in December 2020.
A new online portal developed by UKCEH enables forecasters to provide communities with more reliable warnings about large storms in the Sahel region. The portal uses state-of-the-art weather forecast models to predict storm behavior, taking into account factors such as land surface temperatures, soil moisture, and atmospheric humidity.
Researchers discovered zones of bubbling methane flux in Laptev and East Siberian Seas, contributing to climate warming in the Arctic. The study suggests that thawing permafrost and warming waters are releasing methane from hydrates into the atmosphere.
Scientists have partnered with park rangers in Ecuador to monitor butterfly populations, which serve as an indicator of ecosystem health. This approach aims to provide a more comprehensive understanding of biodiversity changes over time, addressing the limitations of traditional conservation methods.
Researchers identified glacial refugia for Campanula americana and found that populations nearest the refugia had highest potential for speciation. This discovery highlights the importance of conserving habitats in Southeastern regions.
Jeanine Ash is part of a US effort to recover sediment cores from the West Antarctic Ice Sheet, which will help answer questions about sea level rise and global warming. The team aims to drill through up to 1,000 feet of ice in two places on the Ross Ice Shelf.
Researchers found that favorable local climate change led to chronic warfare in ancient Peru, as neighboring regions experienced droughts and migrants put pressure on the agricultural economy. The study suggests that climate change can harm all populations, either directly or indirectly, through destabilization and refugee crises.
A study of 2021's extreme weather events in China, the US, Canada, and Europe found a mix of natural and human-caused factors at play. The research highlights the need for real-time climate event attribution systems to better understand and adapt to climate change.
Researchers found that warmer and longer autumn conditions made it less likely for green-veined white butterflies to survive winter. The butterflies used more energy under these conditions, which can lead to lasting negative consequences, including reduced fitness.
Researchers used climate models and observations to analyze Arctic temperature changes over the 20th century. They found that both natural and human activities contributed to the cooling from 1940 to 1970, with aerosol forcings being a primary factor.
Scientists confirm a brief rise in CO2 emissions before the Paleocene-Eocene Thermal Maximum (PETM), an abrupt global warming event. The study reveals unique insights into how Earth's current climate could respond to continued carbon emissions.
Research led by Dr. Petra Holden from the University of Cape Town found that catchment restoration through alien tree management can reduce climate change's impact on drought streamflow. The study shows that clearing moderate levels of invasion can result in a 3-16% amelioration of human-derived climate change impact.
A new study provides evidence of growth limitations in Antarctic fish, which have adapted to survive in freezing temperatures. Despite similar ecological conditions, these fish consume less food and grow at half the rate of temperate water cousins when held at the same temperature.