A study by University of Connecticut researchers found that increased trans-Arctic shipping could lead to a minor cooling effect in the Arctic, potentially offsetting some of the overall warming trend. However, this effect is relatively minor and may be offset by international regulation and trade agreements.
DoYeon Kim, a UNIST Ph.D. student, has been selected for the GRA-NRF program in Canada to co-research on Arctic climate change with Professor Timothy Merilis at McGill University.
A new study finds that extreme warming could lead to a significant increase in heat-related deaths worldwide, with the risk balanced in cooler regions. If global temperatures rise above 2°C, many parts of the world could experience a dramatic increase in excess mortality due to heat.
New research suggests global warming will cause peatlands to absorb more carbon initially, but the effect will weaken as warming increases. The study highlights the importance of protecting intact peatlands and restoring drained peatlands to prevent rapid rates of peat decomposition.
A study by researchers from UNIGE reveals that global warming 56 million years ago had a more significant impact on the environment than currently thought, with floods increasing by a factor of eight and landscapes transforming into arid plains.
A new study by University of Bristol scientists reveals that ancient global warming was associated with more intense and episodic rainfall events. The Palaeocene-Eocene Thermal Maximum showed increased rainfall in some areas, decreased in others, but a significant increase in extreme event frequency.
A new study sets a deadline of 2035 for governments to take decisive climate action to limit global warming below 2°C. The research found that even with strong renewable energy growth, humanity will likely cross the point of no return unless drastic emissions reductions are made immediately.
A new study predicts that rising insect populations will lead to significant crop losses due to increased metabolic rates and population growth with temperature. Global yield losses for major crops are expected to increase by 10-25% per degree of surface warming, threatening the already fragile global food supply.
Kristen DeAngelis will lead a new soil warming studies project with undergraduates annotating soil microbe genomes and investigating bacterial traits. The goal is to understand how bacteria thrive in warmer soils and their impact on the environment.
Researchers found that air temperature feedback, a process linking atmosphere and surface, amplifies surface warming in response to external forcing. This feedback kernel measures the ability of temperature feedback to amplify surface warming.
Research suggests that global oceanic warming contributes to warmer winters in Europe and northern East Asia. The team found positive North Atlantic Oscillation anomalies, low-pressure systems, and a weaker-than-normal East Asian trough linked to oceanic warming.
A new OU study shows that climate warming accelerates temporal turnover rates of soil bacterial and fungal communities, affecting ecosystem predictability. The research finds divergent succession of microbial communities under climate warming, with reduced stochasticity and dynamic drivers.
A new method predicts mean air temperature will be abnormally high in 2018-2022, higher than figures inferred from anthropogenic global warming alone. This is due to a low probability of intense cold events and a high probability of heat events, leading to increased tropical storm activity.
A study published in Nature Communications found that reducing global warming by half a degree Celsius could significantly decrease extreme precipitation events, resulting in lower exposure to flooding and landslides. The research suggests that limiting warming to 1.5°C could robustly benefit the populous global monsoon region.
Researchers at the Advanced Science Research Center found that wetter soil decreases methane gas absorption by 53-89 percent, leading to a positive feedback loop between global warming and climate change. This study highlights the significant impact of reduced methane uptake on global warming and the need for further research.
New research from Washington University in St. Louis found that warming conditions can alter the way wolf spiders interact with their prey, including springtails and fungi, leading to changes in ecosystem processes like decomposition. This shift could potentially alleviate some impacts of global warming on carbon losses from the tundra.
A new study reveals that warming streams and rivers can significantly increase greenhouse gas emissions, particularly in agricultural lowland areas. The research highlights the need for land management strategies to reduce sediment rich in organic matter content and decrease groundwater abstraction.
The Atlantic Ocean circulation is slowing down due to natural fluctuations, but this slowdown will lead to more rapid surface warming in coming decades. The study suggests that the current's speed determines how much surface heat gets transferred to the deeper ocean, and a quicker circulation would send more heat to the deep Atlantic.
Researchers found that past warming events suggest climate models underestimate long-term warming and amplification of warmth in polar regions. Sea levels may rise six meters or more even if the world meets the 2°C target, according to an international team of researchers from 17 countries.
A new study warns that failure to meet the 2°C warming limit will lead to sea level rise and dire global economic consequences. The researchers found that upper-middle income countries like China will see the largest increase in flood costs, while high-income countries will suffer the least.
Researchers analyzed past warm periods to understand potential future climate changes. They found that ecosystems and climate zones will shift poleward or to higher altitudes, potentially releasing additional greenhouse gases and leading to sea-level rise.
Climate change could lead to increased global maize yield variability, particularly in the US, Europe, and Africa. Aggressive carbon dioxide emissions mitigation and heat-tolerant crop breeding are crucial to mitigate these effects.
A lake sediment record near the Greenland Ice Sheet margin preserves sediments from past interglacial periods, including the Early Holocene and Last Interglacial Period. July air temperatures during these periods were estimated to be significantly warmer than modern temperatures.
New research from the University of East Anglia found that limiting global warming to 1.5°C could reduce dengue fever cases by up to 3.3 million per year in Latin America and the Caribbean. Limiting warming further would also limit the spread of the disease in areas with current low incidence.
By 2100, a 2°C limit could see insect species lose over half their ranges double, while a 1.5°C target halves this number, highlighting the importance of ambitious climate targets for biodiversity conservation
A new report reveals that limiting warming to 1.5°C would avoid half the risks associated with warming of 2°C for plants and animals, and two-thirds of the risks for insects. Species in Southern Africa, the Amazon, Europe, and Australia would particularly benefit.
A global temperature increase of 2°C would double risks for plants, animals, and insects, leading to widespread biodiversity loss. If left unchecked, warming could trigger systemic ecological simplification, threatening ecosystem services crucial for human well-being.
A recent study found that limiting global warming to 1.5°C could reduce extreme climate events in Africa, such as droughts and heatwaves, by up to 25% and 20%, respectively. This reduction is projected despite a slight increase in precipitation extremes.
A new method for projecting warming patterns supports substantial global warming but indicates significant variations in regions. Historically-driven climate approaches complement complex global models, providing more reliable regional climate projections.
Scientists project significant climate changes in Western China and central Asia along the Millennium Silk Road by 2020 and 2030 under different warming scenarios. A half-degree reduction in global warming can avoid severe impacts on precipitation and extreme heat events.
A new study predicts that climate change will transform marine ecosystems in Marine Protected Areas, leading to extinctions and loss of biodiversity. By 2100, warming temperatures could make these areas uninhabitable for most species, with the Arctic and Antarctic regions expected to warm especially quickly.
A recent study published in Environmental Research Letters found that limiting global warming to 1.5°C would reduce flood hazards globally by 21%, whereas a 2°C limit would increase flood risks by an average of 11% across 21% of the world's land area.
A new study reveals that reefs experiencing frequent temperature changes are better equipped to resist coral bleaching during ocean warming events. The research highlights the importance of high-frequency temperature variability in reef regions worldwide, providing valuable insights for conservation efforts and marine spatial planning.
Researchers found that urban-induced warming in Beijing increased with urban land expansion, but the rate of increase slowed down after 2000. The study also revealed an interrelationship between urban-induced warming and heat waves, suggesting that urban expansion may heighten heat waves in urban areas.
Researchers found a direct link between ocean warming and trends in continental humidity and temperature. Analysis of data from 1979-2016 revealed land temperatures increasing faster than ocean temperatures, but specific humidity over oceans increased faster than over land.
Research in Tibetan alpine grasslands found that climate warming does not decrease productivity, but rather changes the composition of plant species to stabilize production. The study's findings suggest that shifting species composition enables communities to access more water and buffer against drought-induced declines.
Researchers found that geoengineering methods could shift global rainfall patterns, leading to increased fire risk in some regions despite lower global temperatures. The study suggests that the benefits of limiting global warming to 1.5C would be offset by unintended consequences for certain areas.
New University of Colorado Boulder research suggests that limiting warming to 2.7 degrees Fahrenheit would reduce the likelihood of an ice-free Arctic summer to 30 percent by 2100. In contrast, warming by 3.6 degrees Fahrenheit would make at least one ice-free summer certain.
A new study suggests climate change could raise food insecurity risk in many countries due to weather extremes, with the worst impact expected in South and East Asia. At 2°C global warming, most developing countries will face increased vulnerability to food insecurity.
Scientists developed a method to predict how global warming affects disease severity, using the metabolic theory of ecology. The study showed that different processes have unique relationships with temperature, and that linking these theories can describe how disease interactions change with global warming.
UNIGE researchers analyzed tree rings to link global warming to increasing frequency and intensity of avalanches in the Himalayas. The study found that rising temperatures have led to bigger avalanches traveling greater distances, threatening infrastructure development and socio-economic stability in regions like Himachal Pradesh.
A new study predicts that global fisheries will be 20% less productive in 2300, with the North Atlantic and western Pacific experiencing significant declines. Climate change is expected to alter wind patterns, boost ocean temperatures, and melt sea ice, leading to a reduction in phytoplankton growth and nutrient transfer.
The study explores the feasibility of achieving a 1.5°C warming limit by 2100 using six integrated assessment models. Successful scenarios require rapid shifts away from fossil fuels, lowered energy use, and CO2 removal. Inequities and poor climate policies hinder achievement.
Warmer, drier conditions led to a 25-year decline in Northern rock jasmine populations, ultimately causing local extinction. The study highlights the challenge of developing management policies for threatened populations.
Researchers found that the northern Galápagos Islands have been warming by almost 0.4 degrees F per decade, with temperatures increasing overall by about 1.1 degrees F since the 1970s. This finding is significant because it suggests that the region's reefs are more vulnerable to climate change than previously thought.
The Southeast US has experienced colder winters despite global warming, according to a Dartmouth-led study. The polar vortex allows arctic air to plunge into the region, resulting in persistently cooler temperatures. This phenomenon, known as the U.S. warming hole, is linked to natural climate cycles and potentially to climate change.
A study using climate models found that limiting warming to 1.5C instead of 2C can reduce extreme heat events in East Asia by 35-46%. This means that reducing global warming would have a significant impact on the region, with Mongolia experiencing the greatest benefits.
New research from the Universities of Southampton and Liverpool projects that global temperatures will exceed 1.5°C and 2.0°C above pre-industrial levels within 17-41 years if carbon emissions continue at current rates. Immediate action is needed to develop a carbon-neutral future or prepare for climate adaptation strategies.
A new analysis of marine fossils reveals that polar oceans warmed more than previously thought during the Eocene, a greenhouse period. The study's findings challenge modern climate models, which underestimated polar ocean warming by about 50 percent.
Shallow lakes in agricultural landscapes will emit significantly greater amounts of methane due to the combination of warming and nutrient enrichment. Methane ebullition increases by up to 17-fold with high nutrient levels, highlighting the need for managing agricultural landscapes to minimize this potent greenhouse gas emission.
According to an updated analysis from the Institute of Atmospheric Physics/Chinese Academy of Sciences, 2017 was the warmest year on record for the global ocean. The oceans accumulated 1.51 × 10^22 J of heat, surpassing the previous second-warmest year of 2015.
A new study published in Nature has reduced the uncertainty around climate sensitivity by 60%, offering a more accurate picture of long-term climate change. The research team analyzed year-on-year global temperature fluctuations to derive a measure of climate sensitivity, revealing a range of 2.8+/-0.6°C.
Researchers developed an epidemiological model to study the effect of climate warming on host-parasite dynamics in Eurypanopeus depressus and its parasitic barnacle Loxothylacus panopaei. Infection prevalence declined at a 1°C temperature increase, with localized extinction occurring at 2°C warming in the southeastern United States.
New research shows human-induced climate change increased Hurricane Harvey's rainfall by at least 19 percent and potentially as much as 38 percent. The study, published in Geophysical Research Letters, confirms heavy rainfall events are increasing across the Gulf Coast region due to climate change.
Researchers from Carnegie Institution for Science found that climate models projecting greater amounts of warming are more likely to align with current observations. The study suggests that models simulating reduced cloud cooling in the future tend to predict greater future warming.
A new study published in Nature Climate Change reveals that the Arctic warmed more than six times the global average during the 'global warming hiatus' from 1998 to 2012. The research uses improved datasets and methods to estimate average global temperatures, showing that the rate of global warming continued to rise at 0.112C per decade.
New research from the University of Birmingham suggests that rapid global warming could result in more extreme rainfall and flood events. The study found a four-fold increase in sediment delivery from land to the deep ocean during a 56 million-year-old event, likely caused by increased rainfall intensity.
A major research project, HELIX, found that some climate impacts are unavoidable, while others can still be mitigated. Global warming of 1.5°C to 2°C could lead to sea level rise of 0.5m, affecting 2.5 million people in Bangladesh, and increased flood risk in parts of Asia, Europe, and America.
A new study resolves a prehistoric climate puzzle by confirming the link between high carbon dioxide levels and global warming for a time interval about 22 million years ago. The research, led by Southern Methodist University, analyzed fossil leaves from Africa and found that carbon dioxide behaved in the same manner millions of years ...
Analyses of satellite sensing data show Red Sea's maximum surface temperatures increasing at a rate of 0.17°C per decade, four times faster than the global ocean warming rate. This rapid warming poses a threat to marine biodiversity in the region.