Articles tagged with Global Temperature
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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.
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.
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 new study reveals that the burning of fossil fuels is accelerating winter rainfall changes in Northern and central Europe, including the UK, by more than two decades. This finding significantly upsets climate model projections, highlighting the urgent need for adaptation planning and infrastructure investment.
A modelling study suggests that heat stored in the Southern Ocean could be released, causing a rapid warming of the atmosphere. The ocean acts as a large heat reservoir, mitigating atmospheric warming since the Industrial Revolution.
A new study reveals a significant interdecadal shift in European summer hot days around 1998, driven by remote climate signals and exacerbated by regional land–atmosphere processes. Soil moisture decreased over Europe, intensifying the land–air coupling strength, leading to enhanced hot days.
A new study reveals that surface dynamics and aerosol processes were the key drivers behind the extraordinary 2010 heatwave in western Russia. The researchers used a model-free approach to quantify the contributions of individual radiative and dynamical processes, finding surface dynamics to be the primary contributor.
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.
A new study shows that reducing air pollution has decreased the brightness of marine clouds, leading to accelerated warming. Scientists attribute 70% of this change to aerosols, and researchers are exploring ways to make clouds shinier without polluting the air.
Researchers have discovered the oldest directly dated ice and air on the planet, providing an unprecedented view of Earth's past climate. The 6-million-year-old ice cores reveal a gradual cooling trend of about 12 degrees Celsius over the last 6 million years.
A new study published in Science reveals that large fluctuations in global sea level occurred throughout the last ice age, rather than just at its end. This finding represents a significant shift in researchers' understanding of past climate history and challenges conventional wisdom on the middle Pleistocene transition.
A study found that UK MPs and the public overestimated the time needed for global greenhouse emissions to peak. Labour MPs were more likely to know the correct answer than Conservative MPs. The researchers suggest that institutions like the IPCC need to improve communication about climate change to policymakers and the public.
New research suggests that severe hail storms in Europe will become less frequent but bigger and more devastating, especially in Southern Europe. Climate experts attribute this to warmer temperatures causing hail to form higher in the atmosphere, where storm updrafts are weaker.
Researchers at UC Riverside discovered a carbon burial process in the ocean that can cause Earth's temperature to overshoot and cool down, potentially triggering an ice age. The study suggests that the planet's thermostat is not functioning as expected due to changes in atmospheric oxygen levels.
Research from the University of Utah and Virginia Tech reveals that seasonal shifts in rainfall and snowfall patterns are exacerbating glacier melting across the region. Glaciers in Central Himalaya, Western Himalaya, and Eastern Himalaya are especially vulnerable to accelerated ice loss and water availability threats.
The State of the Climate report reveals record-high greenhouse gas concentrations, with CO2 levels reaching 422.8 parts per million, a 52% increase from pre-industrial levels. Global temperatures also reached a new high, with annual growth increasing to 2.4 ppm yr−1.
Heat-related deaths are projected to rise four-fold by 2050 if global temperatures reach 2 degrees Celsius above pre-industrial levels. Experts recommend a physiology-based approach that focuses on hot people, using tools like HeatWatch, to enhance heat adaptation and minimize carbon intensity.
ShadeLA aims to reduce heat risk by expanding tree canopy and shade infrastructure in key public spaces, targeting major sporting events and heat waves. The initiative builds on USC's Urban Trees Initiative and engages community-based organizations to create locally driven solutions for a more comfortable L.A.
Climate models project an accelerating increase in heatwave duration due to global warming, with each additional increment of warming causing larger increases in long heat waves. As temperatures rise, the typical length of heatwaves will also increase, posing significant impacts on humans, livestock, and ecosystems.
A study found that declining aerosols are up to 2.5 times more influential than greenhouse gases in driving changes in heatwave occurrence in populated areas. Higher levels of aerosols suppressed heatwave exposure by reflecting the sun's rays, but this trend is now reversing due to clean air policies.
A new study finds that cleaner air in East Asia, particularly China, has contributed to the recent acceleration in global warming. The region's aerosol reductions account for most of the observed warming since 2010, even after accounting for natural fluctuation events.
Compound heat-humidity extremes in eastern China are lasting longer than ever before, significantly increasing health risks for the elderly and young children. The study found that the active season has expanded, especially in South China, leading to a major public health crisis as China's population ages.
Researchers found that thick ice cover suppressed volcanic eruptions, but as glacial ice melts, pressure builds and magma is released, leading to more frequent and explosive eruptions. This phenomenon could occur worldwide, including Antarctica, and may have global climate impacts, including long-term warming.
Researchers uncover valuable insights into past climate scenarios and marine ecosystems through ancient sediment cores. The study highlights the need for more data to improve future climate models and transform our understanding of Earth's complex life systems.
Researchers at Uppsala University predict that concurrent extreme events will become more frequent due to climate change, posing new challenges for preparedness. The study examines six types of events and finds a sharp increase in combinations of heatwaves and forest fires, as well as heatwaves and droughts, in various regions worldwide.
A new University of Washington study projects that increasing boreal fires in Canada and Siberia will slow global warming by 12% globally and 38% in the Arctic. The fires reduce sea ice loss and cooler winter temperatures, despite their own warming effects.
Researchers at the University of Graz have developed a new benchmark timeseries that tracks global surface air temperature change from 1850 to 2034. This enables reliable monitoring of the Paris climate goals, which are set to be exceeded by 2028. The study proposes a four-classes assessment scale to gauge compliance with the agreement.
A new study from Caltech finds that the Atlantic meridional overturning circulation, commonly referred to as the AMOC, will weaken by around 18 to 43 percent at the end of the 21st century. This represents a limited decline, rather than substantial weakening as previously predicted, addressing a long-standing uncertainty in climate sci...
Researchers have discovered that urban areas experience a greater difference in wet bulb globe temperature between 0.5 m and 1.5 m above ground due to surface heat radiation, posing health risks to children and pets during extreme heat events. Total solar eclipses also alter atmospheric conditions and insect behavior, with some species...
The American Geophysical Union (AGU) and the American Meteorological Society (AMS) are collaborating on a special collection to maintain momentum in climate change research supporting the US National Climate Assessment. This effort aims to sustain the work of authors who were dismissed earlier this week by the Trump Administration.
A new study suggests that adding particles to the atmosphere at a lower altitude near the polar regions can effectively cool the planet. Commercial jets like Boeing 777F could reach this altitude.
A new study by Simon Fraser University found gaps in BC's extreme heat response plans, with urban greening being the most common mitigation strategy. The research highlights the need for co-operation and co-ordination across jurisdictions to improve neighbourhoods and address socio-economic disparities.
A Cornell University-led study predicts long-term increases in precipitation over East Asia and the Western U.S. as the Southern Ocean warms, regardless of climate mitigation efforts. The research suggests that accounting for cloud feedbacks in climate models can help explain uncertainties and improve predictions.
A recent study refines Siberia's land cover data using machine learning techniques, revealing a high-precision map that enhances climatic predictions. The new dataset improves assessments of carbon flux and ecosystem changes, providing essential insights for climate scientists.
A new study finds that global heating could exceed previous estimates, with even low emission scenarios leading to higher temperatures. The Paris Agreement's goal of limiting warming to 2°C may only be achievable under very low emissions and lower-than-estimated climate sensitivity.
Researchers found that some coral reef fish exhibit higher thermal tolerance in the Arabian Gulf's variable thermal environment, but overall biodiversity is lower. This suggests that only certain species can adapt to environmental changes, and highlights the need for further investigation into climate change impacts.
A new study led by Qian Cheng found that unusual atmospheric circulation accounted for 83% of a record-breaking cold event in eastern China. The warming effect of climate change reduced the event's severity by up to 22%.
Recent studies suggest that rising temperatures could disrupt the balance of Earth's climate by increasing plant water loss. In extreme heat, plants may lose too much water to conserve it, limiting photosynthesis and reducing their role as a carbon sink.
A new review paper warns of the devastating impacts of a 2.7°C global warming on the Arctic region, including sea-ice-free summers, accelerated melting of glaciers, and widespread permafrost loss. The authors urge individuals to take responsibility for mitigating these changes.
A 0.5°C rise in global warming will triple the area of Earth that is too hot for humans to survive, with the over 60s facing a 35% increase in heat-related risks. This could lead to millions of deaths, especially in regions like Saharan Africa and South Asia.
A recent study by Cornell University researchers suggests that the 2020 regulatory changes in international shipping emissions led to a significant increase in global temperatures. The study found that removing sulfur dioxide from shipping fuel increased the planet's temperature by 0.08 degrees Celsius.
Research by York University indicates that lake ice conditions are changing, with warmer temperatures increasing the formation of white ice, which is more prone to collapse. This poses a significant risk of accidents and drownings, particularly at the start and end of the winter season.
Researchers trained an AI system to predict future warming based on climate model simulations and historical temperature data. The study suggests that even in the best-case scenario, global warming will likely exceed 2 degrees Celsius, with severe impacts expected in regions such as South Asia and Central Europe.
Researchers link global warming spike in 2023 to reduced low-level cloud cover, which limits Earth's ability to reflect solar radiation. This decline in planetary albedo could explain the 'missing' 0.2 degrees Celsius of warming.
Coral larvae reduce metabolism and increase nitrogen uptake to resist bleaching in high temperatures. This adaptation allows the coral to conserve energy and resources, while also limiting algal overgrowth and maintaining symbiotic relationships.
The EU's sustainable finance framework urgently needs to expand to address climate goals. The current taxonomy will not meet the Paris Climate Agreement target of limiting global temperature rise to 1.5°C.
A recent study found that every 1°C increase in heat exposure increases preterm birth by 4%, while a heatwave can lead to a 26% increased risk. The review also highlights marked increases in gestational diabetes, stillbirths, and congenital anomalies.
A new crowdsourcing system, FireLoc, uses a network of low-cost mobile phones to detect wildfires minutes—even seconds—after they ignite. The system prioritizes privacy and accurately maps wilderness fires to within 180 feet of their origin.
A new framework for responsible decision-making and inclusive dialogue has been launched by the American Geophysical Union to address the risks of geoengineering research. The framework proposes five key principles to guide research, funding and policy proposals, including consideration of physical, environmental and social consequences.
A new study by MIT researchers shows that climate change will significantly impact outdoor activities in the US, with Florida and other Southeastern states experiencing major drops in
A recent study by University of Miami researchers identifies El Niño-Southern Oscillation as the primary cause of the rapid warming of the planet in 2023. The analysis shows that nearly all temperature spikes were associated with an El Niño event, highlighting the significant impact of this climate phenomenon on global temperatures.
Researchers have developed a natural fabric that reflects sunlight and allows heat to escape, while blocking the sun's rays and lowering temperature. The fabric leverages radiative cooling, with three layers designed to optimize cooling, promising relief to city dwellers experiencing warmer temperatures.
A new study published in Nature highlights the risks of exceeding 1.5°C warming, which may result in irreversible climate damage, including rising sea levels. The researchers emphasize that ambitious emissions reductions and carbon dioxide removal technologies are necessary to limit damages.
Plant biologists have mapped two paths that plants implement during elevated heat conditions to minimize heat damage. Carbon dioxide sensors play a central role in the stomatal warming-cooling responses, while a second heat response pathway bypasses normal photosynthesis-driven responses, leading to increased water use efficiency.
A recent study on the Siberian primrose highlights the urgent need to curb climate change to allow species time to adapt through evolution. The research suggests that many wild species have limited capacity to adapt to warming climates, with some facing extinction due to geographic constraints and rapid climate change.
New research reveals methane emissions from slurry stores on dairy farms may be up to five times greater than official statistics suggest. Capturing and converting methane into biogas could reduce emissions and save farmers over £400 million a year in fuel costs.
A new study reveals that climate experts believe the Earth is headed for a rise in global temperatures far higher than the 2015 Paris Agreement targets. Two-thirds of respondents think we may succeed in achieving net zero CO2 emissions during the second half of this century, indicating some optimism about mitigation efforts.
A new study published in Nature suggests that Earth's last ice age may provide crucial insights into future El Niño weather events. Researchers used ancient shells of marine organisms and advanced climate modeling to shed light on how El Niño patterns might change in a warming world.
A new study finds that carbon capture and storage technology will struggle to meet the 1.5°C and 2°C climate targets without significant expansion. The technology can sequester up to 600 Gt of CO2 over the 21st century, but current plans may not be enough to bridge the gap.
A new study finds that future climate change may reduce the Amazon's ability to act as a carbon sink by making it drier and hotter. The Amazon rainforest's carbon storage capacity is threatened by increased frequency and severity of droughts and heat extremes.