Articles tagged with Climate Change
A new study calculates pandemic-related deaths of 700,000 and annual economic losses of $500 billion, according to a theoretical model applied to rare pandemic scenarios. The estimated costs fall within the Intergovernmental Panel on Climate Change's estimates of global warming costs.
Climate change is affecting the size of organisms, including British Columbia beetles. Larger beetle species have shrunk by up to 20% in the last 45 years due to warmer temperatures.
Nearly half of California's natural vegetation is at risk from climate stress, with a study finding that reducing greenhouse gas emissions could lower this number to 21-28 percent. The research also highlights areas that are more resilient to climate change, such as some coastal regions and parts of northwestern California.
Researchers found that artificial sweeteners in wastewater can indicate contamination of groundwater with septic system pollutants. The study suggests regular inspection and maintenance of septic systems and well water testing are necessary to ensure safe drinking water.
A century of observations reveals how sea-level rise is increasing tidal range in the Chesapeake and Delaware bays, impacting ocean navigation, fishing, and energy sources. The study found that sea-level rise can amplify tidal effects in some areas, while decreasing them in others.
Researchers have recovered over 2000 artefacts from the edges of contracting glacial ice in Norway, dating back to 4000 BC. The finds suggest a pattern of increased activity in the Late Antique Little Ice Age and again during the Viking Age, likely driven by changes in climate and human migration.
Researchers estimate Eocene sea surface temperatures to be 30-36 °C, significantly warmer than present. The study provides insight into possible future climate change due to higher atmospheric CO2 levels during the Eocene epoch.
Researchers used a combination of conventional and remotely-sensed climate measurements to model the future distributions of bamboo species in southwestern China. This approach increased confidence in model results, providing valuable guidance for conservation planning and nuanced decision-making.
Research across 462 sites in the western US found that winter snow melt increased with rising winter temperature in humid areas, but not in arid Southwest regions. In these areas, spring snow melt occurred earlier as temperatures rose.
A recent study by FSU researchers found that high carbon dioxide levels stimulate flower production in tropical forests. The findings suggest that these forests may be more sensitive to climate change than expected.
A new data mining methodology developed by Georgia Tech scientists can analyze millions of climate data points without relying on human expertise. The approach breaks down complex models into simpler components, allowing for more robust and transparent results in climate science research.
Global experts recommend a broader appreciation of nature's contributions beyond ecosystem services, recognizing cultural significance and local knowledge. The new approach aims to increase the effectiveness and legitimacy of policies by incorporating a richer information base.
Researchers found that Antarctic fish can adapt to warmer waters but are unable to withstand both climate stressors simultaneously. The study suggests these fish must use their existing physiology, which is limited, to cope with the challenges.
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.
Scientists have identified eight locations on Mars with significant water ice deposits, providing insights into the planet's climate history and habitability. The ice is found to be cohesive and strong, with distinct layers that could help understand changes in Mars' climate over time.
A recent study found that 70% of respondents believe the marine environment is under threat from human activities, with pollution and fishing identified as top concerns. The public also strongly supports protection of marine areas through MPAs, but rules governing these areas vary widely.
Researchers find uplift of sea floor in region caused by ice melting to be primary cause of methane hydrate dissolution. The process, ongoing for thousands of years, is not linked to climate change.
Researchers have discovered a surge in radium-228 levels in the central Arctic Ocean, indicating large-scale changes along the coast. The team suspects that melting sea ice has stirred up sediments, releasing radium into the ocean, which could have significant impacts on Arctic food webs and animal populations.
A quarter of the world's land could become significantly drier if global warming reaches 2C, according to new research. This change would increase the threat of droughts and wildfires, with areas such as semi-arid regions experiencing conditions similar to arid climates.
A study of 20,000 tree species observations in the European Alps found that climate change has led to a decline in elevation gradients of leaf-out dates from 34 days to 22 days between 1960 and 2016. This shift is likely due to increased late spring and winter temperatures.
Researchers propose new statistical methodology to understand climate system and attribute extreme climatic events. This approach views extreme events as a given and assesses the degree of changes in thermodynamic state variables influenced by climate change.
A new study suggests that climate change will increase asylum-seeking into the European Union, with a potential 28% increase by 2100 under a slow-warming scenario. The researchers found a link between weather fluctuations and migration, with countries experiencing temperature increases having more asylum seekers, while cooler countries...
Researchers studied black carbon aerosols from biomass burning under different combustion conditions, finding varying mixing states. The study revealed intense coagulation during flaming combustion, resulting in a thicker coating on rBC particles.
Ecologist Cathy Pfister used WWI-era maps to study kelp forest changes in the Pacific Northwest. The abundance of kelp beds remained constant despite climate change, except for areas closest to Puget Sound and Seattle.
A study from Dartmouth College reveals that warming tropical oceans have caused a strengthening of the Aleutian Low pressure system, driving increased snowfall in Alaska and other regions. This is evident in record accumulation rates dating back over 1200 years, exceeding normal variability.
A new study in Nature Communications reveals the link between exploding stars, clouds, and climate on Earth. The research shows that atmospheric ions produced by cosmic rays accelerate the growth of aerosols into cloud condensation nuclei, influencing cloud formation and climate.
High-resolution climate simulations suggest that extreme thunderstorms will increase in frequency under a warmer climate scenario. This shift is caused by changes in thermodynamic conditions of the atmosphere.
A study on late Permian ecosystems sheds light on biodiversity and species distribution near the equator. The research found an unusual variety of species in fiery, hot deserts, challenging the assumption that tropical regions are diversity hubs.
A recent study by World Weather Attribution found that climate change increased the likelihood of extreme rainfall events like Hurricane Harvey. The research suggests that storms like Harvey are now three times more likely in today's climate.
Researchers developed a statistical model to understand the frequency and severity of megadroughts in the western US. They analyzed tree ring evidence from 800 to 1300 A.D. and found that megadroughts occur naturally, with some events potentially linked to solar activity or other non-climatic factors.
Long-lasting compounds still dominate the outlook for ozone recovery, despite regulations by the Montreal Protocol. Short-lived compounds from human sources are expected to have minimal impact on ozone recovery due to their short lifetimes.
Increased UVB radiation leads to a decrease in body size and an increase in risk-seeking behavior among three-spined sticklebacks. The fish, which cannot see UVB rays, exhibit more thorough risk checking and exploration behavior when faced with predators.
The East Antarctic Ice Sheet's stability is being questioned after a marine geologic survey found that some regions have been sensitive to climate change for millions of years. This ice mass loss could lead to catastrophic sea level rise, affecting Florida and other major US cities.
A Rutgers-led study finds that scientists won't be able to determine the exact sea-level rise scenario until the 2060s due to Antarctic instability. Meeting the Paris Agreement goal of zero greenhouse gas emissions could make lower sea-level rise outcomes more likely.
A Brazilian-American research group has published a comprehensive study on monitoring the survival of muriquis, two critically endangered primate species. The study highlights key factors such as population trends, conservation priorities, and feasibility, providing a roadmap for preserving these unique animals.
Researchers found significant decreases in tree regeneration following wildfires in the early 21st century, a period marked by hotter and drier conditions. This decline in forest resilience will take much longer to recover after a wildfire, with some areas showing no seedlings growing.
Scientists found that thinning small areas of floating ice at Antarctica's coast can trigger accelerated movement of grounded ice hundreds of kilometers inland. The study reveals that warming ocean waters and increased stress on the grounding line can lead to catastrophic ice loss, threatening cities worldwide.
A study predicts that global wind power resources may decrease in the Northern Hemisphere's mid-latitudes and increase in the Southern Hemisphere and tropics by 2100. However, if emission levels are mitigated, wind power production in these regions may not see a corresponding increase.
A special issue of Advances in Atmospheric Sciences highlights recent research on Arctic-midlatitude linkages. The study aims to improve understanding and prediction of Arctic change, which influences extreme weather events in the mid-latitudes.
A new study outlines five ways to better manage China's severe air pollution problem, including conducting research on the cause of pollution and creating more effective prevention and control methods. The strategies can be applied to other heavily polluted countries as well.
Researchers from UK and US institutions have set out six guiding principles for clean energy investment, emphasizing autonomy, stability, and adaptive strategies. The guidelines aim to provide more long-term stability when investing in clean energy.
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.
Researchers from Princeton University and NOAA found that the Arabian Sea's extreme cyclone activity increased significantly since 2014, with a 27% rise in 2015. The study validated climate model projections by showing that global warming and fossil fuel burning led to the formation of these storms.
Researchers found that the optimal amount of rainfall for plant productivity lies in an intermediate climate, where plants can use slightly more moisture than usual. This 'mesic maximum' range is crucial for maintaining ecosystem health and agricultural systems under projected climate change conditions.
Despite losing some 108 square kilometers of forest between 2001-2014, Mozambique's Niassa National Reserve has the potential to support large elephant populations. The reserve supports tens of thousands of elephants and 1,000 lions, making it one of the few places remaining on the planet with large wildlife populations.
A new study by UC Santa Barbara researcher Matto Mildenberger finds substantial differences in Republican and Democratic climate change views across different states and congressional districts. The research reveals varied opinions among Republicans on issues like climate policies, renewable energy, and carbon regulations, despite part...
A new study by NIOO-KNAW reveals a dangerous gap between scientific facts on climate change and polar bear blogs, which often rely on misinformation. The study found that 45 'denier blogs' failed to overlap with peer-reviewed evidence, while 45 science-based blogs matched the evidence in scientific papers.
A recent study reveals substantial differences in climate change views between Republican elites and their party members, with only a quarter of Republicans believing human-caused climate change. The research also finds that Republican support for climate policies varies by state, with Southern Florida showing strong backing for regula...
A study suggests that expanding sugarcane cultivation in Brazil for ethanol production could reduce global carbon dioxide emissions by up to 5.6% by 2045, while replacing up to 13.7% of world crude oil consumption. The expansion of sugarcane cultivation is proposed in areas not under environmental protection or reserved for food produc...
Researchers find that oil industry revenue is helping accelerate carbon capture and storage (CCS) development, but may not be sufficient to meet the Paris Climate Agreement's emission reduction targets. CCS has the potential to slow global warming, but its deployment is currently limited.
A study by UMass Amherst researchers reveals that anaerobic microsites play a significant role in stabilizing soil carbon, contrary to previous assumptions. The team's findings suggest that these oxygen-free zones can protect up to 10 times more carbon from decomposition, posing a previously unrecognized threat to the global carbon cycle.
Archaeologist Alan Sullivan argues that prehistoric people used fire to promote the growth of edible plants such as amaranth and chenopodium. Lab analysis found ancient pollen from clay pots with only six out of 6,000 grains identified as corn.
A new instrument called CaPASOS will be used to measure CO2 levels in the air and surface of the ocean in remote regions. This will provide valuable data on carbon dioxide uptake by the ocean and its impact on climate change.
A recent study reveals a strong link between temperature and methane bubble emissions on a global scale. The research found that warming temperatures lead to increased production of these gas bubbles in aquatic environments, contributing to greenhouse gas emissions.
The EU project Nunataryuk explores the consequences of permafrost thaw on Earth's coldest shorelines, collaborating with local communities to devise new strategies. Thawing permafrost releases greenhouse gases, contaminates coastal waters, and harms marine habitats.
Researchers developed a computer simulation tool to predict short-term flood hazards on coral reefs and assess longer-term impacts from climate change. A rare 'esker' was discovered on Mars, indicating recent water flows despite cold climates.
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.
Researchers found plant respiration releases 30% more carbon dioxide than previously estimated, posing a significant threat to the Earth's ability to absorb fossil fuel emissions. The study's findings are based on comprehensive data from over 10,000 measurements and suggest that as temperatures rise, plant respiration will increase sig...
Hybrid mixed matrix membranes show resilience to industrial gas impurities, allowing effective CO2 capture. This finding is crucial for natural gas sweetening and post-combustion carbon capture applications.
New research suggests that plant respiration could be up to 30% higher than previously estimated, leading to reduced ability of the Earth's land surface to absorb fossil fuel-related emissions. This finding has significant implications for modeling carbon cycles and understanding the impact of climate change.