Articles tagged with Climate Change
Researchers will use computer modeling to estimate future Malaspina Glacier changes due to global warming, impacting terrestrial and marine ecosystems. The project aims to better understand glacier instability and educate visitors about climate change effects.
A new study reveals pulse-like increases in atmospheric carbon dioxide during glacial and early interglacial periods, linked to changes in the AMOC. The results suggest similar jumps could occur in the future if global warming impacts Atlantic Ocean circulation.
Brigham-Grette will lecture on her Arctic drilling research, including the longest sediment core ever collected, which provides new knowledge of Arctic climate from 2.2 to 3.6 million years ago. Her work highlights the importance of scientific drilling in understanding natural variability of climate change.
A new study finds tropical expansion is primarily driven by ocean warming caused by climate change, not atmospheric changes. The Southern Hemisphere, with more ocean surface area, experiences the most significant expansion.
Researchers studied captive African elephant trunk usage during feeding, finding varied strategies for manipulating different food types. The study revealed a correlation between food item shape and grasping strategy, allowing efficient feeding and increased food intake.
A Rutgers-led team discovered that coral sperm and eggs share similar gene functions during the planktonic stage, suggesting a crucial link to their reproductive success. The research, published in PeerJ, highlights the importance of understanding coral gametes' vulnerabilities to climate change.
Researchers found equilibrium climate sensitivity likely between 1.9 and 3.4 °C based on latest climate models, contradicting high predictions of over 5°C warming. This range suggests goals of the Paris agreement may be achievable even with nations taking maximum efforts.
A Northwestern University study found that widespread electric vehicle adoption could save approximately $17 billion annually by avoiding damages from climate change and air pollution. Replacing 75% of cars with EVs could increase savings to as much as $70 billion annually.
Researchers investigating the decline of Norway's sea trout populations have found 11 disease-causing factors. They plan to survey the entire coast using advanced analysis methods and tag 150 fish with electronic tags to study behavior and migration patterns.
A new study projects that major US cities will experience significantly increased exposure to extreme heat and cold by the end of this century. The study's authors used a novel approach to account for urban development and its interactions with climate change to predict changes in population-weighted exposure to extreme temperatures.
A new approach, Near-term to Net Zero, estimates carbon prices needed for consistency with a net-zero emissions target. The method uses reliable information and avoids uncertainties of long-term changes. Estimated carbon prices range from $32 to $93 per metric ton in 2025.
A comprehensive study reveals that climate change is causing entire plant ecosystems to shift towards warmer climates, leading to the decline of cold-loving species. This process, known as thermophilization, has significant implications for wildlife habitats and ecosystems.
Rising sea levels may cause more frequent and devastating river avulsions, altering the course of rivers to the sea. This shift in river dynamics could lead to costly infrastructure failures and increased flood risks for coastal communities.
Research predicts significant rise in East African rainfall due to climate change, with short rains expected to double by 2100. The region's long rains are less sensitive to greenhouse gas forcing and are expected to remain stable.
A global research study has identified successful coral reef restoration projects that combined local community engagement, tourism support, and trained local fishermen or divers. These collaborative efforts resulted in high coral survival rates, increased coral cover, and socioeconomic benefits for surrounding communities.
A study published in PNAS found that granting full property rights to indigenous communities in the Amazon reduces deforestation rates by 66%. This policy focus can help preserve forested areas and attain climate goals, with significant implications for indigenous people's capacity to curb deforestation.
A new study suggests that climate change will negatively influence forest growth in semi-arid climates with reduced seasonal snowpack, but less so in wetter climates. In water-limited areas, this may lead to increased tree mortality and negative impacts on forest density.
Researchers used a high-resolution climate model to compare Arctic sea ice conditions during the last interglacial with present-day data. The findings suggest that intense springtime sunshine led to the formation of melt ponds, which contributed to sea ice melt.
The Florida Current, a key component of the Gulf Stream, has slowed significantly over the past century, with its strength being the weakest in the past 110 years. This decline is linked to the broader Atlantic Meridional Overturning Circulation (AMOC) system, which plays a crucial role in regulating global climate.
Researchers explored ways to ensure power supply in Spain, considering the scarcity of interconnection with neighboring countries. They found that flexible management of hydropower plants could alleviate supply shortages due to renewable energy's intermittency.
A study by researchers at the University of California, Berkeley, found that warmer temperatures increase the likelihood of capturing infected mosquitoes in Los Angeles neighborhoods. Sustained warm temperatures over weeks allow mosquitoes to acquire and spread the infection.
A new study reveals that rock debris on glaciers can significantly reduce melt rates, with 7.3% of the world's total mountain glacier area covered in debris. This finding has significant implications for predicting future water resources and sea level rise.
Researchers in Spain studied bird nests to understand how insects and parasites detect gas concentrations, finding a positive correlation between carbon dioxide and biting midges. The study also found that methane concentration was related to bacteria in nesting materials.
The study found that the Pacific Island Countries (PICTs) are vulnerable to food insecurity due to their reliance on global supply chains. However, researchers suggest that bolstering local production and intraregional trade can strengthen the food system and protect against malnutrition. The PICTs have the potential to rely on traditi...
Researchers find that San Francisco Bay Area coastal flooding causes region-wide commute disruptions, particularly in areas with sparse road networks. Climate change exacerbates the issue, and measuring road network density is crucial for understanding community resilience to flood-related delays.
A new checklist of New Guinea's 13,634 vascular plant species has been built by 99 scientists from 56 institutions and 19 countries. The list contains 20% more species than Madagascar or Borneo, with many endemic plants found only in the region.
A new study reveals nearly 20% more emperor penguin colonies in Antarctica, totaling 61 colonies worldwide. The discovery uses satellite images to locate the birds, which are vulnerable to climate change and loss of sea ice breeding habitat.
A new study reveals that New England's trees are capturing more carbon from the atmosphere, driven by growing temperatures and increased precipitation. However, some forests are also becoming a source of CO2 due to invasive insects and climate-related stressors.
A new calibration-free version of a physical-based method can better detect long-term trends in continental-scale land evaporation rates than recent remote sensing-based approaches. This improvement is crucial for upgrading general circulation models' existing evaporation estimation algorithms to produce better climatic predictions.
Research reveals Cape Floristic Region in South Africa is rich in plant species due to long period of ecological stability, contradicting theory that high productivity is required for high diversity. The study emphasizes the need for protection and conservation in extraordinary places threatened by climate change.
Climate models struggle with reducing uncertainty in global temperature predictions and predicting tipping points, which pose a major threat to modern societies. A new review outlines a more effective approach to perform better climate simulations and extract more information from models.
A study on plant life in China's Hengduan Mountains, Himalaya, and Qinghai-Tibet Plateau reveals how climate change affects evolution. The research found that the diversity of plants today can be traced back to newly-formed mountain ranges 30 million years ago and intense monsoons that followed.
The 2020 Joint Statistical Meetings feature cutting-edge research on COVID-19 modeling, including nowcasting and forecasting. Researchers also presented advancements in precision medicine for stem cell transplants, improving patient outcomes by extending lives.
Researchers find drastic bone and organic matter deterioration since the site's initial excavations in the 1940s, suggesting similar decline may be happening across equivalent sites. The study highlights the urgent need to preserve findings from Ageröd and similar sites due to environmental changes like drainage and pollution.
A new study recommends that governments pay billions of pounds to coal plant operators to shut down early and compensate regional economies hardest hit by the loss of coal producers. This will ensure a just transition to greener energy production.
Scientists propose new soil carbon-persistence models to effectively draw down atmospheric carbon dioxide. The models focus on the interplay between time and space in soil carbon's changing molecular structure.
Researchers analyzed intrinsic water-use efficiencies in two populations of the drought-deciduous shrub Encelia farinosa. The study found that individual shrubs exhibit significant plasticity in response to climate change, rather than population-level adaptation.
A new paper by Michael Price and James Holland Jones suggests that economic choices can be guided by evolutionary principles, such as diversifying to reduce risk. By keeping a mix of goats and camels, a Kenyan herder increases the odds of household survival, which is essential for long-term persistence.
A recent study reveals that China's phosphorus cycling network has declined in resilience over the past four centuries, mainly due to increased food demand and dietary shifts. To mitigate this trend, experts suggest reducing fertilizer use, improving 'farm to fork efficiency', and increasing phosphorus recycling.
Researchers uncovered evidence of Negev viticulture's rise from the 4th to 6th centuries CE, driven by Mediterranean trade. The industry declined due to climate change, plague, or sociopolitical changes, with no link to the Islamic conquest.
A Brown University researcher found that nearly 14% of anti-climate action press releases received major national news coverage, compared to about 7% of pro-climate messages. The study suggests that this unequal coverage may contribute to public disengagement on climate change.
A study analyzing climate change press releases found that opposing views received twice the citations as pro-action views. Press releases from scientific organizations were less likely to be covered.
A new study shows that increased summer rainfall in Alaska is degrading permafrost across the state. The research team took 2750 measurements of how far below the land's surface permafrost had thawed by the end of summer, finding that more rainfall led to deeper thaw across all sites.
A study by the University of the Basque Country analyzed microfossils from 176 species of benthic foraminifera, identifying evidence of climatic events, including cold periods like Younger Dryas and warm intervals like Bolling-Allerod. The research provides insights into the biodiversity of the Bay of Biscay during the Quaternary period.
A recent research development introduces a pioneering theory of three-pattern decomposition of global atmospheric circulation. This new system improves the accuracy of climate prediction by unifying atmospheric motions in different latitudes. The theory has been praised as an original and innovative achievement with international level.
Researchers at Penn State determined the optimum dosage of 3-Nitrooxypropanol (3-NOP) to reduce enteric methane emissions in dairy cows by 16-36%, with no effect on milk production or quality. The study's findings suggest that widespread use of 3-NOP could be an affordable strategy to mitigate climate change.
Researchers identified two major factors: dry climate and city life, which led to the evolution of Aedes aegypti mosquitoes to specialize in biting humans. In regions with intense dry seasons, these mosquitoes showed a strong preference for human hosts.
Research finds consistent summer precipitation patterns between the Mongolian Plateau and North China, driven by the Eurasian mid-latitude teleconnection wave train. This phenomenon enhances moisture transport and strengthens regional climate features.
Researchers at UC Berkeley developed a new method to capture carbon dioxide from power plant flue emissions using tetraamine-modified MOFs. The technique showed a six times greater capacity for removing CO2 than current technology and was highly selective, capturing over 90% of the emitted CO2.
Researchers found that small-scale maize farming with modern hybrid seeds and improved soil health can significantly reduce deforestation and mitigate climate change. This technique helps protect forests and promote food security, particularly for vulnerable communities in Zambia.
A 2,000-year sedimentary archive from the Blue Hole in Belize provides insights into climate change and its impact on storms in the Caribbean. The study shows that hurricane activity has increased over the past 1,885 years, with a significant shift in frequency and intensity starting around AD 900.
The first commission focuses on scaling sustainable behaviour change, addressing challenges in identifying high-impact projects and understanding the relation between individual behavior and system change. The results will be published Open Access in the Global Sustainability journal, freely available worldwide.
The Community Water Model is a large-scale hydrological and water resources model that simulates global and regional water availability. It considers various sectors' demands and environmental needs, providing insights into the impact of climate change on water supply.
Bird species at mid- to high latitudes have changed their breeding season durations over the last four decades. Climate change has influenced this shift, with some species contracting their breeding periods, typically breeding earlier and having shorter seasons.
A Penn State researcher challenges the prevailing view that indigenous peoples' fires had a minor ecological impact. Instead, Abrams argues that indigenous peoples played a significant role in managing forests through frequent, low-intensity fires. This management approach allowed for extensive agriculture and supported wildlife habitats.
A recent study published in npj Climate and Atmospheric Science reveals remarkable skill in reproducing multi-annual variations of North Atlantic Oscillation (NAO) and atmospheric blocking frequency. This breakthrough suggests that impactful climate anomalies may be predictable with improved dynamical models, filling the gap between lo...
Researchers used high-quality coral genomes to study variable responses to climate change and identify genetic variants associated with bleaching. They found a polygenic risk score could predict bleaching potential in the wild, while also revealing genetic diversity in heat stress response genes.
Researchers at Rutgers University have created ultra-small nanoparticles that exhibit unusual blinking behavior, which could help produce methane and other fuels. The crystals, composed of titanium dioxide, stay charged for tens of seconds, enabling potential applications in environmental cleanups, sensors, and electronic devices.
A $3 million project aims to uncover the extent and timing of Greenland's ice sheet meltdowns, informing predictions of sea level rise. Scientists will recover samples from basal ice and sub-ice bedrock, shedding light on the past and future stability of the Greenland Ice Sheet.
A new study from Arizona State University and Stanford University uses data analytics to predict global warming trends and heat waves. The researchers tracked temperature variances over years and days, identifying early warning signs of catastrophic changes. Urban greening strategies may promote reverse tipping to restore climate syste...