Articles tagged with Climate Change
A study by Rice University finds that agricultural nitrogen emissions cause substantial damage to air quality, human health, and the climate. The researchers quantified emissions from fertilized soils over three years and found that ammonia had a much larger impact on damages than nitrogen oxides and nitrous oxide.
Researchers from Japan developed a new model to assess mangrove forest productivity, which is influenced by environmental factors such as sea surface temperature and salinity. The model uses satellite data to estimate productivity and performed better than traditional terrestrial models.
Climate change is causing rapid warming in the Arctic Ocean, which may lead to shorter, more eco-friendly maritime trade routes. This could reduce the shipping industry's carbon footprint and weaken Russia's control over trade routes through the Arctic. New trade routes could also increase global shipping infrastructure resilience.
A new Imperial analysis found that biogas and biomethane supply chains release more than twice as much methane as previously estimated, with 62% of leaks concentrated in a few 'super-emitters'. The researchers call for better monitoring and fixing of leaks to ensure the continued use of these climate-friendly gases.
A recent study by ICTA-UAB researchers found that the COVID-19 pandemic has led to a shift in public expectations, with many citizens becoming more pessimistic about future climate action. However, some respondents expressed positive views on the impact of COVID-19 on consumption habits and environmental awareness.
A recent statewide census of California bumble bees found significant declines due to climate change, urbanization, and pesticide use. Despite finding most common species, researchers failed to locate several iconic species, including the Western bumble bee, highlighting urgent need for conservation efforts.
A UCI-led study found that repeated exposure to hurricanes is associated with symptoms of post-traumatic stress, depression, anxiety, and fear. Repeated threat exposure disrupts the natural healing process, potentially leading to a mental health crisis.
A new study has found that invasive subtropical corals can survive and thrive in coastal Sydney, raising concerns for existing coral species. The research suggests that warming temperatures could kill off the native corals, highlighting the need to protect Australia's reefs from climate change.
Researchers found that extreme droughts in the 6th century CE led to the downfall of the ancient South Arabian kingdom of Himyar. This climate instability created fertile ground for the emergence of Islam in the region, as people sought new hope and a unifying force.
A previously unknown subpopulation of polar bears living in Southeast Greenland has been genetically distinct and uniquely adapted to its environment. The study provides insight into how the species might persist into the future, but highlights the need for careful extrapolation due to limited access to sea ice.
A new study in the Journal of Dairy Science finds that dairy cows exposed to wildfire smoke experience reduced milk production and altered immune function. The researchers observed a decrease in milk yield for seven consecutive days during the smoke exposure period, which persisted for another seven days post-exposure.
A new 3D comprehensive observation network has been successfully established over the Tibetan Plateau, covering various landscapes and devices. The network aims to understand climate change impacts by monitoring water cycle intensity and variation.
Children are at higher risk of health changes due to air pollution and climate change impacts, including increased asthma rates and vector-borne diseases. Caregivers can take steps to minimize exposure by making personal and family changes such as using electric cars, reducing meat consumption, and improving indoor air quality.
Researchers have created a new classification system for coexisting mangrove-coral habitats, identifying four distinct types: lagoons, creeks, fringe areas, and under the mangrove canopy. These habitats are diverse, with about 130 species of corals living in them, and are crucial for coral survival.
A Cornell University research team used AI to detect eelgrass wasting disease at nearly three dozen sites along the West Coast. The study found that warmer-than-normal water temperatures are associated with eelgrass wasting, regardless of region. Eelgrass is a vital coastal species for fish habitat and biodiversity.
A new study found that conventional methods for calculating flood risk underestimate frequencies, especially at the 100-year flood, due to neglecting unique roles of each flood type. Researchers from DRI, University of Wisconsin-Madison, and Colorado State University investigated historic floods in 308 watersheds.
A study published in The Lancet Planetary Health found that extreme weather events exacerbate gender-based violence by creating socioeconomic instability, structural power inequalities, and mental stress. This can lead to physical injury, unwanted pregnancy, and long-term consequences for victims.
A new study suggests that sustainable irrigation can boost crop productivity to feed 1.4 billion more people, reducing environmental impacts and clearing natural land for agriculture. However, climate change may complicate this calculus, requiring additional research on water management strategies.
The study found that precipitation during cold seasons is a major contributor to energy consumption in Tibet, particularly when temperatures fall below freezing. Additionally, there is a marked disparity between urban and rural areas in how climate affects energy consumption, with urban areas experiencing higher rates on cold, snowy days.
A new study in Frontiers in Earth Science questions the link between climate change and ecosystem diversity during the origin of dinosaurs in Argentina. The researchers found that variations in species abundance cannot be explained by climatic changes, instead attributing it to preservation and sampling biases.
A new field study found that warmer waters in the Atlantic and Pacific peak at higher temperatures, leading to increased predator activity and altering prey communities. This warming trend may disrupt balances in ocean ecosystems, potentially leading to changes in species interactions and ecosystem function.
A University of Maine study found that two major glaciers in West Antarctica are losing ice at unprecedented rates, potentially contributing up to 3.4 meters to global sea level rise. The researchers used radiocarbon dating and relative sea-level data to determine the glaciers' stability over the past 5,000 years.
Climate scientists argue that climate actions need to be established at multiple time scales, with a focus on slow emerging changes such as deep ocean warming and sea-level rise. This requires the development of a system of scientific ocean monitoring with a time-scale in mind, considering risks like abrupt slowdowns of ocean circulation.
Researchers from OIST developed a PCR test that detects nine sex-determining genes in Okinawa mozuku germlings, enabling the identification of male and female haploid and diploid stages. This allows for crossbreeding to create heat-tolerant strains, improving yields and addressing issues with detachment and contamination.
Researchers found that certain characteristics of refugia led to more tree regeneration, with taller trees and mountain hemlock species showing higher seed dispersal. The study suggests that natural regeneration is possible in some areas, making replanting efforts unnecessary and potentially harmful.
Healthcare accounts for nearly 5% of global greenhouse gas emissions, with inhaled anaesthetics contributing significantly. Doctors advocate for a regulatory framework for mandatory reporting and accountability to reduce healthcare's substantial greenhouse gas emissions.
A 2000-year record reveals that climate change and human activities significantly impacted Atlantic salmon populations in the River Spey. The study uses a novel method to analyze nutrient levels, providing insights into historical population dynamics.
Several salamander species in eastern US and Canada face drastic habitat loss due to climate change, threatening ecosystem stability. Proportions of suitable habitats predicted to decline significantly, with some species facing up to 96% reduction.
A new study reveals that the Asian Water Tower's frozen assets are melting away, with more liquid water in northern endorheic basins and less in southern exorheic basins. This imbalance is expected to pose a challenge to water supply-demand balancing in downstream regions.
A new study finds that cold-water corals thrive when food supply and oxygen content are available, but decline in response to changes. The research, led by MARUM, analyzed sediments from six locations and found that these factors have been critical to coral survival over the past 20,000 years.
Researchers at the University of Alaska Fairbanks Geophysical Institute found new indicators of permafrost thawing in Interior and Northwest Alaska. Talik formation, volumes of unfrozen ground within permafrost, will increase carbon movement and affect water quality.
Archaeologists discovered a critical storage site for food and items in the Mugharat al-Kahf cave, revealing how inhabitants adapted to a mobile lifestyle after a significant aridification event. The findings provide new insights into non-funerary characteristics of communities during this period.
A new study warns that the Red-billed Leiothrix, a loud and brightly coloured bird from subtropical Asia, could become established in Britain, altering the country's dawn chorus. The species has already been spotted in several parts of Europe and is kept as a cage bird, potentially leading to its escape into the wild.
A new study provides a roadmap for the US to reach its 50% greenhouse gas emissions reduction target by 2030, with rapid decarbonization in power and transportation sectors crucial. The study, based on six leading energy models, suggests that tripling historic carbon reductions is achievable through collaboration across all sectors.
A new study by the University of Washington calculates the impact of past emissions on future warming. By 2029, there's a two-thirds chance of exceeding 1.5 degrees Celsius warming, even if all emissions cease, and by 2057, there's a similar chance for 2 degrees Celsius.
A team led by UMass Amherst food scientist Matthew Moore has received a $750,000 grant to develop portable biosensors for detecting noroviruses and mycotoxins in foods. The technology aims to provide quick, cheap, and effective detection without lab testing.
Researchers argue that the Glasgow Leaders' Declaration on Forests and Land Use is too vague regarding gross vs net deforestation. This distinction matters for carbon dioxide emissions. Stopping gross deforestation would significantly reduce emissions.
Scientists have discovered that Patagonia's giant kelp forests are resilient due to frequent marine cold spells, which help regulate their environment and keep temperatures comfortable. The region has not experienced extreme marine heat waves since 1984, allowing the kelp forests to thrive for almost 200 years.
Satellite data reveals significant changes in Alpine ecosystems, with vegetation above tree line increasing by nearly 80% and snow cover decreasing slightly. This 'greening' trend is linked to rising temperatures and altered precipitation patterns, posing a threat to the region's unique biodiversity.
A new study suggests achieving a 50% reduction in US greenhouse gas emissions by 2030 is possible through increasing renewable capacity and transitioning to electric vehicles. This would limit global warming to 1.5 degrees Celsius, aligning with the UN's climate target.
Researchers at Oak Ridge National Laboratory have made significant advancements in recovering rare earth metals, developing safer batteries, and enhancing material properties through tailored molecules and advanced microscopy. These discoveries could lead to more efficient clean energy technologies and reduced carbon impacts.
Research by University of Texas Institute for Geophysics reveals how ancient global warming affected the Gulf of Mexico's marine life and chemistry. The study found that radiolarians thrived in the Gulf due to nutrient-rich river sediments, providing valuable lessons about current climate change.
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.
Researchers found that indigenous smallholder gardens and farms in Huánuco, Peru, play a crucial role in diet and biodiversity. The study identified a positive correlation between the use of indigenous Quechua language, degree of commercialization, and agrobiodiversity.
A recent study found that global warming is likely to increase the frequency of strong Western Pacific Subtropical High events, leading to enhanced flood risk in East China. This is due to increased sensitivity of rainfall and atmospheric convection to sea surface temperature variability under warmer climates.
A team of Australian scientists has analyzed rare earth elements in drilled reef cores to unveil a deep history of wild weather on the Great Barrier Reef. The study reveals that extreme runoff from intense monsoons affected water quality over 8,000 years ago, leading to reduced coral growth and reef decline.
A recent study on Reddit climate debates found little evidence of echo chambers, instead revealing a mix of polarized discussions and deliberate debate. The researchers analyzed over 18,000 posts and 267,000 comments from 93,850 users to examine topics, information sources, and community dynamics.
A Johns Hopkins University study found that microbial mats on Little Ambergris Cay regrew in just 10 months after Hurricane Irma's devastating impact. The discovery suggests these ecosystems may adapt to changing sea levels and stabilize under climate change.
A new AI method can distinguish between the overall sounds of healthy and unhealthy coral reefs, making it a valuable tool for monitoring reef health. The technique uses machine learning to analyze sound recordings and track the progress of reef restoration projects.
The Siberian tundra is projected to disappear entirely unless ambitious greenhouse-gas reduction measures are taken. A simulation shows that only 30% of the tundra can survive with aggressive climate protection, while the rest will be lost.
Researchers found that hummingbirds experience a 37% drop in metabolic rate and become torpid for longer periods at high elevations, making it unlikely they can relocate to higher altitudes. The birds' physiological response suggests lower oxygen availability and low air pressure may be difficult challenges to overcome.
The research highlights the importance of social science in engaging people and societies, ensuring a green transition that promotes wellbeing, equity, and fairness. The study suggests that both profound societal change and technical improvements are needed to meet climate goals.
Researchers from Goethe University Frankfurt have developed a biobattery for hydrogen storage using bacteria that can bind and release hydrogen in a reversible process. The system has been shown to store and release hydrogen stably over long periods, making it a promising solution for carbon-neutral energy production.
A new Virginia Tech study found that anoxic conditions can lead to a vicious cycle of oxygen loss in lakes, causing them to become sources of nutrients downstream. The study's findings suggest that climate change and excess pollutant runoff are exacerbating this issue.
Researchers developed a method to predict Western wildfire severity based on winter and spring climate conditions. The study found that April snowpack has a persistent influence on land and atmosphere during the summer, making it more conducive for fires.
Research finds human activity is behind the warmest and wettest winter on record in northwest Russia, raising flood and drought risks. The North Atlantic Oscillation's impact is reduced compared to greenhouse gas emissions.
A recent study reveals that climate change has driven shifts in European grain production, with Eastern Europe taking on a greater role. The shift is attributed to technological advancements and global climate change, which have increased crop yields in the region.
Researchers at Princeton and Northwestern universities developed a computational model of the pyrenoid, identifying key features needed for enhanced carbon fixation in plants. The study suggests that engineering a pyrenoid-like ability could improve crop growth rates and mitigate food insecurity.
Researchers have identified a cork-like substance called suberin that helps protect rice roots from floods and drought. By understanding how suberin is produced, they hope to use gene editing or selective breeding to make the crop more resilient to climate change.
The study found that breeding output collapsed due to increased maximum air temperature, with no successful breeding attempts above a threshold temperature of 35.7°C. The researchers predict that the yellow-billed hornbill could be extirpated from its range as soon as 2027.