Articles tagged with Anthropogenic Climate Change
Participants preferred policies that used incentives to encourage eco-friendly choices, particularly when they targeted businesses. In contrast, policies that focused on energy alternatives and used incentives were also supported. The researchers found that policy support was influenced by the type of change targeted, who was targeted,...
The study suggests that unsustainable wood harvesting by the Ancestral Puebloans occurred around 2000 years ago in Chaco Canyon, USA. This practice had significant ecosystem impacts, which are still being felt today.
Research led by VUB team shows that global changes in lake temperature and ice cover are caused by human-induced climate change, posing a threat to water quality and native fish species.
Researchers analyzed an ice core from Greenland and found that fires in the North Atlantic region decreased over 4,500 years ago due to weaker summer insolation and expanding glaciers. Human interference, such as Viking colonization, also played a role in reducing fire frequency.
Ancient human societies adapted to tropical ecosystem dynamics, revealing their adaptability and resourcefulness. By studying these past interactions with the environment, scientists can better understand how to conserve tropical environments.
The coastal Northeastern US is heating at a rate twice as fast as other regions, driven by rapid ocean warming and changes in atmospheric circulation. Significant summer warming along the coast is also occurring.
The study found that tropical forest edges are releasing large amounts of carbon into the atmosphere due to increased tree mortality. By 2100, the proportion of forest edges is projected to increase from 31% to almost 50% if deforestation rates remain high.
A new study simulates global warming at unprecedented resolution, revealing that increasing CO2 concentrations will weaken the intensity of the ENSO temperature cycle. This could lead to fewer El Niño and La Niña events, with potential implications for rainfall extremes.
A team of scientists from Princeton University found that the Arctic Ocean's nitrogen supply is limited by strong stratification, preventing plankton growth and potentially affecting fish populations. The research used fossilized plankton to study the history of nitrogen sources and supply rates in the western and central Arctic Ocean.
A study found that the Australian bushfires had a more significant impact on global climate than pandemic lockdowns, cooling the planet by about .06 degrees Celsius. The fires injected sulfates and other particles into the atmosphere, disrupting the climate system and influencing storm tracks.
A new review paper assesses heat and freshwater changes in the Indian Ocean, finding some consistent responses to anthropogenic global warming. However, observational records are still too short to distinguish natural variability from man-made changes.
A comprehensive study by Artyom Gusarov found that soil erosion and river sediment load decreased significantly in European Russia. Climate change and warming of near-soil air led to reduced frosting and decreased erosion-inducing sediment from tillage in the steppes.
A new study found that human-induced global warming is responsible for 37% of all heat-related deaths globally, with Central and South America and South-East Asia most affected. Cities like Santiago de Chile, Athens, and Tokyo saw significant increases in mortality due to climate change.
Climate-driven ocean acidification and deoxygenation impact the California Current, leading to increased phytoplankton biomass and subsurface respiration rates. This eutrophication can reduce oxygen concentrations and pH levels, with potential effects on fisheries and aquatic ecosystems.
Research by Swansea University highlights the importance of taking a wider approach to wellbeing influenced by issues like inequality and climate change. The study presents a transdisciplinary framework to understand and improve wellbeing, emphasizing the need for focused efforts to tackle societal challenges.
A Cornell-led study found that climate change has slowed global agricultural productivity growth by 21%, or about seven years, since the 1960s. The research used an econometric model linking weather changes and productivity measures to quantify the impact of human-caused climate change on total factor productivity.
Global agricultural productivity has slowed by 21% since 1961 due to climate change, with the impact being more severe in warmer regions. The study finds that areas like Africa, Latin America, and the Caribbean are already experiencing slower growth rates, highlighting the need for increased climate resilience.
A recent study published in Nature Communications found that global warming poses significant threats to the habitats of approximately 11,500 freshwater fish species worldwide. Limiting global warming to 1.5 degrees Celsius can reduce the number of species at risk from over half to just 4%.
A new study finds that climate change is the causal driver influencing the magnitude of global river flows. The analysis of thousands of time series from around the world revealed recent spatially complex hydrological trends, with rivers in some regions drying up and flowing less while others are growing wetter.
A recent study by ETH Zurich reveals that climate change has a globally visible influence on rivers, with complex patterns emerging worldwide. The research analyzed data from 7,250 measuring stations and found that river flow changed systematically between 1971 and 2010.
Climate change is altering habitats, forcing animals to migrate across national borders, which are fortified with walls and fences. The study highlights the potential ecological damage of 32,000km of borders, including the USA-Mexico border wall, China-Russia border fence, and India-Myanmar border fencing.
A new study reveals that human-induced climate changes have increased the occurrence probability of record-high SSTs in the northwestern Pacific Ocean from once-in-1000 years to once-in-15 years. The warming trend, accelerated since the 1980s, may intensify tropical cyclones and cause severe damages to East Asian countries.
Scientists have discovered that ancient wetlands experienced increased methane cycling during the Paleocene-Eocene Thermal Maximum, an ancient global warming event. This finding suggests that rapid global warming can disrupt methane cycling in wetlands, potentially exacerbating climate change.
The CriticalEarth programme aims to develop climate scientists skilled in advanced mathematical theories and the physics of Earth systems. The project addresses two key challenges: abrupt climate shifts and uncertainty in temperature rise predictions.
A new study from Cardiff University shows that direct messages sent via Facebook chat can significantly reduce the amount of red and processed meat consumed by individuals. Participants reported a significant decrease in their meat consumption, with some even expressing a desire to reduce other types of meat they consume in the future.
A study published in PNAS found that global warming accelerates biodiversity loss, putting existing and proposed post-2020 biodiversity targets at risk. However, the authors suggest that dynamic responses to climate change through flexible conservation approaches can help protect biodiversity.
Research reveals that many songbird parents displace nestlings too early, reducing the offspring's chances of survival. However, this behavior allows parents to minimize risks and increase their own likelihood of raising at least one offspring to independence.
A study suggests the probability of another 'Day Zero' drought in Cape Town will increase due to anthropogenic emissions. By 2100, the likelihood rises from 0.7% to 25% under an intermediate emission scenario, highlighting emerging drought risk in arid regions.
Scientists have developed a method to detect radical changes in ecosystems, revealing increased risk of extinction and new species creation. The method tracks ecosystem shifts above a certain threshold, allowing researchers to predict and mitigate the impact of environmental changes.
A study estimates that long-term exposure to air pollution increases COVID-19 deaths by 15% globally, with higher proportions found in Europe and East Asia. Air pollution exacerbates health outcomes by aggravating co-morbidities and causing inflammation, leading to increased vulnerability to COVID-19.
Researchers have found that interglacials were more frequently skipped in the past than previously thought. The study used a new approach to analyze climate data, separating temperature and sea level change influences, and found repeated irregularities during the last 2.6 million years.
A new land surface model CAS-LSM was developed to assess impacts of climate change and anthropogenic disturbances on global river temperature and nitrogen transport. The model found increased river temperatures in tropical zones due to climate change, with power plants warming local rivers by up to 60% in Asia.
Researchers at the University of Helsinki found that thawing permafrost releases volatile organic compounds, including monoterpenes and diterpenes, which can be highly reactive and contribute to cloud formation. The study's findings introduce new uncertainties to climate change modeling.
Marine heatwaves have increased significantly due to global warming, with major events becoming more frequent and prolonged. The probability of such events has risen massively, posing a serious threat to marine ecosystems and their ability to recover.
A new study reveals that severe marine heatwaves are more likely to occur now than before human-induced global warming began. The study found that the probabilities of high-impact MHWs occurring have significantly increased due to anthropogenic climate change.
African dust provides essential nutrients for Amazonian soil fertility and helps offset soil losses. The study found significant quantities of dust are deposited in the heart of the Amazon Basin, contrary to previous estimates.
A new global climate reference curve reveals the natural variability and extreme climate events that occurred during warm climate states over the last 66 million years. The study provides context for ongoing anthropogenic change and its potential to exceed natural variability.
A recent study found that human-induced climate change is responsible for changes in global average water availability on land during the dry season. The research analyzed data from 1902 to 2014 and showed a reduction in average water availability at a global level, with some regions experiencing increased humidity.
A study forecasts rates of water-induced soil erosion, finding increased erosion under all climatic conditions across countries. Conservation agriculture is necessary to mitigate future soil erosion and ensure food security, according to the authors.
A study found that national governments resist World Heritage 'in Danger' listings despite the sites being equally or more threatened than those already on the list. Low visibility strategies and industrial lobbying are prevalent in blocking environmental governance.
Scientists are working on establishing an early warning system for sudden changes in the Atlantic Ocean's sea currents. These changes can impact global temperatures and climate patterns. By monitoring temperature and density metrics, researchers aim to detect subtle shifts before they become catastrophic.
Researchers argue that agriculture's contribution to greenhouse gas emissions is overstated and may even have a net positive effect on the climate. Per Frankelius proposes seven measures to reduce emissions while advancing sustainable agriculture.
A new study published in Nature Climate Change reveals the South Pole has warmed at a rate three times the global average over the past 30 years. The warming trend was mainly driven by natural tropical climate variability, with greenhouse gas increases likely intensifying the effect.
A recent study suggests that long-distance migratory birds are not declining due to an inability to advance their spring migration timing in response to climate change. Instead, improvements in wind conditions and land-use changes play a major role in shaping bird population sizes.
The new FOCI system allows for high-resolution ocean and climate modelling over centuries to millennia, enabling researchers to study natural climate fluctuations and anthropogenic climate change. With its modular design, FOCI can be configured to investigate various research questions and improve the accuracy of model simulations.
A 50-year drying period in north central India reversed after 1999. Natural variability, including the Interdecadal Pacific Oscillation (IPO), contributed to changes in rainfall. The study supports robust handling of IPO in climate models for accurate projections.
Research shows a significant increase in annual maximum one-day precipitation in North America, with anthropogenic forcing detected across the continent and smaller regions. The study suggests that human-induced warming has contributed to intensifying extreme precipitation events.
Warming temperatures are causing increased aridity across the western United States, leading to declining river flows, tree death, and agricultural stress. Climate scientists warn that this trend will continue eastward, resulting in more frequent and severe dry spells, flash droughts, and interannual droughts.
Using supervised learning algorithm, researchers reduced uncertainty in oceanic N2O emissions by substantial margins. The study reveals a vigorous seasonal cycle dominated by tropical and coastal upwelling regions
New research highlights the crucial role of coastal plants in shoreline defences, which are under threat from climate change-induced rising sea levels and extreme storm events. The study calls for integration of long-term monitoring with flood risk models to predict the impact of storms on coastal ecosystems.
A recent study published in Nature Neuroscience found that when people disagree, their brains fail to encode the quality of the other person's opinion, making it harder to change their minds. This type of confirmation bias can lead to polarization and the maintenance of false beliefs.
This study examines how penguin species in Antarctica respond to changes in krill availability due to human activities and climate change. The analysis of nitrogen stable isotope values reveals that gentoo penguins shift their diet towards fish and squid, while chinstrap penguins remain exclusive to krill.
Research reveals that gentoo penguins adapted to a diet of fish and squid, while chinstrap penguins continued to eat krill exclusively, making them more susceptible to climate change impacts. Human activities since the 1930s have led to significant declines in chinstrap penguin populations.
A new study by Berkeley Lab suggests that the East Asian Monsoon will shift geographically as the climate warms, leading to less rainfall in certain regions. The researchers used global climate models to investigate changes in the Hadley cell, resulting in a contraction of monsoon rains towards the equator during summer months.
Researchers report a shift in El Niño onset from the eastern Pacific to the western Pacific, leading to more frequent and intense extreme events. Climate models predict further intensification under anthropogenic climate change.
A new study reveals that climate warming has shifted the onset location of strong El Niño events from the eastern Pacific to the western Pacific, causing more frequent extreme events. This shift is linked to increased sea surface temperatures in the western Pacific warm pool and easterly winds in the central Pacific.
A recent study found a significant increasing trend of flash drought frequency over China during 1961-2005, driven by anthropogenic greenhouse gas emissions. The exposure risk in southern provinces with humid climates is expected to increase by up to 40% in the middle of this century.
Researchers call for standardized protocols in climate experiments to predict ecosystem changes, as most existing studies are unrealistic and fail to account for projected climate scenarios. This lack of reliable data hinders our ability to forecast and plan for the future.
Historical analysis of 9,000 records reveals associations between human disturbance, climate change and local mammalian extinction. Large mammals experienced earlier and larger population declines, highlighting the impact of global cooling and warming on habitat sizes.
Regional climate fluctuations, such as Medieval Warm Period and Little Ice Age, varied across the globe. The study found no evidence of uniform warm and cold periods across the world over the last 2000 years.