Articles tagged with Climate Change
Ranchers in Chile's Andes region blame guanacos for competing with livestock for pastures, but a study reveals that climate change is the key driver of this conflict. As temperatures rise, guanacos are forced to seek better grazing, leading to increased competition and tensions between humans and wildlife.
Researchers found that ocean surface temperatures were more important than solar radiation in driving rainfall in the region. This discovery provides context for the development of tropical rainforest ecosystems in Central America and sheds light on the impacts of climate change on ancient civilizations.
A study published in Geophysical Research Letters suggests that global cooling following a nuclear war would worsen the impact of ocean acidification on marine life. The cooling would dissolve atmospheric carbon into the upper ocean, increasing acidity levels and challenging shell maintenance for organisms like corals, clams, and oysters.
A new study reveals global ocean circulation has accelerated over the past two decades, with a sharp increase in kinetic energy from 1990s onwards. The acceleration is attributed to intensification of surface winds and a near 2%-per-decade rise in wind speeds.
A new study reveals that the world's most biodiverse regions are under threat from human-driven climate change, with tropical ecosystems expected to lose over 75% of their climate-safe habitats by the end of the century.
According to a new study, human activities have inadvertently increased plant growth globally, which absorbs carbon dioxide and cools the planet. This 'global greening' trend could be slowing down global warming by up to 0.2-0.25 degrees Celsius.
A global team of scientists is analyzing satellite and drone data to better understand the impact of climate change on Arctic vegetation. The research found that the greening of Arctic regions is caused by more than just warming temperatures, with other changes including differences in snowmelt and landscape wetness.
Researchers found that rapid weather variability, common in warming climates, can kick-start the flu season and lead to densely populated areas experiencing high contagion rates. The study suggests incorporating environmental factors into flu spread models may improve predictions of future epidemic severity.
A study by the University of Nottingham found that sharing information on sustainable features increases consumers' positive emotional connection to food. The researchers tested Bambara Groundnut-based products and discovered that participants rated them higher when told about climate change and sustainability issues.
A new study by the University of Bath and Essex found that 90% of Remainers and Leavers agree on important topics such as poverty, climate change, and housing. The research suggests that there is more to unite them than divide them, challenging the popular perception of a deeply divided society.
Research by ecologist Kathleen Treseder reveals that fungi make resource allocation decisions in response to climate change. In extreme conditions, fungi store more carbon, but in moderate climates, they release more carbon dioxide.
During droughts, mountain forests and grasslands at higher elevations release more water into the air than in normal growth periods. This is due to increased metabolism promoting water uptake by vegetation. As a result, evapotranspiration rates are above average, draining rivers and streams of half their usual volume.
A team of researchers from the University of Arizona and other institutions is studying the Baja California peninsula's evolution and biodiversity over time. They aim to determine how geological activity, rainfall patterns, and climate cycles have shaped the region's biodiversity and found that multiple causations are likely.
J. Marshall Shepherd, a renowned meteorologist, has been awarded the 2020 Mani L. Bhaumik Award for Public Engagement with Science. He is recognized for his exceptional ability to communicate complex scientific concepts to broad audiences through various media platforms.
A new study challenges the narrative around Cahokia's demise by revealing a complex series of migrations, warfare, and ecological changes in the 1500s and 1600s. Fecal stanols derived from human waste preserved deep in the sediment under Horseshoe Lake provided crucial evidence for a Native American presence in the region.
A recent study suggests that climate changes in Africa, driven by Earth's orbit and vegetation patterns, may have provided resource gradients for humans, driving migration outward to areas with more water and plant life. The model showed large increases in rainfall and vegetation at specific time periods, potentially creating advantage...
A new UBC study finds that swapping out grapes for more drought and heat-tolerant varieties can ease the transition to a warmer world, with up to 51% of current winegrowing regions potentially lost to climate change. Diversification may limit losses to 24%, with specific regions like Burgundy and Bordeaux adapting to new varieties.
A new study warns that global conservation efforts may not be making progress due to ecological time-lags. Conservation measures can take decades to show results, and current targets may not accurately reflect success or failure. The research proposes using milestones to track progress towards biodiversity goals.
A new method for developing genetic markers improves transfer rate to 92% in grapevine species, enabling breeders to quickly identify desirable traits. This breakthrough has far-reaching implications for improving fruit quality and responding to climate threats.
A study found that increasing wine grape cultivar diversity can reduce agricultural losses from global warming, with a 4 °C warming scenario expected to still cause significant declines in vulnerable regions. The research suggests that 85% of all identified wine-growing regions would be lost if cultivar turnover did not occur.
A new study reveals that tropical forests and coral reefs are being threatened by a combination of ongoing climate changes, increasingly extreme weather, and damaging local human activities. The research highlights the urgent need for international action to decrease CO2 emissions and reverse this trend.
A recent study published in Journal of Systematics and Evolution suggests that global warming could negatively impact the processes that generate biodiversity. The research focuses on the evolutionary success of Carex, a genus with over 2000 species, which is favored by cold climates during the past 10 million years.
Research from Stanford University found that climate change could cause the loss of over a quarter of ectomycorrhizal fungal species in North American pine forests. The study projected how climate change might affect fungal diversity, with some regions experiencing significant decreases and others gains.
Researchers have discovered a unique CO2 hotspot in the ocean, with readings of up to 95,000 parts per million. The site, known as Soda Springs, is being studied for its potential to understand how coral reefs cope with climate change.
Researchers discovered that coralline algae can build tolerance to ocean acidification over time, providing a potential solution for coral reef survival. The findings suggest that these algae may be able to resist the impacts of climate change on coral reefs.
A recent study found that corals in warmer waters host more heat-tolerant symbiotic microalgae, which aid in surviving heat waves. However, this comes at a cost of lower nutrition for the coral when temperatures cool down.
Researchers identified six socio-economic tipping elements, including divestment from fossil fuels and climate-neutral cities, that can drive rapid global decarbonization. Permanent support and backing by changes in norms and values are crucial for sustaining these transitions.
A study examines climate and vegetation changes in early modern human environments, finding that periods of wet climate facilitated human migration. Variations in climate and vegetation patterns also led to contractions and expansions of regional habitats, potentially influencing the dispersal of early modern humans.
A research team has found that Cyanobacteria produce relevant amounts of methane in oceans, inland waters, and on land. This discovery refutes the traditional assumption that methane generation occurs only under anoxic conditions by microbes of the domain Archaea.
A study has mapped several sites in Europe containing gas hydrate, a relatively clean fuel that could play a role as a substitute for coal in the coming decades. Gas hydrate is stored in an ice-like form beneath the seabed, with potential deposits found off Greenland, Svalbard, Norway, Ireland, and the Mediterranean Sea.
A study published in Environmental Research Letters suggests that global warming could lead to a significant rise in violent crime rates in the United States. The research team used climate data and an FBI crime database to identify regional connections between warming and crime rates, particularly in winter.
A new study published in Nature Climate Change concludes that future subtropical warming is the main culprit behind accelerated tropical climate change. This phenomenon originates from the interaction of atmospheric and oceanic circulation changes, as well as cloud processes between subtropical and tropical regions.
A new study found that closing nuclear plants in Germany resulted in substantial increases in global and local air pollution, with an estimated annual social cost of $12 billion. The shift to fossil fuel-fired power also led to increased mortality rates associated with air pollution.
A new project aims to connect networks of groups developing sustainable and resilient cities worldwide. The NATURA network will link early-career scholars and practitioners to share knowledge on climate change resilience.
The National Social Work Education Health Futures Lab will explore trends in climate change, artificial intelligence, and social media's impact on mental health. The center aims to train social work educators as futurists and democratize foresightful approaches.
The ENSO heat engine is shifting eastward under global warming, leading to changes in global climate variations during ENSO years. This shift may also accelerate the decay of El Niño events after their peak phase, shortening their duration.
A University of Seville study links African spring growth to photoperiod, not rainfall. Researchers found a combination of factors influences vegetation seasonality, with sunlight hours the most critical factor.
Geographers at University of Cincinnati found a tipping point in deforestation where forests disappear quickly after being cut in half. The study used satellite images to analyze landscape changes across the globe and discovered that nature abhors mixed landscapes, favoring homogeneous blocks over time.
Researchers found Antarctic waters had changed by comparing shipboard measurements with robot float data, revealing larger-than-predicted warming and oxygen loss around the Antarctic coast. The team improved climate models to better reflect environmental changes, which could impact predictions of ice melt.
A group of scientists has conducted a new analysis that concludes the 'weather-is-not-climate' paradigm is no longer applicable. They found that daily weather data can reveal long-term warming trends, provided global spatial patterns are considered.
Researchers found that changes in deep-water circulation occurred around 7,000 years ago, influencing CO2 levels in the atmosphere. This discovery highlights the importance of studying past climate change and suggests future climate change could lead to increased CO2 release from Southern Ocean.
A study finds La Niña is associated with cooler temperatures, increased rainfall, and higher flooding in Botswana, leading to a 30% increase in under-5 diarrhea incidence. This could lead to an early-warning system to prepare for periods of high diarrhea cases.
Researchers have engineered a new variety of gene-edited tomato plants that can be grown in compact spaces, producing ripe fruit in under 40 days. These 'urban agriculture tomatoes' are designed to thrive in urban environments or other places with limited space, such as on the roof of a skyscraper or in space.
Coastal wetlands will retain their power as carbon sinks despite sea level rise due to sediment accrual rates outpacing sea level rise. The study found that salt marshes can sequester excess carbon in their sediments, acting as a vault for stored carbon.
Fossil record will be unique in Earth's history with many complete hominid skeletons, as human activities alter burial practices and increase animal density. The Anthropocene era will leave an unmistakable signal for paleontologists 100,000 years from now.
Researchers at the Institute of Atmospheric Physics, Chinese Academy of Sciences, published a report analyzing climate monitoring data for the Three Gorges area of the Yangtze River in 2018. The study provides basic climate monitoring facts and data to inform further research on extreme climatic events.
Research finds water samples insufficient for detecting EPTO groups and other macroinvertebrates, bulk benthos sampling provides richer taxonomic recovery. Bulk-benthos samples show stronger association with EPTO families than water samples.
A study of ancient Scottish tree rings reveals that a devastating famine in the 1690s was caused by faraway volcanic eruptions and exacerbated by Scotland's political isolation from England. The researchers argue that nations should stick together to be stronger in the face of climate change.
Oil companies spend most on advertising during negative media coverage and Congressional action on climate change. The study found that investments in promotion directly correspond to Congressional action and media coverage.
A new study analyzed 2 decades of migration data and found that spring migrants were likely to pass certain stops earlier now than they would have 20 years ago. The researchers also found that temperature and migration timing were closely aligned, with the greatest changes in migration timing occurring in the regions warming most rapidly.
Research analyzing nocturnal bird migration found spring migrants arriving earlier than in previous years due to warming temperatures. This shift in migration timing may have negative consequences for migratory birds, as they rely on food and resources that are out of sync with their passage.
Research reveals that current patterns of tropical and subtropical mammal diversity are shaped by both past and present climate and human impacts, with specific effects varying by region. The study found that legacies of the ancient past continue to structure patterns of life on Earth today.
Population genomic datasets reveal that Antarctic penguin species expanded rapidly after the Last Glacial Maximum, while those in ice-free habitats showed less expansion. Climate change may be driving similar demographic shifts again as global warming continues.
A new study by University of Alberta ecologists reveals that male squirrels who move outside their population live longer and have more offspring. In contrast, female squirrels do not reap the same benefits, losing out on family support and facing fitness costs after dispersal.
The Wyss Academy for Nature tackles biodiversity losses, climate change, and land resource demands by bringing together experts from policy, business, and civil society. The initiative aims to develop forward-looking solutions on a global scale.
Researchers from the Chinese Academy of Sciences conducted model perturbation experiments to improve monsoon predictions. The study sheds light on the complex atmosphere-ocean-land interactions driving monsoon systems and their regional variations.
Researchers at Embry-Riddle Aeronautical University present findings that a type of Martian aurora is the most common on the Red Planet, offering insights into water loss and climate change. The study uses data from NASA's MAVEN spacecraft to track hydrogen escape and understand how Mars' atmosphere has changed over time.
A recent study by Dr. Karin Limburg and Michele Casini reveals that hypoxia caused by climate change is responsible for the declining condition of Baltic cod. The researchers analyzed otoliths, or earstones, found in the fish's hearing and balance system, which showed a clear link between hypoxia and the decline of the species.
A Dartmouth study confirms tropical glaciers began melting at the end of the last ice age due to a decrease in temperature differences between polar and tropical regions. This finding clarifies how global temperatures transformed during one of Earth's most extreme climate change events.
A new study reveals that polar bears at sea, particularly pelagic bears, accumulate more pollutants due to their diet rich in marine life closer to pollutant sources. This is attributed to increased energy requirements and longer periods without ice, forcing them to feed on land-based prey or rely on fat reserves.