Articles tagged with Climate Change
A new study maps the mysterious loss of the Tasmanian tiger from mainland Australia, tracing its history over 30,000 years. Climate change and increased human activity are found to be key causes of extinction, with a large population of thylacines living in western regions until around 3000 years ago.
Research by University of New South Wales scientists finds that even a 1.5°C temperature increase will lead to longer and more frequent heatwaves globally. Tropical regions are expected to experience almost constant heatwaves with just a 2°C rise, while others may become unliveable if temperatures increase by 5°C.
The discovery of 15 new species in the genus 'smiley faced' spiders challenges previous estimates of biodiversity in the Caribbean. Researchers named these species after notable figures including Obama, Sanders, David Bowie and DiCaprio to promote awareness about human rights, equality and climate change.
A research team led by Ingi Agnarsson discovered 15 new species of smiley-faced spiders in the Caribbean region, challenging previous assumptions about a single widespread species. The study highlights the importance of good taxonomy and conservation biology in protecting biodiversity.
Researchers propose a 'sociotechnical' framework to accelerate low-carbon transitions by aligning innovations and systems, focusing on socio-technical systems rather than individual elements. This is critical to achieve the goals of decarbonizing and saving energy faster, further, and more flexibly.
A new study by Ohio State University researchers found that people who rely on concrete evidence to form their beliefs are less likely to have misperceptions about high-profile scientific and political issues. On the other hand, those who trust their intuition over evidence are more likely to believe fake news.
Researchers developed an intelligent smart meter that creates significant energy and money savings for homeowners by providing personalized advice on how to reduce energy consumption. The device has been shown to significantly reduce household energy usage and bills through clear actionable information.
Researchers from the University of Oxford and international partners found that achieving the Paris Agreement's goal of 1.5°C global warming requires more ambitious emission cuts than initially estimated. The study suggests that limiting total CO2 emissions to below 240 billion tonnes could achieve this goal.
A new study found that the majority of Americans support a carbon tax, with 80% wanting revenue used for clean energy development and infrastructure improvements. The average American household is willing to pay $177 per year in carbon tax, generating around $22 billion for investments in renewable energy and infrastructure.
Researchers have uncovered a wealth of information about ancient wetlands on North Stradbroke Island, which offer never-before-seen insights into climate change since the last ice age. The discovery provides a unique window into past climate and environments, shedding light on how plants and animals survived in a dry climate.
Researchers used a network approach to analyze the polygonal patterns in clouds, finding that they can be re-created using a simple mathematical model. This new method promises to help scientists improve the accuracy of cloud descriptions in computer models, which is crucial for climate projections.
Researchers from Wake Forest University and Smithsonian detail a new genus of large forest tree commonly found in the tropical Andes. The Incadendron esseri, also known as 'Esser's tree of the Inca', is a canopy tree that stretches up to 100 feet tall and is susceptible to climate change.
A global analysis suggests that climate change could lead to the extinction of up to a third of parasite species by 2070. The study used museum collections and GPS coordinates to understand conservation risks. Parasite diversity is a key indicator of ecosystem health, highlighting their critical role in maintaining balance.
A new study suggests that as Earth's climate warms, global unforced temperature variability will likely decrease, while local regions could see sharp increases in natural temperature variability. This shift is due to albedo feedback, which reduces the impact of melting sea ice on amplifying natural temperature fluctuations.
A global study of over 5,000 people from 40 countries reveals diverse communities form strong attachments to the Great Barrier Reef, regardless of geographic location. The research suggests resource managers should engage with global communities to build broad public support for protecting the reef.
A new Concordia University study uses NASA data to predict Montreal's future climate, showing increased spatial variability and intensity of climate impacts. The research highlights the need for local design and management approaches to address climate change, rather than relying on one-size-fits-all solutions.
Researchers from California Academy of Sciences propose a new model of island biogeography for marine organisms, describing the surprising ways they fill niches and diversify. The study reveals that fast-dispersing marine species quickly colonize available ocean niches, leaving no chance for adaptation.
Researchers date skeleton found in Chan Hol cave near Tulum, Mexico to ~13k BP, suggesting human settlement in the Americas occurred during late Pleistocene. The finding provides one of oldest examples of a human settler in the region.
Researchers found that reducing invasive moose populations indirectly lowers wolf density and stops decline of endangered caribou. This approach shows promise as a long-term solution to stabilize the species, which requires population growth to achieve recovery goals.
A study predicts that changes in precipitation and air temperature will lead to increased plant mortality risk in 13 temperate and tropical forests worldwide. However, higher atmospheric humidity and CO2 concentrations partially offset this rising mortality risk.
Researchers at Portland State University found a correlation between wildfires and warm weather fluctuations, known as the Southern Annular Mode (SAM), in fire-scarred trees dating back to 990 A.D. This study, published in PNAS, indicates that wildfires have become more frequent due to climate change.
A new study found that Solenodon, a venomous shrew-like mammal, has survived human arrival in the Caribbean by adapting to a flexible diet. The research suggests that this flexibility allowed Solenodon to thrive despite human-induced climate change and invasive species on the islands.
A new study reveals genetic insights into heat tolerance in peas, identifying two key traits: longer flowering duration and higher pod numbers. These traits can help breed more resilient pea varieties for warmer climates.
Researchers at Carnegie Mellon University found that people's beliefs about scientifically-associated topics become increasingly polarized with education. Education was correlated with both political and religious identity for some issues, while others showed a correlation only with political identity.
Researchers estimate that climate change increased overlap between sockeye salmon spawning and red elderberry ripening seasons on Kodiak Island, Alaska. This shift in food resources can alter food webs among Kodiak brown bears.
Fish are expected to shrink by 20-30% in size as ocean temperatures rise due to climate change. This decline is caused by gill-oxygen limitation theory, where the surface area of gills cannot supply enough oxygen for a larger body.
A study on Costa Rican tropical bird species reveals that climate change and habitat conversion are driving the loss of biodiversity by favoring similar species in both wetter and drier areas. Conservation efforts should focus on protecting wetter forests and incentivizing private landowners to create forest patches near their farms.
A new study from Indiana University validates the stability of the East Antarctic ice sheet's central core, even if the West Antarctic ice sheet melts. The research team found evidence confirming the stability at an altitude of 6,200 feet, suggesting that climate change may not have a significant impact on the interior ice sheet.
Research examines alternative reasons for climate change denial in Louisiana, highlighting economic and cultural influences. Despite high rates of denial, parish residents show environmental awareness, suggesting a focus on local issues like coastal erosion.
Researchers found that plants growing in dry climates have higher concentrations of leaf wax, a natural protective barrier. The team bred winter wheat cultivars with increased wax production, which enabled them to tolerate drought and produce high yields.
A new study reveals that subsea permafrost in the East Siberian Arctic Shelf (ESAS) degrades at a rate of 18 cm/year, exceeding previous estimates. This suggests that massive methane emissions into the atmosphere may occur due to the destruction of hydrates, contradicting IPCC climate model predictions.
A 11-year study on lake trout found that warmer years lead to reduced growth and diet changes, with a focus on smaller prey. The research suggests climate change impacts top predators' feeding behavior and energy acquisition.
An analysis of 50 years' worth of data reveals that climate change is causing rivers to flood earlier in the spring in western and northeastern Europe. This shift is largely attributed to changes in soil moisture retention and increased snowmelt due to warmer temperatures.
A 94-million-year-old climate change event showed severe oxygen depletion in ancient oceans, with a similar rate of decline observed in contemporary oceans. Researchers used Thallium isotope analysis to examine organic-rich sediment and found evidence of rapid oxygen loss before a major climate event.
A new report confirms 2016 as the second-warmest year on record, with global temperatures reaching 1°C above pre-industrial levels due to human-induced climate change and El Niño events.
Researchers from Stockholm University have established the SeaBOS initiative to engage global seafood companies in ocean conservation. The collaboration aims to address unsustainable fishing practices and promote marine ecosystem protection.
A GW researcher argues that the human genus may have originated by chance, rather than in response to environmental changes. Computer simulations suggest that clusters of species originations could be caused by random fluctuations, rather than a single broad-scale event.
Researchers found that people tend to believe others will come around to their point of view over time, leading to diminished likelihood of taking action. The study's findings shed light on causes and consequences of political polarization across cultures.
New research by Dick Startz suggests that achieving the global temperature goals laid out in the Paris Climate Agreement is unlikely, with a 95% chance of temperatures increasing by more than 2 degrees Celsius by 2100.
The largest remaining ice shelf on the Antarctic Peninsula has lost 10% of its area after a giant iceberg four times the size of London broke free. Dr Anna Hogg and Dr Hilmar Gudmundsson tracked the iceberg using satellite technology, revealing that it has started to drift away from the Larsen-C and formed smaller icebergs.
Researchers found that trend-based methods identified high-risk species with declining populations, while trait-based methods showed little pattern. The study highlights the importance of long-term monitoring and caution when using historical data for climate change risk assessments.
A team of scientists flew a high-altitude research aircraft to altitudes up to 20 km above the Asian Monsoon, collecting data on air composition and its impact on global climate. The mission aims to better understand how the monsoon system responds to human emissions of pollutants and climate change.
A study analyzing 18 years of coral-disease data found that three common diseases spike during El Niño years, mirroring the cyclical patterns of these climate events. This alarming association may indicate an increase in disease intensity due to climate change, with potential consequences for coral reefs.
A study by James Muirhead and colleagues suggests that the formation of intrusive igneous rock sills triggered the End-Permian Mass Extinction. The team found that extreme heat from sill emplacement exposed sediments to contact metamorphism, liberating massive greenhouse gas volumes that drove extinction.
Researchers found that two more degrees of warming are already committed to by past emissions, regardless of current efforts. Even if all fossil fuel emissions stopped, warming would still reach about 2.3 degrees Fahrenheit by 2100.
A new University of Washington study using statistical tools shows only a 5 percent chance that Earth will warm 2 degrees or less by the end of this century. The study suggests major, sustained effort on all fronts over the next 80 years is needed to achieve the goal of limiting warming to 2 degrees.
A global framework study shows that new dikes can effectively address flood risk, with benefits outweighing costs. The research provides critical information for policymakers, identifying regions where efficient investment in flood protection is needed.
A global study concludes that building dikes to reduce flood damage yields economic benefits, outweighing initial costs. The researchers found that some regions can even avoid higher flood damages by 2080 with effective investment in flood protection measures.
New research reveals that Arctic sea ice loss can play an active role in altering the Atlantic Meridional Overturning Circulation (AMOC), a major water circulation system. The study found that a 30-50% loss of AMOC strength due to Arctic sea ice loss could accelerate its collapse.
Researchers used models to simulate the effectiveness of a combined set of geoengineering tools in reducing warming and precipitation changes. The study found that deploying both methods in concert could decrease global warming to pre-industrial levels, but with substantial regional variations in rainfall.
A recent study found that climate change significantly contributed to the severity of the 2013 Colorado flood, with heavy rainfall increased by 30% due to a warmer atmosphere. The researchers used high-resolution models to 'hindcast' the event and attributed the increased precipitation to human-induced climate change.
Experts argue that campaigns focusing on climate science consensus are likely to backfire and fuel debate rather than promoting policy efforts. The messaging strategy promotes confusion over the extent of consensus and has an uncertain evidence-base.
Researchers predict that 54% of English species can expand their populations into new areas, while 27% may not find suitable climate in existing sites. The study highlights the need to protect and enhance habitats for species to colonize new areas.
A new study published in Science found that offering small financial incentives to Ugandan landowners cut deforestation in half, preserving 3,000 tons of CO2 and costing just 46 cents per ton. The program, which worked despite initial skepticism, could be a cost-effective way to meet climate change goals.
LSU researchers are awarded grants from the National Academies of Sciences and Robert Wood Johnson Foundation to study inland-coastal environmental conditions, community health, and adaptive capacity. The projects aim to improve resilience in Gulf Coast communities, with a focus on building a Culture of Health.
A new study from Umeâ University reveals that bird genera inhabiting climatically stable areas have diversified into more species than their sister genera. Climatic stability reduced the risk of extinction and allowed diverging lineages to persist without going extinct or merging until speciation was completed.
A new statistical model projects an increase in dust storms in the southern Great Plains from spring to fall in the late half of the 21st century due to reduced rainfall and increased land surface bareness. Climate change is also predicted to reduce dust activity in the northern Great Plains in spring during the same time period.
Research reveals that strengthening winds in East Antarctica generate Kelvin waves that lead to increased melting along the West Antarctic Peninsula. This warming can drive up to 1°C of water temperature, contributing to significant ice shelf melt and potential sea-level rise.
A new Stanford study reveals that as super-giant oilfields age, the energy required to operate them increases, leading to higher greenhouse gas emissions. The researchers developed a software tool to accurately calculate these emissions, finding that some oilfields see a doubling of emissions per barrel over a 25-year operating period.
Professor Matthew England has been awarded the Tinker-Muse Prize for Science and Policy in Antarctica for his outstanding research on the influence of the Southern Ocean on global climate. He is recognized for his leadership roles in international programs and commitment to translating global issues to local impacts.