Articles tagged with Climate Change
In a new study, researchers found that small mammals in the Rocky Mountains are shifting their ranges upward by over 400 feet due to climate change. The golden-mantled ground squirrel and other species are climbing higher to escape warming temperatures, with some moving up by as much as 1,100 feet.
The report identifies eight categories of transition risk, including economic, financial, societal, environmental, technological, energy-related, geopolitical, and corporate. Policymakers and researchers need to grapple with the complex interconnections that tie these risks together.
A University of Oregon postdoc has developed a new approach to reconstruct past ecosystem services by combining pollen records with key plant traits. The method provides confidence in the ability to understand how plants performed different benefits useful for humans over the past 21,000 years.
A new type of university is emerging to address the challenges of today, with a focus on community impact and social outcomes. This 'fifth wave' of universities aims to be more inclusive, scalable, and technologically sophisticated than traditional research universities.
A new study on submarine permafrost suggests that frozen land beneath rising sea levels traps significant amounts of methane and organic carbon, with potential impacts on climate. Researchers estimate that submarine permafrost could release up to 500 billion tons of carbon into the atmosphere over hundreds of years.
Researchers found that grid-tied solar photovoltaic (PV) owners are undercompensated in most of the U.S., as the value of solar eclipses net metering and two-tiered rates. This study provides a generalized model to evaluate the economics of grid-tied PV systems, showing substantial future regulatory reform is needed.
A new study finds that swapping car travel for walking, cycling, and e-biking just one day a week can save up to a quarter of personal CO2 emissions from transport. Active transport reduces carbon footprints in cities, even in those with high walking and cycling rates.
Researchers found that climate change contributes to longer and more severe pollen seasons in the US, affecting respiratory health and viral infections. Pollen counts increased by 21% between 1990 and 2018, with a significant impact on allergy sufferers.
Researchers analyzed DNA from 591 turtles to uncover factors shaping their diversity, finding species diversified in response to historical climate shifts. The study suggests that habitats exposed along continental margins were critical for turtle speciation and remain key to their persistence.
Carnegie Mellon University chemists have discovered that iodic acids can rapidly form aerosol particles in the atmosphere, driving cloud growth. This process has significant implications for climate change, as clouds play a crucial role in regulating Earth's temperature.
The start of California's rainy season has been pushed back from November to December, extending the state's wildfire season by nearly a month. Climate scientists attribute the delay to changes in atmospheric circulation patterns, which bring more rain to neighboring states like Washington and Oregon.
Research reveals that ostriches face reproductive challenges when temperatures deviate by 5 degrees from ideal conditions, affecting up to 40% egg production and gamete release. A small proportion of females thrive in extreme temperatures, sparking hope for genetic adaptation as a potential solution.
The Biden-Harris administration aims to create research and development opportunities in clean energy and switch the US to cleaner sources. Climate change policies and updates to regulations will also be prioritized to protect public health from toxic substances. Immigration reform may lead to more scientific collaboration and access f...
A global team of experts has identified critical areas of focus for biological security, including the role of climate change and social media in detecting emerging pathogens. The list includes major questions on custom DNA synthesis, threats from invasive alien species, and regulation of neurochemistry.
A team of climatologists from Universitat Rovira i Virgili, the State Meteorology Agency, and the University of Bonn have developed homogenization methods to correct spurious trends in temperature measurements. These methods, tested on a large dataset of 1,900 weather stations, improved the accuracy of climate trend estimation.
A study found that 48 major US cities underreport their greenhouse gas emissions by as much as 145% compared to standardized estimates, affecting climate change policies. The discrepancies were likely due to limited local information on particular fuels or sectors.
Isamu Akasaki, Shuji Nakamura, Nick Holonyak Jr, M. George Craford, and Russell Dupuis receive the prestigious award for their groundbreaking work in LED lighting technology. The prize acknowledges the significant reduction of energy consumption and carbon dioxide emissions through sustainable solid-state lighting.
Researchers have reevaluated sea level rise predictions, finding they may be too conservative. By comparing model simulations with historical data, the team found that the rate of sea level rise has been accelerating over the past 150 years.
Researchers at the Salk Institute have made groundbreaking discoveries about the genome of Wolffia, a miniature aquatic plant that can grow twice as fast as other plants. The study reveals that Wolffia has shed most genes that don't contribute to growth, allowing it to focus on rapid development.
Researchers create more detailed record of global temperature during early Paleozoic era, revealing temperature variations coinciding with shifts in planet's biodiversity. The new timeline is based on analysis of carbonate muds, which preserve signatures of their original surrounding temperature.
Researchers at the University of Utah have developed a new technique to analyze magnetofossils, which can reveal information about past climates. The method uses FORC measurements to identify giant magnetofossils, allowing scientists to study ocean responses to past climate changes.
A 15-year experiment on Arctic shrubs in Greenland sheds light on species diversity and co-occurrence versus exclusion, with important implications for carbon sequestration. The study reveals trends related to carbon exchange as the Arctic becomes greener and browner due to climate change.
A study analyzing satellite data found that algal blooms in the Red Sea are linked to industrial aquaculture and have increased in frequency and size over recent decades. The researchers developed an algorithm to detect these blooms and propose a real-time monitoring system to protect the marine environment.
Research from Imperial College London found tropical cyclones are getting 30km closer to coastlines per decade, increasing the risk of damage and 'near-misses'. The study suggests changes in atmospheric patterns may be driving this trend, which could have profound implications for coastal communities worldwide.
Researchers at Newcastle University and James Cook University have created a comprehensive database of coral spawning information, spanning over 40 years. The Coral Spawning Database (CSD) provides insights into environmental cues influencing spawning timing, such as temperature and daylight patterns.
A new study by Boston University School of Public Health suggests that investing in cycling and walking infrastructure could save up to 770 lives per year across the Northeastern US, with a monetary value of $7.6 billion annually.
A new survey from West Health and Gallup finds Americans skeptical that healthcare costs will fall, with only 8% thinking they're headed in the right direction. The top issues Americans want the government to focus on are lowering insurance premiums and cutting drug prices.
Researchers at the University of Texas at Austin have identified three distinct populations of switchgrass with unique adaptations to climate, paving the way for breeding high-yielding varieties matched to specific climates. This breakthrough could lead to more efficient and sustainable biofuel production.
A new study reveals that weather patterns driven by El Nino influence predictable fluctuations in deer populations and synchronize different deer populations across the state. The researchers found that these synchronized population cycles can drive cycling patterns in nature.
A new study identified bird species with the potential to transmit Lyme disease bacterium to feeding ticks, flagging 21 new species for surveillance. Bird traits such as diet composition, migration distance, and life history features were used to predict competence in spreading Lyme.
The new HPE-Cray EX supercomputer will be a 19.87-petaflops system, 3.5 times faster than the existing Cheyenne supercomputer, and will enable researchers to conduct advanced studies on climate change, severe weather, and other Earth system processes.
The Earth Leadership Program has announced its 2021-22 North American cohort of 21 outstanding academic researchers committed to sustainability. The fellows will work collaboratively with diverse stakeholders and develop transdisciplinary projects to address the world's most pressing sustainability challenges.
A study predicts that different species of coral reef fishes will respond variably to climate change, with some exhibiting rapid responses and others being more vulnerable. The research identified seven parameters that may serve as biomarkers for evaluating the impact of elevated temperatures on these fish.
A nuclear war could lead to a 40% reduction in phytoplankton biomass in the equatorial Pacific, affecting larger marine organisms and human food supply. Scientists simulated six nuclear scenarios, showing an unprecedented El Niño-like event lasting up to seven years.
Researchers found that commercial flights between New York and London last winter could have used up to 16% less fuel by harnessing favorable winds. The study, published in Environmental Research Letters, analyzed 35,000 flights and suggests that simple tweaks to flight paths can offer benefits immediately.
A recent study led by a doctoral candidate in Arctic Alaska reveals the interconnectedness of the Arctic and North Pacific on multimillennial timescales, with implications for future climate change. The research demonstrates that reduced sea ice results in isotopically heavier precipitation derived from proximal Arctic moisture sources.
Researchers at the University of Hawaii at Manoa reconciled climate and carbon cycle trends over the past 50 million years, resolving a long-standing controversy. The study found that as atmospheric carbon dioxide decreased, the global carbonate compensation depth actually deepened, contradicting previous expectations.
New research from Rensselaer Polytechnic Institute found that AI-driven interventions are effective in stopping the spread of misinformation when a news story first emerges. The guidance is most effective when it provides reasoning that aligns with a person's natural thought process.
Scientists at Michigan Tech Research Institute studied 11 large freshwater lakes, revealing significant changes in primary productivity and carbon fixation rates over the past 16 years. Climate change, increasing nutrients, and invasive species contribute to these changes.
A team of scientists used ancient marine fossils and gravitational wave astronomy to develop a more accurate palaeo-thermometer for predicting climate change. The improved thermometer uses machine-learning tools to extract temperature from GDGT concentrations with an accuracy of just 3.6 degrees, nearly twice that of previous models.
A new carbon budget framework has been developed by researchers led by Damon Matthews, providing a more comprehensive method of calculating the remaining carbon budget. The framework estimates that between 230 and 440 billion tonnes of CO2 can be emitted before meeting the Paris Agreement target of limiting global warming to 1.5°C.
Researchers have developed a new method to improve estimations of ultimate global warming from complex climate models, relevant for accurate projections of future climate change. By adding another observable on top of traditional ones, the method reduces uncertainties in long-term calculations.
A new study finds that low-carbon policies can be designed to benefit local firms and lower-income families, while also promoting innovation and competitiveness. The researchers analyzed over 7,000 studies to identify the most effective policy combinations that balance environmental goals with social and economic considerations.
A new study suggests that low-carbon policies can be balanced to benefit local firms and lower-income families. The researchers found that five policy types had a negative impact on distributional consequences, while others could boost innovation and pave the way for a fairer transition to zero carbon.
A recent study found that ancient oceans were more resilient to climate change than previously thought, with limited expansion of seafloor anoxia during the Paleocene Eocene Thermal Maximum. However, current human activities are expected to drive more rapid and expansive oxygen loss due to higher carbon emissions and nutrient pollution.
Researchers identified the movement of the Intertropical Convergence Zone as a key factor limiting predictability of Atlantic Niño. The ITCZ's seasonal migration affects sea surface temperature interaction with atmosphere, hindering large climate changes.
A group of scientists recommends four major improvements to enhance environmental observations in the Indian Ocean, a region warming faster than others. The enhancements aim to improve weather and climate forecasting for countries bordering its rim, vulnerable to climate change.
A new global dataset of bioclimatic indicators at high spatial resolution is released to aid in understanding future species distribution and climate change impacts. The dataset, called CMCC-BioClimInd, provides valuable information for studies using species distribution modeling.
Researchers developed a method to account for missing soft-bodied organisms in ancient food webs, revealing differences between hard- and soft-bodied taxa that have existed for at least 48 million years. This work strengthens future research in ancient food web reconstruction and allows for more robust predictions of future ecosystems.
A research team from the University of Miami used a 600-year-old marine sponge to reconstruct Atlantic Ocean temperatures, showing past volcanic activity and current global warming trends. The study's findings provide valuable insights into the impact of human activities on climate change.
New research found that baby sharks are born smaller, more exhausted, and undernourished when exposed to warmer ocean temperatures. The study, conducted by the ARC Centre of Excellence for Coral Reef Studies, suggests that this could lead to a decline in their ability to survive in environments already challenging for them.
A UVA-led team has developed a new approach to power grid planning that incorporates the impacts of hurricanes, reducing costs and emissions. The model simulates the likelihood and intensity of storms, allowing for more efficient infrastructure investments and projected average electricity costs.
Recent studies document striking patterns of insect biodiversity loss, with many populations decreasing at annual rates of 1-2% a year due to human activities such as agriculture. However, some species are increasing in abundance and geographic distribution in temperate and Arctic areas.
The American Academy of Arts & Sciences and The MIT Press have announced that Daedalus, Journal of the American Academy, will now be an open access publication. This move makes hundreds of previously inaccessible essays freely available to audiences worldwide.
A recent study found that Asian water towers will struggle to quench the thirst of downstream communities despite more river runoff brought on by a warmer climate. Rising water demands from the growing population will outweigh warming in determining water scarcity in the Indus and Brahmaputra basins.
Researchers use dust in deep sea sediments to track ancient wind patterns, finding evidence that atmospheric circulation will change with climate warming. The study suggests the westerlies may continue to migrate poleward as temperatures rise.
A comprehensive study of the Antarctic's status quo and future reveals alarming changes due to climate change, including ocean acidification and increased biodiversity. The team forecasts a more intense 'greening' of coastal areas but warns that prolonged warming could lead to species extinction.
Researchers captured rare footage of a jaguar killing an ocelot at a waterhole in Guatemala, highlighting competition for scarce resources. Climate change and droughts are predicted to worsen, putting wildlife survival at risk.
A Rutgers-led study identifies chemical indicators of heat stress in corals, allowing scientists to pinpoint species at risk from climate change. The discovery could inform conservation efforts and protect coral reefs worldwide.
Researchers have developed a new method using tetra-unsaturated alkenone (C37:4) molecules to reconstruct sea ice abundance and distribution from the ancient past. This discovery could aid in understanding human-induced climate change by providing a reliable proxy for sea ice concentration through time.