Articles tagged with Climate Change
A novel global trading system based on cost-effectiveness of health interventions is proposed to help fund global health. The system, which exchanges DALY credits, aims to incentivize high-income countries to scale up their health commitments and meet the Millennium Development Goals.
Researchers studying ice sheet movement in Greenland and Antarctica have found that warming temperatures cause sea levels to rise. The speed of ice shelf movement has nearly doubled in recent years, leading to increased sea level rises and uncertainty about future projections.
Research at Umea University found that extreme winter conditions impact fish negatively, particularly in streams and rivers with radical flow changes and anchor ice formation. The study highlights the need for more measurements and consideration of winter conditions in models to manage streams and rivers sustainably.
Research suggests that human-driven climate change will lead to more frequent and severe weather events in the US, including multi-day heat waves and heavy precipitation. As a result, extreme weather-related disasters are expected to incur significant expenses, affecting both public funds and private equity.
Researchers found that most tough-leaved shrubs and trees in South East Australia went extinct during the ice ages, contradicting the long-held theory that evolution drives biodiversity. The study suggests that extinction is equally important to diversity as evolution.
Scientists have determined the most precise dates yet for the dinosaur extinction and a comet or asteroid impact, which occurred around the same time. The revised dates clear up lingering confusion over whether the impact occurred before or after the extinction.
A recent study documents more than 100 species of amphibians and reptiles in Luzon's Sierra Madre Mountain Range. The region's unique biodiversity includes 32 endemic amphibian species and 76 native reptile species.
A new national poll conducted by Duke University found that 64% of Americans strongly support regulating greenhouse gas emissions and requiring utilities to switch to lower-carbon fuel sources. However, support for market-based approaches like cap-and-trade or a carbon tax is low, with only 29% in favor.
A new book edited by Emilio Moran joins social and natural scientists to explore human role in addressing health challenges, managing forests and animal species. The study highlights the importance of understanding people's motivations and decisions in solving environmental problems.
A US study found that local weather trends, particularly temperature fluctuations, significantly influence public opinion on global warming. The researchers suggest that headline-making weather can strongly impact climate beliefs, especially among those without strong convictions.
Researchers analyzed lake sediment to reconstruct climate patterns in Nicaragua during the Medieval Climate Anomaly and Little Ice Age. The study found that factors currently producing drier climates resulted in wetter conditions a few hundred years ago.
A new survey by a University of Alberta researcher found that 99% of respondents agree the climate is changing, but disagree on causes. The study identified five distinct beliefs on climate change and found common points of interest to promote collaboration.
A new report from an international consortium warns that climate change will disproportionately affect older people, leading to increased vulnerability and mortality. The study calls for better awareness among policymakers and the public to address this critical issue.
A Johns Hopkins University scientist finds that ozone depletion has altered the mixing of waters in Southern Ocean, potentially impacting CO2 levels and global climate. The study's findings suggest a possible slowdown or reversal of ocean ventilation if stratospheric ozone recovers.
New research reveals that topographic relief in the southern Appalachians increased by over 150% since the Miocene era, suggesting a link to post-orogenic regional uplift. The findings contradict previous theories attributing landscape rejuvenation to climate change or erosion, instead supporting an epeirogenic uplift-driven explanation.
A new study predicts that spring budburst will occur 8-40 days earlier by 2100, with the greatest changes in northern states, potentially giving deciduous trees a competitive advantage over evergreens. This shift may alter carbon sequestration and forest composition.
Researchers have discovered that Caribbean coral reefs are facing a significant threat due to reduced rates of carbonate production, leading to erosion and loss of growth potential. The study found that reefs in shallow waters have declined by 60-70% in growth rates compared to historical records.
A recent study suggests that climate change could result in earlier onset and increased severity of flu seasons. The research team analyzed waves of influenza and climate patterns in the US from 1997-1998 to present, indicating a pattern where warm winters are followed by heavy flu seasons.
Researchers predict significant changes in summer ranges of endangered Indiana bats due to climate change. Suitable habitats are expected to shift to the northeastern US and Appalachian Mountains.
A new study reveals that human activities in cities alter atmospheric circulation patterns, leading to significant warming in northern Asia and North America. The study found that the 'waste heat' generated by urban areas can widen the jet stream and increase temperatures across large distances.
Researchers warn that climate change, combined with human-driven factors, could significantly reduce usable groundwater availability for agriculture worldwide. Inadequate monitoring and mismanagement of groundwater usage will exacerbate the issue, compromising global food security.
Scientists have developed a test to detect smoke taint in grapes and wines, which can be used to manage the production of smoky-tasting wines. The test uses laboratory tests to identify substances formed in grapes after exposure to smoke.
Climate change in Madagascar could fuel the spread of lemur parasites, carrying diseases like plague and typhus. The team created probability maps of likely parasite distributions today and estimated future expansions by up to 60%.
A new study analyzing ice cores from the Greenland ice sheet found that between 130,000 and 115,000 years ago, the climate rose to about 14 degrees Fahrenheit warmer than today. This past warm period may serve as a 'road map' for future warming due to increasing greenhouse gases.
Scientists unveil the biochemistry of a unique microbial community living together in a cold sulfur spring, revealing symbiotic relationships between archaea and bacteria. The study uses synchrotron infrared to identify metabolic activities and protein structures, shedding light on a previously unknown lifestyle.
New research published in Psychological Science found that public campaigns urging Americans to think and act interdependently may actually decrease motivation for action. In contrast, Asian American students' behavior was not affected by emphasis on interdependence.
Glaciers in the tropical Andes have been retreating at an increasing rate since the 1970s, with a 30-50% shrinkage since then. Climate change is blamed for this rapid melting, which could affect water supply to Andean populations.
Researchers have found that melt ponds on young, thin Arctic sea ice absorb 50% more solar radiation, causing the ice to melt faster. This changes the light transmission beneath the ice, affecting photosynthesis and potentially impacting ecosystems.
Researchers find earliest recorded spring flowering in the eastern United States, exceeding 161-year history, due to warmer springs caused by climate change. Plants flower up to 4.1 days earlier with each degree Celsius rise in mean spring temperatures.
A workshop with 15 European colleagues identified 50 most important questions for conserving biodiversity in the Alps. These questions focus on nature, management, and people, highlighting the importance of transdisciplinary work in addressing environmental problems.
Climate change is projected to place the endemic Haleakalā silversword species at risk of extinction due to increasing water stress and lethal conditions. The plant's recovery from early threats has stalled, with annual population growth rates linked to precipitation patterns and warmer-drier climate trends.
A study published in Climatic Change reveals that global warming has increased monthly heat records by a factor of 5 worldwide. The researchers found that 80% of observed monthly records would not have occurred without human influence on climate, highlighting the urgent need for adaptation.
Future climate changes are predicted to benefit most mammals in the Arctic and sub-Arctic regions today, except for some specialists like the Arctic fox and lemming. Human activities will hinder these species from adapting, reducing their distribution instead.
Susan Solomon, a leading atmospheric chemist, and Jean Jouzel, a French geochemist, have made groundbreaking contributions to climate science. They won the 2012 Vetlesen Prize for their work on the Antarctic ozone hole and longest-yet ice core record, respectively.
Researchers at UW and PNNL will collaborate on advanced computer system designs, accelerating data-driven scientific discovery and improving computational modeling and simulation. The institute aims to solve pressing problems like climate change, energy management, and disease determination.
A study on heat-resistant corals reveals how they withstand extreme temperatures, potentially holding key to species survival for organisms worldwide. The research identified a genetic process allowing some corals to resist climate change, with 'frontloaded' genes already turned on before stress begins.
Current technology cannot provide the carbon-neutral power needed to address climate change; a minimum of 31 new wedges of renewable energy are required. The Department of Global Ecology at Carnegie Institution aims to develop sustainable solutions for environmental issues, including climate change.
Scientists at Potsdam Institute for Climate Impact Research propose a new method for measuring system stability, which could help predict tipping points in the Amazon rainforest and assess cancer risk. By analyzing data from diverse systems, researchers found that basin stability is a key factor in determining stability.
John Baez and John Huerta's paper, 'The algebra of grand unified theories,' received the prestigious prize for its groundbreaking work on group representation theory in particle physics research. The Levi L. Conant Prize recognizes outstanding expository research published in top mathematical journals.
Researchers found a strong rise in sea level for CO2 increase from 180 to 400 parts per million, peaking at present-day values. For future climate stabilization at 400-450 parts per million, sea level is set to steadily rise for many centuries.
Recent media reports have created a perception of a global increase in jellyfish. However, a new study suggests that these trends may be overstated. The research found that global jellyfish populations undergo concurrent fluctuations with successive decadal periods of rise and fall.
New Geosphere articles explore Sonograms of Earth, a 1138-m-long drill core representing 20 million years of glacial history. The articles also examine alternative hypotheses for the origin of Grand Canyon and solve debates over Death Valley.
A new study reveals nearly twice as much warming in West Antarctica than previously thought, with average annual temperature rising by 4.3 degrees Fahrenheit since 1958. This warming trend could upset the surface mass balance of the ice sheet, contributing to sea level rise.
A new study projects a 10 percent decline in the Colorado River's flow by 2040, posing significant challenges for water management in the US Southwest. Climate modelers predict increased evaporation and drying conditions across three key regions, including California, Nevada, and Texas.
Researchers at the University of Sheffield have found intriguing parallels between modern-day Syria and Bronze-Age Syria, where urban decline, government collapse, and drought led to a regional government's downfall. The study, which used obsidian tools from the ancient city of Urkesh, suggests that climate change, militarism, and unsu...
A Cornell University computer model predicts chikungunya outbreaks in NYC during August-September 2013, Atlanta from June-September, and year-round in Miami. The virus is transmitted by Asian tiger mosquitoes, which are rising in numbers due to climate change.
The University of Maryland will continue its five-year cooperative study with NASA's Earth Sciences Division to study the impacts of the Earth's connected systems on global and regional environments. Research focuses on predicting future impacts, improving drought monitoring, and analyzing satellite observations for ground-level air po...
The US Navy is accelerating its research efforts in the Arctic due to rapid changes in sea ice coverage. The recent summit brought together top officials from various government agencies to share scientific ideas and form new partnerships. Experts warn that these changes could have global environmental and socio-economic consequences.
The University of Illinois is developing ozone-resistant corn strains with the potential to increase yields and reduce costs, as estimated losses due to ozone damage in US corn production could be around $700 million. The research aims to improve crop resilience to environmental stressors.
A new study reveals that many Amazon tree species are likely to survive human-caused climate warming in the coming century. However, researchers warn of the impact of extreme drought and forest fires as temperatures rise. Conservation efforts should focus on reducing greenhouse-gas emissions and preventing deforestation.
The Mercyhurst University study assesses the current and future impacts of climate change on the overwintering energetics and microenvironmental conditions of the goldenrod gall fly. The research reveals a significant increase in energy use by larvae during winter, projected to decline with rising temperatures.
A new study published in Nature shows that increased snowfall in Antarctica leads to more rapid ice flow and greater ice loss, contributing to higher sea levels. The research suggests that global warming may accelerate ice discharge from the continent, potentially offsetting any ice gain due to increased snowfall.
Regional climate models project warmer temperatures and wetter winters in the Northeast US by 2070, with temperatures rising 2-3 degrees C and winter precipitation increasing 12-15%. However, confidence in spring, summer, and autumn precipitation changes is lower.
A recent University of California, Berkeley study found that reframing environmental rhetoric according to conservative morals can reduce partisan polarization on ecological matters. When pro-environmental messages focus on protecting the natural environment from harm, conservatives are more likely to feel disgust and support environme...
Kerosene wick lamps release 20 times more black carbon than previously thought, a hazard for human health and the environment. Replacing kerosene lamps with inexpensive LED alternatives can curb black carbon emissions and contribute to climate change mitigation.
A study from researchers at UC Berkeley suggests that reframing pro-environmental rhetoric according to values resonating with conservatives can reduce partisan polarization. The findings indicate that such approaches can increase motivation among conservatives to support environmental causes.
A CU research team studied the Larsen C Ice Shelf, finding that massive crevasses make it more susceptible to collapse. However, they also discovered that bendable ice in suture zones helps protect the shelf from disintegration.
Researchers found average wind speeds declined by 15% inland while remaining steady on the coast. Climate change and urbanization are potential factors contributing to this trend.
The American Chemical Society has developed a comprehensive climate science toolkit, providing explanations of key concepts such as the greenhouse effect and climate change education for the public. The toolkit aims to foster a basic understanding of climate science among scientists and others, enabling informed personal decisions.
Scientists using NASA satellite data and climate models have projected an increase in fire risk across the US by 2050, with more fire seasons expected to be longer and stronger. The analysis suggests that greenhouse gas emissions will lead to drier conditions favoring fire activity.