Articles tagged with Climate Change Effects
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A new theory suggests that massive emissions of halogenated gases from giant salt lakes at the end of the Permian Age contributed to the world's largest mass extinction. The researchers calculated that these emissions could have caused catastrophic effects on vegetation, leading to irreparable damage.
A new study reveals that dust storms and volcanic eruptions have a significant impact on the Atlantic Ocean's temperature. The researchers used satellite data and climate models to find that changes in African dust storm and tropical volcano activity account for about two-thirds of the upward trend in recent decades.
Research suggests that global warming will worsen health problems like heat-related mortality and diarrheal diseases due to climate change. The US needs an estimated $200 million in annual funding to study these impacts and develop protective measures.
A new study reveals that climate change is drastically reducing daddy long legs populations, which in turn affects the food supply of upland birds such as golden plovers. The drop in cranefly larvae can lead to starvation and death for many chicks.
Scientists have found that rising CO2 levels can stimulate plant productivity and increase marsh surface elevation, potentially increasing the capacity of coastal wetlands to tolerate relative rises in sea level. However, this effect may be short-lived as increased CO2 levels continue to accelerate global warming and sea-level rise.
Citizen scientists transcribe historical bird records into scientific database for better understanding of climate change effects on bird populations. The USGS North American Bird Phenology Program aims to unravel the impact of global warming on bird behavior and migration patterns.
A recent MIT economic analysis reveals that a 1 degree Celsius rise in temperature reduces economic growth by an average of 1.1 percentage points in poor countries, but has no measurable effect in rich countries. Higher temperatures also reduce investment and innovation in poor nations.
A new decade-long database of aerosol measurements over land has been compiled, revealing a global decline in clear sky visibility from 1973 to 2007. This trend is indicative of increases in airborne pollution and its impact on climate change research.
Researchers found phytoplankton levels decreasing in northern part of peninsula and increasing in southern part over past 30 years. This shift may contribute to decline of penguin populations.
Research shows that higher CO2 concentrations in freshwater micro-algae lead to a reduction in their nutritional value, affecting the small animals that eat them. This can have detrimental effects on the entire underwater food chain, influencing ecosystems and potentially leading to changes in aquatic species distribution.
A recent experiment studying the effects of ultraviolet radiation on liverwort asexual propagules found that students successfully formulated and tested hypotheses about UV impact. The study aims to understand how bryophytes develop protection mechanisms against UVR, which can inform crop resilience.
The Amazon Rainforest's drought sensitivity is a growing concern due to climate change, threatening both nature and people. The study reveals that increasing drought can cause irreparable damage to the jungle and its carbon-sequestration abilities.
The USA-NPN is launching a new national program to track the effects of climate change on seasonal changes in plant and animal behavior. Scientists will use volunteer observations to monitor life cycles of nearly 200 species of plants, predicting wildfires, pollen production, droughts and assessing ecosystem vulnerability.
Research finds that tropical forest lizards are less tolerant of high temperatures than their relatives at higher latitudes. A temperature change of just a few degrees can significantly reduce their physical performance, making them more vulnerable to extinction. The study's lead author warns that the same concerns apply to other ectot...
A new indicator shows climate change is affecting many bird species in Europe, with some benefiting and others declining. The study found that 75% of the species studied are projected to decline due to climate change.
Researchers at Cardiff University found evidence of a global ocean circulation 'seesaw' that linked abrupt temperature changes in the North Atlantic to rapid cooling in the Southern Ocean, with implications for our understanding of climate change's effects on a global scale.
A massive 'red tide' bloom caused seabirds to lose their waterproof insulation, leading to hypothermia and starvation. Researchers found a surfactant in the foam that stripped the birds' feathers of their natural oils.
An analysis of European cities found that higher temperatures lead to a significant increase in respiratory-related hospitalizations. For every degree increase above 90% of the maximum apparent temperature, there was a four percent average increase in respiratory-related hospitalizations, especially among the elderly.
Researchers highlight successes in managing fish stocks and protecting Pacific coral reefs from climate change impacts. These efforts may offer a temporary reprieve, but prioritizing biodiversity protection is crucial.
A University of Alberta biologist is sounding the alarm on Canada's neglect of crucial research on climate change's effects on its lakes, reservoirs, and carbon cycles. Studies reveal that lake water levels are depleting at a rate of less than one percent per year, posing a significant threat to emergency water supplies.
Researchers find 93 plant species are moving their flowering ranges to higher elevations due to rising summer temperatures. The study, which spanned 20 years, reveals some plants flowered farther uphill while others stopped at lower elevations.
A dramatic rise in sea level occurred about 400,000 years ago, exceeding 21 meters above current levels. This finding has significant implications for understanding the impact of future climate change on coastal ecosystems and biodiversity.
A new study identifies 33 countries that will suffer most from climate change's impact on fisheries, including those in Africa, Asia, and South America. These nations face unprecedented hardship due to their high dependency on fish as a source of protein and income.
Climate change and mosquito adaptation could lead to the expansion of dengue fever vectors in Australia, increasing disease transmission risk. The researchers' Niche Mapper software predicts suitable habitats for the mosquitoes will increase across the continent by 2050.
Researchers at the University of East Anglia evaluated 12 geoengineering schemes and found that stratospheric aerosol injections and sunshades in space have the greatest potential to cool the climate. However, these schemes also carry significant risks.
A new model predicts climate change and human water storage behavior will accelerate the spread of the disease-bearing Aedes aegypti mosquito. The study highlights the importance of water hygiene education to prevent mosquito establishment in areas where they are currently not found.
A recent study suggests that Neanderthals went extinct due to competition with Cro-Magnon populations. The researchers used a predictive method to analyze the distribution of archaeological sites and reconstructed climatic conditions during this period.
A new US government report suggests that abrupt climate changes could occur within decades, with rapid sea level rise and severe droughts predicted. The report synthesizes the latest evidence on four specific threats for the 21st century, including melting of polar ice sheets and acceleration of seaward flow.
Future increases in wind strength along the California coast may lead to more intense upwelling of cold water, potentially causing a larger 'dead zone' off the Oregon coast. Stronger winds could also create hazardous fire conditions in Southern California.
A new study by Cardiff University found that climate change is hindering the long-term recovery of rivers from the effects of acid rain. The research, which took place over a 25-year period, showed that up to 40% of improvements made in reducing acid rain have been canceled out due to climatic effects.
A 10-year study found that climate change limits the amphibian's breeding habitat in high-elevation lakes, leading to population decline. The Sierra Nevada Yellow-legged frog relies on two to four years of permanent water for development, making repeated tadpole mortality from lake drying a critical threat.
A 25-year study on Welsh streams found that climate change hampers long-term recovery from acid rain effects. Despite improvements in acid levels, only four new insect species colonized the improving rivers, falling short of expected numbers.
The report warns of devastating effects on forests and communities due to climate change; adaptation measures, such as improving forest management and conserving ecosystems, are crucial to mitigate the impacts. Forests provide vital ecosystem services and income for millions of people.
Researchers used NASA satellite data to estimate the heat-trapping effect of water vapor, validating its critical component role in climate change. The study found that increasing water vapor leads to a spiraling cycle of warming and increased absorption, amplifying the warming effect of other greenhouse gases.
Researchers at Queen's University Belfast trace the family tree of octopuses, revealing a link between climate change and their global distribution. The study suggests that many deep-sea species evolved from Antarctic ancestors, highlighting the impact of thermohaline circulation on marine biodiversity.
Darrel Jenerette, a UC Riverside landscape ecologist, investigates the moderating effects of vegetation on urban heat islands in Phoenix, Arizona. The research aims to guide policymakers and planners in bolstering protective measures against heat-related illnesses.
Scientists at Harvard University found that different plant families near Walden Pond have reacted to climate change in varying ways, with some facing sharp declines or local extinction due to their inability to adjust flowering times, while others remain more resilient.
A team of Arizona State University researchers is investigating human vulnerability to deadly heat exposure in the face of climate change. The study aims to guide policymakers and planners in bolstering protective measures to prevent heat-related illness and deaths.
Researchers will investigate the effects of climate change on biodiversity, wildfires, and people in the Pacific Northwest using two multi-site projects. They aim to develop policies that protect people from wildfire while conserving and protecting biodiversity.
Research on deep Japanese caldera lakes reveals rising temperatures in southern Japan's deep water, while northern lakes remain unchanged. This can lead to changes in nutrient exchange and oxygen supplies for organisms.
A new type of seed bank is proposed to gather wild species, capturing evolutionary responses to future changes in climate. This approach will allow detection of the results of calamitous changes and testing of evolutionary predictions.
A new study predicts that a two-degree temperature increase could shrink kangaroo populations by 48% and lead to their possible extinction in northern Australia. Climate change is likely to affect habitats, particularly water availability, making it harder for kangaroos to adapt.
A study by University of California, Berkeley biologists found that small mammal populations in Yosemite National Park have shifted to higher elevations in response to warmer temperatures. The study, which compared data from 1914 and 2014, also revealed changes in community composition due to climate change.
A study found that extreme flood events in 2002 had a significant impact on carabid beetle and mollusc populations, but not on plant species. The vegetation was the least affected by the flood, with some species benefiting from the increased water.
Climate change is expected to cause significant economic impacts on US states, with total costs running into billions of dollars for North Carolina, North Dakota, Pennsylvania, and Tennessee. The studies also highlight the need for quick action to mitigate these effects, as delayed action will only worsen the situation.
A recent study reveals that seabirds are a significant source of nitrogen in remote coastal ecosystems, contributing to eutrophication and acidification. The research found varying emissions between seabird species, with bare ground nesters producing more ammonia than burrow nesters.
A long-term study of mammal fossils in northern Pakistan reveals a significant decline in diversity after climate change precipitated a shift in vegetation. The research, spanning 5 million years, shows that mammals that relied on fruit and browse disappeared early, while those that ate grass adapted or went extinct.
A team of scientists has developed a new framework to better account for the impact of aerosols on precipitation in climate models. The study suggests that increased aerosol loading may lead to changes in precipitation patterns, affecting regional water resources and global climate systems.
A new study analyzing ancient DNA from 160 mammoth samples across Holarctica suggests that North American mammoths replaced dwindling Siberian populations around 50,000 to 5,000 years ago. The findings refute the notion of climate change as a direct cause of extinction, instead pointing to a complex pattern of migration and evolution.
A team of scientists found that current protection zones are ineffective in preventing coral reef collapse due to climate change. New areas need to be established to focus on escaping or recovering regions, while managing the entire system is crucial for long-term survival.
A new study suggests that grazing animals in the Arctic can reduce the expected expansion of shrub growth, which would otherwise help mitigate climate change by absorbing more carbon dioxide. The researchers found that muskoxen and caribou reduced shrub growth by 19-46% in plots with increased temperatures.
New research suggests that climate change may increase Middle East rainfall by up to 50% in the Euphrates-Tigris watershed, contrary to previous projections. This could alleviate agricultural challenges and reduce food shortages.
Aeroecology is an emerging field exploring how airborne organisms depend on the lower atmosphere closest to the Earth's surface. This research has significant implications for understanding behavioral, ecological, and evolutionary responses of organisms in complex meteorological conditions.
Researchers study aerosol particles, including soot, using advanced instruments to better understand their lifecycle and effects on climate. This knowledge is crucial for addressing climate change and related public health concerns.
A new series of reports from the University of Maryland's Center for Integrative Environmental Research projects long-term economic impacts of climate change on eight US states, with estimated costs ranging from $1 billion to billions. The studies highlight the need for state and local policy-makers to plan for additional changes ahead.
Exposure to chemical & biological contaminants can cause respiratory & neurologic symptoms, allergies, asthma, and lung cancer. Secondhand smoke & radon are major causes of lung cancer after cigarette smoking.
A new study by Syracuse University and the University of Sheffield found that certain plant species can adapt to long-term climate changes in Northern England's grasslands. The experiment, which spanned 13 years, revealed that these plants can respond to slow-paced environmental shifts, thriving in their existing location.
A new theory on nitrogen fixation in ecosystems may help scientists better predict the effects of climate change. The researchers found that temperature constraints and phosphorus acquisition abilities play a crucial role in shaping the distribution of nitrogen-fixing plants across global ecosystems.
Marine ecosystems face significant threats from climate change, including warming temperatures, nutrient supply disruptions, and ocean acidification. The paper calls for increased research funding to better assess these impacts and develop adaptation options.
Yale Environment 360, a new online magazine, covers global environmental issues with reports, analysis, and Op-Ed-style pieces. The site features original articles by leading journalists, scientists, and experts, showcasing diverse perspectives on climate change, energy policy, and more.