A team of researchers has discovered that abrupt warming events played a key role in the mass extinction of megafauna during the last ice age. The study found that rapid warming, not sudden cold snaps, was the cause of extinctions among species such as mammoths and giant sloths.
A recent Arctic tundra study found that climate warming is driving dramatic changes in the region's vegetation, with shrubs growing more in warmer temperatures. This increase in shrub growth can lead to more warming in tundra ecosystems and globally.
A study by Columbia University's Mailman School of Public Health found no evidence that warmer winters lead to reduced winter mortality rates. Instead, other seasonal factors such as lack of exercise and respiratory infections may drive winter excess mortality.
A new study suggests that climate change will lead to declines in plant growing days by 2100 due to warming, drought, and limited solar radiation. Tropical regions are expected to face significant reductions in suitable climate ranges, potentially affecting food security and human societies.
A new study finds that climate change will lead to overall declines in plant growing days by 2100 due to warming, drought, and limited solar radiation. The study reveals that tropical regions will face significant reductions in suitable climates for plant growth, with some areas facing up to a 200-day reduction per year.
Researchers analyzed updated temperature data and found no decrease in warming rate between 20th and 21st centuries. The study suggests the 'hiatus' was an illusion created by earlier data biases.
A study by Carnegie's Xiaochun Zhang and Ken Caldeira found that the carbon dioxide-caused warming exceeds the amount of heat released by a lump of coal in just 34 days. Continuous power plant burning also triggers similar effects, with CO2 accumulation surpassing combustion emissions within three months.
A recent study found that ectothermic animals have limited ability to acclimate to increasing temperatures, making them vulnerable to global warming. The research suggests that these animals will need to rely on behavioral or evolutionary changes to survive as temperatures rise.
Researchers confirm strong warming in the upper troposphere, known as the tropospheric hotspot, using publicly available temperature and wind data set. The study reveals a 10% increase in winds over the Southern Ocean, suggesting ozone depletion may be responsible.
A new study from the University of Bristol argues that climate science denial is seeping into the scientific community's discussion of climate change, causing them to overemphasize scientific uncertainty. This 'seepage' of contrarian claims has led scientists to downplay the degree of threat and undercommunicate knowledge, despite know...
A new study published in Nature Climate Change finds that high mountain regions are warming at a rate faster than lower elevations, posing significant risks to alpine flora and fauna. The research team calls for improved observations, satellite-based remote sensing, and climate model simulations to better understand this phenomenon.
A recent slowdown in global average temperatures is having no effect on the planet's projected warming by 2100. The study found that long-term temperature outcomes are unaffected by short-term variability, with greenhouse gases expected to overwhelm natural fluctuations and lead to dangerous levels of warming.
High mountain regions are warming at a faster rate than previously thought, according to an international research team. This accelerated warming can lead to dramatic changes in ecosystems, including glacial melt and vegetation shifts, posing significant social and economic risks.
A new study suggests global warming is not as fast as predicted, with natural variability accounting for recent temperature changes. This 'middle-of-the-road' scenario could result in 11-year hiatuses in warming, making it more plausible than the most severe IPCC projections.
A recent study by POSTECH researchers suggests that phytoplankton may amplify Arctic warming under greenhouse conditions, contrary to previous assumptions. The growth of phytoplankton is triggered by the melting of sea ice, leading to a positive feedback loop that warms the ocean surface and amplifies climate change.
The Tibetan Plateau is warming at a faster rate than the rest of the globe, with a 30-year decline in thermal forcing attributed to enhanced top-of-atmosphere outgoing radiation. This phenomenon enhances shortwave and longwave radiation, leading to increased cloud cover and radiative cooling.
Scientists at ETH Zurich and the California Institute of Technology have shown that global warming reduces temperature variability, leading to fewer cold snaps and less fluctuation in mid-latitude temperatures. This contradicts the hypothesis that Arctic amplification contributes to extreme winter events in lower latitudes.
Scientists have discovered 30 new types of heat-beater beans that can thrive in drastic weather extremes, offering a climate-friendly option for farmers. The development of these heat-defying beans is a landmark result of urgent efforts to adapt crops to environmental stresses and could save the 'meat of the poor' from global warming.
A report suggests global warming will increase ocean upwelling in several systems, enhancing marine productivity and fisheries. However, a thicker, warmer top layer may reduce upwelling's ability to energize coastal ecosystems, posing a significant threat to global fisheries and marine biodiversity.
Recent study finds that the global warming slowdown is due to random fluctuations, not systematic errors in climate models. The simulations of climate trends agree well with observations, suggesting that the models are reliable and accurate.
A study by University of Toronto researchers found that global warming will not increase the number of storms, but rather make strong storms stronger and weaker storms weaker. The atmosphere's circulation pattern is like a heat engine that requires fuel to do work.
Research shows global warming could double the frequency of extreme La Niúna events, leading to increased droughts and floods globally. This could also lead to weather patterns switching between extremes of wet and dry, with profound socio-economic consequences.
New research suggests that Pacific trade winds played a key role in twentieth-century climate variation, coinciding with globally warming temperatures. The study found that weaker winds allowed warming to accelerate, while stronger winds prevented it. This natural process has been linked to the current slowdown in global warming.
Researchers aim to quantify global warming's influence on extreme climate and weather events, focusing on unprecedented events. Advanced statistical techniques and long-term climate observations are used to analyze the relationship between human influence and extreme event probabilities.
The inaugural survey of American attitudes about the environment reveals a complex picture of public opinion. While most Americans believe the US should take a leading role in combating global warming, they tend to prioritize other environmental concerns. The poll also found that Americans are adopting environmentally friendly lifestyl...
Researchers found a significant warming trend in air and water temperatures over 51 years, with impacts on water quality, eutrophication, and aquatic life. Rising temperatures will lead to increased nutrient runoff and shifts in plant and animal distributions in the bay's freshwater rivers and streams.
Researchers found that CO2 warming effects peak within 10 years of emission and persist for over a century. The study suggests that current efforts to reduce emissions will benefit not only future generations but also people alive today.
A study by Carnegie Institution scientists Katharine Ricke and Ken Caldeira found that climate warming caused by a single carbon emission reaches its maximum effect within 10 years. This refutes the common misconception of decades-long delays and benefits current generations, not just future ones.
A study by Michigan State University sociologists found that political orientation is the most influential factor in shaping perceptions about climate change. Climate extremes such as droughts and record temperatures do not change people's minds about global warming.
A new theoretical equation demonstrates that every million-million tonnes of carbon emitted will generate one degree Celsius of global warming. The research also shows that surface warming is related to total carbon emissions, with little change over time as ocean carbon and heat uptake cancel each other out.
A new study by Michigan State University scholar Aaron M. McCright found that only 35% of US citizens attribute extreme winter temperatures to global warming, contrary to expectations that such events would change minds.
A new study suggests that small volcanic eruptions could be contributing to the slowdown in global warming by ejecting more atmosphere-cooling gas into Earth's upper atmosphere. By deflecting solar radiation, these eruptions may have lowered global temperatures by 0.05 to 0.12 degrees Celsius since 2000.
The 2014 global ocean warming is a result of North Pacific's record-breaking warming and the release of heat from stored water in the Western tropical Pacific. Temperatures now extend along the North American coast, indicating an end to the 14-year-long pause in ocean warming.
Michael E. Mann received the 2014 Pongo Environmental Award for his groundbreaking research on global warming and strong advocacy for climate protection. The award recognizes his work in providing crucial global temperature data and a compelling case for global warming, as well as his leadership as a climate warrior.
Researchers found that groundwater temperatures have warmed significantly over the past forty years, echoing global warming trends. The warming is attributed to climate change and has been observed in groundwater close to the surface, with a certain time lag.
A new study found that future-oriented women are the voting bloc most strongly motivated to invest in reducing global warming. They tend to be more politically liberal, value the environment, believe in global warming, and are willing to pay more to mitigate climate change.
A study using satellite observations and climate models found that long-term ocean warming in the upper 700 meters has likely been underestimated. The researchers used a large suite of climate model simulations to estimate temperature changes, which suggests global ocean warming has been underestimated by 24-58%.
Researchers found that Antarctic ocean temperature layering, similar to conditions 14,000 years ago, may lead to rapid collapse of glaciers and ice shelves, causing a steep rise in global sea levels. This stratification is caused by global warming adding freshwater to the ocean surface.
Research from ARC Centre of Excellence for Climate System Science highlights Australia's climate as heavily influenced by global warming. Global warming doubled the chance of intense heat waves, tripled the likelihood of heatwave events and increased extreme summer temperatures across the country.
A new study finds that soil organic carbon decomposition does not accelerate under climate warming, but its storage remains constant. Ecosystem productivity increases with temperature change, while coarse wood decomposition and plant growth rates rise.
A recent slowdown in global warming is attributed to a natural cooling phase known as multidecadal variability (MDV) and a downturn of the secular warming trend. Scientists analyzed surface temperature data records to identify this hiatus period, which coincides with natural cooling phases.
A new study documents the warming of Greenland's large ice sheet at the end of the last ice age, resolving a long-standing paradox over when that warming occurred. The researchers used nitrogen isotope ratios to reconstruct air temperatures and found significant warming in response to increasing atmospheric CO2.
A new MIT study suggests that extreme snow events will still occur even in a future with significant warming. In some regions, such as the Northern Hemisphere, average snowfall may decrease, but snowfall extremes intensify.
Wally Broeker advocates for carbon capture technology to reduce global warming by capturing atmospheric CO2 and storing it underground. He argues that this approach is crucial to mitigating the effects of human activity on the environment.
Researchers find that El Niño and La Niña events, as well as weakened solar activity and aerosol concentrations, contributed to the recent slowdown in global warming. The study suggests that short-term climate fluctuations can be explained by natural factors without contradicting long-term warming trends.
Scientists have found a discrepancy between global temperature trends over the last 10,000 years, with some data suggesting cooling and climate models predicting warming. The Holocene temperature conundrum has important implications for understanding climate change and evaluating climate models.
Rapid Atlantic warming has turbocharged Pacific Equatorial trade winds, causing eastern tropical Pacific cooling and amplifying the Californian drought. The increased winds also accelerated sea level rise in the Western Pacific and slowed global surface temperature rise since 2001.
A new study suggests that the synchronization of North Atlantic and North Pacific climate variability preceded abrupt warming and the end of the last ice age. The researchers found that the combined warming of the two oceans provided a tipping point for rapid melting of northern ice sheets.
A recent study published in Geophysical Research Letters suggests that the slowdown in global warming between 1998 and 2013 was due to a natural cooling fluctuation, rather than human-induced emissions. The study uses statistical analysis to identify patterns consistent with pre-industrial temperature swings.
New research published in Nature Geoscience contradicts previous studies on tropical temperatures, suggesting they were warmer during the Pliocene epoch. This finding indicates that few places on Earth will be immune to global warming, with potential consequences for tropical storm intensity and climate impacts.
A new study reveals that gentoo penguin populations continue to grow in response to climate warming, while Adélie and chinstrap penguin populations are declining due to reduced krill supplies. The research, led by scientists from Woods Hole Oceanographic Institution, sheds light on how past climate change affected these species.
A recent study reveals significant resonance cycles between solar activity and Earth's surface temperature, providing a possible explanation for recent global warming. The research uses wavelet analysis and cross-correlation methods to investigate the periodicities of solar activity and its correlations with the Earth's temperature dur...
Researchers found that climate change films often perpetuate limiting identity politics, reinforcing racial, gender, and sexual stereotypes. The study suggests that dominant representations in these films fail to align with key sustainable development goals of equity, freedom, and shared responsibility.
Researchers found that stronger westerly winds are delivering rain to southern Australia while pushing colder air towards Antarctica. This explains why Antarctica is not warming as much as other continents and why Australia faces more droughts.
Researchers at University of Washington estimate up to half of recent Greenland warming is caused by tropical Pacific climate variations rather than global warming. This finding highlights the complexity of regional climate changes and the need for more accurate long-range projections.
A new research by Florida State University scientists provides a detailed look at global land surface warming trends over the last 100 years. The study reveals that not all areas have warmed at the same rate, with some experiencing cooling and others remaining unchanged.
A new study by McGill University professor Shaun Lovejoy uses statistical analysis to determine the probability that global warming since 1880 is due to natural variability. The study concludes that the natural-warming hypothesis can be ruled out with confidence levels greater than 99%, and most likely greater than 99.9%.
A new study found that permafrost thawing leads to increased release of methane and carbon dioxide into the atmosphere via plants. The research suggests that this could accelerate global warming trends by up to five times more carbon in the atmosphere.
Researchers at Penn State have redefined the Atlantic Multidecadal Oscillation (AMO), finding that its true signal was likely in a cooling phase in recent decades. This shift may have offset some of the anthropogenic warming, resulting in a temporary slowdown in global warming.
A new study found that growing season gains from permafrost thaw are outweighed by increased winter respiration, leading to enhanced carbon losses. The research suggests that the Arctic's stored carbon could reach catastrophic levels within a century if permafrost continues to thaw.