Articles tagged with Climate Change
Research led by NCAR finds US ozone levels projected to increase by 70% by 2050 due to rising temperatures and climate change. However, a sharp reduction in emissions of ozone precursors could reduce pollution even as the climate warms.
Pierre Gentine, a Columbia University professor, has won a $258,011 NASA grant to research turbulence in the earth's atmosphere and improve climate predictions. He aims to model complex turbulent motions and their impact on climate circulation.
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 team of researchers found a strong correlation between the number of insect species and the types of damage they cause to leaves in modern tropical forests. The study also compared these findings with fossil data from ancient settings, showing consistency in how insects have divided up their leaf resources over time.
Stanford scientists warn that climate change will strengthen African easterly waves, bringing more intense rainfall to drought-prone areas. The warming atmosphere is also expected to increase dust transport across the Atlantic, affecting air quality and regional weather patterns.
Coral reefs are experiencing a decline in connectivity due to rising ocean temperatures, with more coral babies staying on birth reefs. This shift has both positive and negative implications for reef systems and their ability to recover from disturbances.
Researchers found that urban areas in warmer regions experience delayed butterfly emergence compared to rural areas. The study's findings suggest that butterflies may be more vulnerable to climate change than previously thought, and highlight the importance of understanding species' responses to urbanization and temperature increases.
A new study by University of Guelph researcher Prof. Merritt Turetsky and her team found that wetlands are a significant source of methane emissions, which could contribute to global warming. The study analyzed almost 20,000 field data measurements from across arctic, temperate, and tropical regions and suggests that northern wetlands ...
Research suggests that rising ocean temperatures will lead to a decrease in inter-reef connectivity and coral diversity. As reefs retain more of their own coral larvae, they may recover faster from disturbances but also become more vulnerable to climate change.
New research from Carnegie Institution scientists highlights the need for policy decisions based on sound science, rather than anecdotal information about local weather. The study finds that even as extreme weather events influence public opinion and support for climate change mitigation, waiting for people to experience these conditio...
A new report reveals that cutting down on meat and dairy products can reduce nitrogen air and water pollution, greenhouse gas emissions, and free up large areas of farmland. Adopting a demitarian diet across Europe could reduce nitrogen pollution levels by about 40%.
A new study quantifies the implications of recent changes to Brazil's Forest Code, identifying opportunities and challenges for conservation. The law reduces the area to be reforested from 500,000 km2 to 210,000 km2, sparking concerns over environmental degradation and loss of biodiversity.
A new study reveals unprecedented detail of the Amazon Basin's trees, enabling researchers to accurately assess their carbon content. The findings will help administer carbon offsetting more effectively, improving our understanding of global forest carbon storage.
Recent Minnesota projects demonstrate how communities can protect themselves from worsening storms through practical and affordable plans. The programs show that portions of existing drainage systems are already undersized, but significant portions should be adequate for even pessimistic mid-21st century projections.
A team of scientists discovered a 3-million-year-old tundra landscape preserved under the Greenland Ice Sheet, suggesting the ice sheet has endured for longer than previously known. The findings indicate that even during warm periods, the center of Greenland remained stable, preventing the complete melting of the ice sheet.
A new study reveals a significant increase in wildfires across the western US over the last 30 years, with larger fires burning more frequently. Climate change is projected to exacerbate this trend, with rising temperatures and droughts contributing to increased fire activity.
Researchers discover 3-million-year-old organic soil frozen beneath 2 miles of ice, indicating the Greenland Ice Sheet has persisted longer than known. The ancient landscape suggests a stable center during warm periods, with minimal erosion.
A team of researchers, including a scientist from Lawrence Livermore National Laboratory, has found evidence that ancient dirt in Greenland was cryogenically frozen for millions of years. The discovery provides insights into how major ice sheets reacted to past climate change and could inform predictions about future changes.
Researchers studied identical twins with trisomy 21 to understand gene expression changes. The study found that extra chromosome 21 affects entire genome, leading to various pathologies and disrupting cellular function.
A Stanford-led team has generated a genetic map of more than 10,000 species of fungi across North America, showcasing their vital role in ecological systems and carbon cycling. The research highlights the diversity and distribution of fungal species, with unique fingerprints in each bioregion.
A team of AWI climate scientists deciphered a climate paradox from the Miocene era by analyzing complex model simulations. The expansion of the Antarctic ice sheet led to changes in wind patterns, ocean currents, and sea ice in the Southern Ocean, resulting in warming regions despite cooling elsewhere.
China is leveraging strategic investments in research and development and cross-border collaboration to establish a stronger domestic innovation system. The country's returnee scientists and engineers are playing a catalytic role in improving its research and development infrastructure.
Researchers tracked drought dynamics in the US using a new Event-based Spatial-Temporal Data Model (ESTDM), which analyzed four years of European Space Agency's soil moisture and ocean salinity data. The study aims to predict future drought events by identifying patterns of spreading drought.
Researchers developed a new computer model to help plant scientists breed better soybean crops, achieving 8.5% productivity gains while reducing water usage by 13%. The model uses numerical optimization to explore structural traits like leaf distribution and reflectivity.
Post-wildfire stabilization treatment has not helped restore habitat for the greater sage grouse, a critically endangered species in the US Great Basin. The study highlights the challenges of managing non-native plants and climate change in the region, suggesting that recovery time may be longer than previously thought.
Research on carnivore size and range shows that larger animals receive more study attention, while smaller species are often overlooked. This bias may be due to human perspective in planning research agendas rather than actual conservation needs.
The University of Leeds is set to host two national centres for Earth observation research, driving economic growth through space technologies. Scientists will analyse satellite data to track climate change and ice sheet movements, providing unprecedented views of the planet.
A recent study at Chalmers University of Technology found that greenhouse gas emissions from food production threaten the UN's 2-degree Celsius limit for global warming. Reducing meat and dairy consumption could bring agricultural climate pollution down to safe levels, but broad dietary change can take time.
A study by the University of Southampton found that Autumn is becoming significantly later in the year, while Spring is arriving slightly earlier. The researchers analyzed satellite imagery and vegetation data to identify changes in vegetation growth cycles, finding a delay in Autumn's onset.
Research by Queen's University Belfast predicts that invasive waterweeds will become more widespread over the next 70 years due to climate change. Four species are expected to establish in areas 38% larger than previously thought, posing a threat to global biodiversity and economy.
Wild salamanders in North America are getting smaller as their surroundings warm and dry, forcing them to burn more energy. The changes were most marked at low elevations, where detailed weather records show a warming and drying climate.
A study found that wild salamanders living in the Appalachian Mountains are getting smaller due to warmer and drier conditions. The changes were most marked at low elevations and in the Southern Appalachians, where climate records showed significant warming and drying.
A new study by University of Sheffield researchers found that warm spring weather increases the survival rate of British small bird species. The research challenged a common assumption about the cause of death for these birds during winter.
Glacial chronologies during MIS 3 differ throughout the Tibetan Plateau, with advances on both slopes of the Nyainqentanglha being synchronous but not synchronized with Northern Hemisphere ice sheet. The study suggests a possible linkage between these events and North Atlantic cooling.
The LEGATO project aims to optimize rice ecosystem functions and services in Southeast Asia, addressing climate change and food security challenges. Preliminary results show that silicon supplementation enhances rice plant strength and resistance to pathogens.
A review of nearly 200 research articles highlights the underplay of population growth's impact on modern crises. The study emphasizes the need to address natality rates in both developed and developing nations to fix these issues.
Researchers develop new method to measure river discharge solely based on width measurements from satellite imagery, providing accurate estimates for agriculture, sanitation, and flood preparation. The approach holds promise for improving climate models and ensuring international water-sharing agreements are met.
Scientists found that Northeast Greenland Ice Stream started losing mass in 2003 due to localized temperature increase, contradicting previous predictions. The study suggests this region is sensitive to climate changes and could contribute significantly to global sea-level rise.
A UCLA study reconstructs the temperature history of a region that influences global climate, revealing significant temperature changes over 20,000 years. The findings also shed light on the mystery of retreating glaciers in the Pacific Ocean's western tropics, with implications for future climate models.
A computer model predicts significant changes in the Ross Sea ecosystem, including disruptions in food webs and predator-prey relationships. Rising temperatures and changing wind patterns are expected to affect biological productivity and species distributions.
Researchers found that species near volcanoes were more likely to survive past ice ages due to the heat and steam from volcanic activity. This discovery could inform conservation efforts in icy regions as humans continue to impact the environment.
A new study by UBC researchers found that cold-blooded animals worldwide have similar heat tolerance limits, with tropical species relying on behavioral thermoregulation. The authors recommend protecting migration corridors and habitats that provide shade, especially in the tropics.
Researchers have found that warmer temperatures push malaria to higher elevations in highland regions of Ethiopia and Colombia, with significant consequences for densely populated areas. Climate change is expected to result in a substantial increase in malaria cases globally unless disease monitoring and control efforts are strengthened.
Scientists discovered that Amazonian canopy trees have evolved unique chemical portfolios to optimize growth in different soils and elevations. The study found that these communities are organized into a large mosaic controlled by geological factors, providing insights into how forests assembled over evolutionary time.
Scientists from Queen Mary University of London developed a novel method to quantify plant tolerance to high light intensity. The study found that plants grown without quick responses to high light had reduced capacity to protect themselves from damage.
The Northeast region of the US is vulnerable to changes in food production due to climate change, with population growth and dietary choices expected to impact regional self-reliance. The region can satisfy its residents' food needs through a diverse range of crops and livestock production.
A new study by Dr Pierre Durand and colleagues found that programmed cell death in single-celled algae benefits the organism's relatives, releasing nutrients that inhibit growth of non-relatives.
Researchers discovered the process by which gas from coniferous trees creates particles that can reflect sunlight or promote cloud formation. The study estimates pine forests as a dominant source of aerosols over boreal regions.
Scientists at NPL have created a synthetic air reference standard to measure carbon dioxide and methane in the atmosphere, providing a trusted base unit for global monitoring. This innovation addresses the growing demand for standards comparable to the World Meteorological Organisation (WMO) scale.
Scientists have disproven the assumption that tropical cyclone numbers are increasing due to global warming, and instead found they are shifting southward. Late-season frost is also not receding as quickly as flowering, threatening food security.
A new digital atlas details historical sea ice concentration data in Alaska's Beaufort, Chukchi, and Bering seas from 1850 to the present. The atlas provides a reliable tool for researchers to evaluate climate change impacts and offers users interactive features to explore historical trends.
A new study published in Nature Climate Change found no link between warmer winters and reduced excess winter death rates in the UK. Instead, flu activity was identified as the main cause of year-to-year variation in winter mortality.
A new statistical hierarchical Bayesian model consolidates climate change information from various sources, including observation-based data sets and climate models. The approach provides an ensemble estimate of current and future climate along with a measure of uncertainty.
Chris Field, a leading climate expert, will discuss the state of climate science and emerging challenges related to climate change. Analysis of 27 climate models reveals accelerated pace of climate change, posing significant risks for the future.
Recent decades have been the wettest in 3,500 years in North East Tibet, according to a new study. The region's tree ring records show wider growth rings, indicating moister growing conditions, with the last 50 years seeing increasing rainfall.
A team of researchers discovered that ancient microbes used a process similar to photosynthesis to produce methane 2.5 billion years ago, long before oxygen became available. This finding may have implications for understanding climate change, agriculture, and human health.
Climate researchers at the University of East Anglia have made world temperature records available via Google Earth, allowing users to zoom in on 6,000 weather stations and view monthly, seasonal, and annual temperature data. The dataset combines records from 150 years ago, providing valuable insights into climate change.
Scientists discovered that the mass extinction of large mammals after the latest Ice Age was linked to changes in vegetation, particularly the loss of protein-rich forbs. This finding provides a new understanding of the role of climate change in shaping ecosystems during the Ice Age.
Researchers analyzed killer whale genomic data and found that populations declined during the last Ice Age due to a bottleneck effect, leading to low genetic diversity except in southern Africa's refuge population.
A recent study has confirmed the presence of 21 lizard species in Qatar, with some species found only in specific locations. The distribution maps will help identify areas that require urgent conservation measures to protect these species.