Researchers explore 'net-zero carbon debt' to track responsibility for climate overshoot, with implications for emission reduction targets and international cooperation. The study suggests that regions bearing greater debt should strengthen mitigation plans and establish support mechanisms.
A new study explores how policymakers can ease the burden of climate threats on people in informal settlements, refugee camps, and war zones. The researchers argue that these 'trapped populations' require tailored policies to adapt in their location or facilitate migration.
A new study by IIASA scientists suggests that a mix of policy measures and behavioral changes can significantly reduce GHG emissions from energy use in buildings and transport. The strategies could reduce CO2 emissions from buildings by 51-85% and transport by 37-91% compared to current policies.
A new IIASA study highlights the importance of equal access to education, jobs, and financial services for effective implementation of climate change mitigation solutions. The findings emphasize that understanding trajectories of gender equality is integral to understanding societies' development pathways under climate change.
Combining AI and citizen science enhances SDG monitoring and achievement by addressing data gaps and biases. Successful applications have been demonstrated in addressing environmental indicators, good health, sustainable cities, life below water, and life on land. The integration of these approaches can create synergies to address sust...
The MINE-THE-GAP project aims to bridge the gap in mining's environmental and social impacts by providing reliable mining indicators using advanced satellite data and artificial intelligence. The project will provide mine-level indicators, including on land use, waste generation, and extracted minerals.
A new study provides the first worldwide map of high-risk regions experiencing accelerating extreme heat, surpassing climate model simulations. The most hard-hit areas include central China, Japan, and northwestern Europe, where sequences of heat waves led to thousands of deaths in 2022 and 2023.
A new study reveals a strong correlation between women's education and lower fertility rates in sub-Saharan Africa. The research team developed a method to forecast education-specific fertility trends, finding that higher levels of female education lead to lower fertility rates.
A new study by Potsdam Institute for Climate Impact Research and IIASA scientists suggests that there are three promising routes to make significant progress towards the UN Sustainable Development Goals and the Paris Agreement. The study's results show that all three pathways are far more effective than current 'business as usual' scen...
A new study analyzed climate factors' impact on internal migration, revealing regions prone to drought-induced migration, such as Africa, the Middle East, and South Asia. The research highlights the need for policies addressing drivers of migration and consequences for destination regions.
A new study published in Nature highlights the risks of exceeding 1.5°C warming, which may result in irreversible climate damage, including rising sea levels. The researchers emphasize that ambitious emissions reductions and carbon dioxide removal technologies are necessary to limit damages.
Researchers found that agricultural practices like planting cover crops and agroforestry could reduce greenhouse gas emissions as much as planting new forests by 2050. These methods also enhance agricultural productivity and resilience to climate change, with potential income of up to $235 billion for farmers.
A new study analyzes demographic trends, patterns, and consequences of low fertility in high-income countries. Fertility decline poses economic challenges, but a strategic policy response can mitigate most adverse effects. The authors emphasize the importance of designing economies that allow individuals to freely choose their fertilit...
A new study found that nitrogen interventions can significantly lower air pollution and ecosystems damage, preventing premature deaths and crop losses. By 2050, high-ambition measures could cut ammonia and nitrogen oxides emissions by 40% and 52%, respectively.
A new IIASA study assesses the feasibility of recovering phosphorus from Swedish municipal wastewater as a sustainable source, providing alternative fertilizers. The researchers found that economic viability varies between individual plants and hub strategies, with collaborative approaches offering cost savings.
A new international study underscores the need to integrate technological advancements with robust institutional capacities to formulate effective climate policies. The research found that inadequate institutional capacity could hinder reaching even 2°C targets, while improved global institutional support could enhance the likelihood o...
Researchers analyzed four core climate tipping elements, including the Greenland Ice Sheet and Atlantic Meridional Overturning Circulation, to determine the risks of destabilization due to overshooting 1.5°C. Achieving net-zero greenhouse gas emissions is crucial to limit tipping risks.
A new study provides detailed estimates of land use change emissions for six sustainable aviation fuel production pathways, highlighting the importance of crop location and management. The results show that jatropha and miscanthus have lower DLUC emissions, while soybeans may not meet CORSIA's sustainability criteria.
A new study reveals that global forests have consistently absorbed carbon dioxide for the past three decades, with tropical forests experiencing a decline in their ability to absorb carbon due to deforestation. However, temperate forests have shown an increase in their carbon sink capacity, largely due to extensive reforestation efforts.
The study uses machine learning framework to estimate global rooftop area growth, projecting a 20-52% increase by 2050. Rooftop solar power holds significant potential for emerging economies, driving sustainable development and prosperity.
A new study suggests that implementing effective water quality management measures could halve future water scarcity in the Pearl River Basin. The research highlights the importance of addressing water pollution and other environmental factors to mitigate water scarcity and support sustainable development.
A new study by iDiv-IIASA highlights the need for improved biodiversity monitoring in Europe, citing limitations such as fragmented efforts and lack of integrated data. The researchers identified key policy areas and solutions to address these challenges, including enhanced coordination, standardization, and stakeholder engagement.
A recent study identifies areas at risk of waste leakage into aquatic environments, highlighting the need for improved waste management systems and universal waste collection. The research also emphasizes the importance of circular waste management systems to reduce pollution in these ecosystems.
A recent study analyzed 333,635 English tweets on man-made climate change, identifying four main narratives and common stances on the topic. The analysis highlights the challenges of addressing climate change adaptation and mitigation measures, as well as the need to counter misinformation and conspiracy theories.
A new IIASA-led study introduces a dynamic systems approach to understanding social tipping points, which include looking at interconnected feedback mechanisms and interactions across different systems and scales. Small actions can lead to significant changes that ripple through social and economic systems.
A new study by IIASA researchers highlights the benefits of transboundary cooperation in the Lancang-Mekong River Basin, which could maximize economic benefits while minimizing environmental losses. Full cooperation is recommended as a more beneficial and stable option for riparian countries, especially under changing climate conditions.
A study from IIASA researchers highlights the potential of demand-side measures to reduce energy and resource consumption without restricting fossil fuel use. These strategies include improving resource efficiency, promoting shared mobility, reusing materials, and thermal refurbishment of buildings.
A new method discovered by researchers has the potential to reduce agricultural nitrous oxide emissions in Europe by one-third. The solution involves growing special bacteria that can convert harmful nitrous oxide into harmless nitrogen gas, reducing greenhouse gas emissions.
A new study reveals that urbanization in Africa affects food security through dietary shifts, particularly rice consumption, leading to increased methane emissions and biodiversity loss. The research highlights the need for policymakers to adopt holistic approaches to address future sustainability challenges.
A large multi-model study found global biodiversity declined between 2% and 11% due to land-use change alone. Climate change could overtake land-use change as primary driver of biodiversity loss by mid-century.
A new study projects the impacts of increased migration on Austria's labor market and economy. The research reveals a positive effect on economic growth but significant variations in unemployment across different cohorts.
Researchers analyze degrowth scenarios to reduce emissions, highlighting the need for lower energy demand and technological advancements. The study suggests that fast emissions reductions are possible even with reduced or zero economic growth, but also raises concerns about sociocultural feasibility.
The REMASS project aims to understand how crises impact resource consumption, sustainability, inequality, and social wellbeing. The team will analyze the adaptability of resource utilization and its impact on social wellbeing through a comprehensive database on society's metabolism.
Researchers propose that policy interventions should focus on reducing energy demand to improve energy security, rather than just increasing supply. This approach is found to be more effective in making countries less susceptible to convergent energy crises.
A new IIASA study proposes a stochastic modeling framework to improve West Africa's food supply reliability. By sharing risk over time and space, policymakers can make informed decisions to strengthen the resilience of the food system.
A new commentary highlights that shifting focus from energy supply to consumption can effectively reduce carbon emissions and improve wellbeing. Reducing energy demand could save households and businesses money, create employment, and reduce emissions, while also limiting global warming in line with Paris Agreement targets.
IIASA researchers propose a conceptual framework to address justice in climate science, synthesizing distributional, procedural, corrective, recognitional, and transitional justice. The framework aims to enhance interdisciplinary understanding and promote awareness of justice considerations in climate policy.
Researchers reconstructed data on fertility and education using a modeling framework, affirming existing literature that educated women have lower fertility rates. The study highlights the spillover effect of education on fertility behavior, with more women following suit in communities where education levels increase.
Researchers evaluated global water models using new approach, finding inconsistencies in climate regions and water extremes, with implications for agriculture and groundwater use. The study highlights the need for improved model evaluation methods to inform decision makers and improve model development.
Estimates of current land-based emissions vary between scientific models and national greenhouse gas inventories, with a difference of 4-7 gigatons CO2. Countries need to achieve more ambitious climate action when comparing their national starting points with global models.
A new study recalculates US life expectancy during COVID-19, revealing smaller declines than previously thought. The hybrid life expectancy method accounts for pandemic duration, providing a more accurate assessment of the pandemic's impact.
A new system using satellite data improves crop area and yield estimates, providing critical information for food security and sustainability planning. The WorldCereal project offers a cloud-based platform with diverse operational models to cater to various user communities.
Ghana has adopted a citizen science approach to address marine plastic litter, leveraging existing data and networks to inform policies and global SDG monitoring. The initiative has become a success story, providing valuable insights for other countries to incorporate citizen science into their SDG efforts.
Replacing meat and milk with plant-based alternatives can significantly reduce agriculture's impact on the environment. By 2050, this shift could halve future declines in ecosystem integrity and contribute up to 25% of global land restoration needs. The study suggests that a 50% substitution scenario would substantially reduce environm...
A new study suggests that solar-powered irrigation systems could increase yields and profits for smallholder farmers in sub-Saharan Africa, addressing the region's high yield gap and food insecurity. The innovative system, developed by an international team of researchers, estimates a potential economic benefit of over USD 5 billion pe...
Researchers found that climate change and changing water withdrawals have a combined impact on low river flows in Western and Central Europe. The study emphasizes the need for coordinated actions to decrease water withdrawals at regional, national, and international scales to tackle climate change effects.
A systematic review demonstrates that citizen science has the potential to monitor 48 out of 58 health and wellbeing-related indicators, primarily at local and community levels. Citizen science can increase data availability, quality, and timeliness, filling critical gaps in monitoring efforts.
A new study identifies reducing ammonia emissions as a cost-effective measure to reduce fine particulate matter concentrations in Europe. Implementing effective measures in the agricultural sector could achieve significant pollution reductions, avoiding 100,000 premature deaths annually.
A new IIASA-led study addresses the challenge of adapting to climate change by proposing ways to better incorporate adaptive capacity into climate modeling tools. The researchers developed a data explorer to visualize global futures for indicators of adaptive capacity, enabling more precise risk estimates and reliable policy advice.
A new framework identifies three dimensions of justice: distributional, procedural, and restorative justice. These dimensions arise across four phases of wildfire risk management, impacting social, economic, cultural, and ecological dimensions.