Explore

Past Fossil Fuel Emissions to Continue Warming Planet for Decades, Fueling Future Legal Battles

Past Fossil Fuel Emissions to Continue Warming Planet for Decades, Fueling Future Legal Battles

New research from the University of Washington indicates that past emissions from major fossil fuel producers will continue to warm the planet for decades, even if greenhouse gas emissions were to cease immediately. This study, published in PLOS Climate, highlights that the top 178 oil, gas, coal, and cement producers, referred to as 'carbon majors,' are responsible for a substantial portion of the trillion tons of carbon dioxide already emitted. This carbon will remain in the atmosphere for millennia, trapping heat and contributing to persistent warming. Dargan Frierson, a UW associate professor of atmospheric and climate science, emphasizes that the amount of warming attributable to past emissions is calculable and relatively independent of future emissions. This ongoing impact means that the Earth will remain approximately 1.5 degrees Celsius above preindustrial temperatures, even in a scenario where all future emissions are halted. The findings strengthen the scientific basis for connecting extreme wea...

University of Washington Research Links Past Fossil Fuel Emissions to Decades of Future Climate Disasters

University of Washington Research Links Past Fossil Fuel Emissions to Decades of Future Climate Disasters

A new study from the University of Washington reveals that carbon dioxide emissions from the world’s 178 largest oil, gas, coal, and cement producers will continue to warm the planet for decades, increasing the probability of future extreme weather events. Published in PLOS Climate, the research indicates that even if global greenhouse gas output ceased immediately, the atmosphere would retain enough carbon dioxide to keep Earth’s temperature approximately 1.5 degrees Celsius above preindustrial levels. Dargan Frierson, an associate professor of atmospheric and climate science at the University of Washington, emphasized that a stable future requires an end to fossil fuel burning. Researchers used the Finite Amplitude Impulse Response (FaIR) climate model to simulate global temperatures through the year 2500, isolating the influence of emissions generated by major producers through 2024. The study highlights a persistent accountability gap, showing that the warming attributable to these legacy emissions rem...

Carbon Impacts Tracer Tool Holds Fossil Fuel Projects Accountable for Environmental Damage

Carbon Impacts Tracer Tool Holds Fossil Fuel Projects Accountable for Environmental Damage

A new tool called the Carbon Impacts Tracer has been developed to estimate the environmental damage caused by individual fossil fuel projects. This tool allows for the quantification of a project's carbon dioxide emissions and their subsequent contribution to global warming. By linking emissions to temperature increases, the tracer can then estimate specific consequences such as melting glaciers, heat-related deaths, and coral reef damage. This development aims to provide a clearer understanding of the human and environmental costs associated with new fossil fuel initiatives, challenging the argument often made by companies and governments that individual projects have only a minimal impact on global emissions. The tool uses scientific research to calculate expected carbon dioxide production, estimate the resulting temperature increase, and then assess the damage caused by that additional warming. Currently, it can cover impacts related to unfamiliar levels of heat, heat-related deaths, crop loss, melting ...

New Carbon Impacts Tracer Tool Measures Damage from Individual Fossil Fuel Projects

New Carbon Impacts Tracer Tool Measures Damage from Individual Fossil Fuel Projects

A new open-source climate tool, the Carbon Impacts Tracer, has been developed to quantify the specific damage and warming caused by individual fossil fuel projects. This tool directly links emissions from a project to its impact across eight areas, including crop losses and heatwave deaths. Historically, fossil fuel companies and governments have used the 'drop in the ocean' defense, arguing that individual project emissions are too small to track their specific damage. However, advancements in attribution science now allow for precise measurement of these impacts. The International Court of Justice has also indicated that fossil fuel production and expansion may constitute an internationally wrongful act, recognizing the possibility of establishing a causal link between emissions and climate harms. The Carbon Impacts Tracer aims to provide robust causal links, enabling greater accountability for governments and fossil fuel companies.

Sociologist Holly Jean Buck Advocates for Equitable Clean Energy Transition and Democratic Planning

Sociologist Holly Jean Buck Advocates for Equitable Clean Energy Transition and Democratic Planning

Sociologist Holly Jean Buck emphasizes that building clean energy infrastructure alone is insufficient to achieve international climate goals. She argues that an equitable process for phasing out fossil fuels must accompany clean energy development. Buck proposes the creation of democratic planning mechanisms to establish timelines for decarbonization. Her vision includes transitioning the fossil fuel industry's infrastructure and personnel towards carbon removal efforts and fostering social buy-in for shifting energy sources. Additionally, Buck advocates for treating climate technologies, such as carbon removal, as public utilities managed by governments or regulatory bodies. Her work focuses on the social, ethical, and political dimensions of emerging climate and energy policies, aiming to ensure just and equitable implementation of climate solutions. She explores governance structures for various climate responses, from local natural resource management to global climate interventions like solar radiati...

Antarctic Ice Sheet Faces Significant Mass Loss by End of 21st Century, Study Reveals

Antarctic Ice Sheet Faces Significant Mass Loss by End of 21st Century, Study Reveals

A new study published in Nature Geoscience indicates that the Antarctic Ice Sheet is very likely to experience committed mass loss by the end of the twenty-first century. This research quantifies how individual physical assumptions in climate models contribute to projection uncertainty, using a machine-learning emulation framework. The study also incorporates Bayesian calibration against satellite observations to reduce projection bias. The findings suggest a high probability (≥0.92) of significant ice loss, primarily driven by ocean warming outside the ice-shelf cavity, leading to basal melt beneath ice shelves and subsequent thinning and grounding-line migration. The modeling chain considers various factors, including sliding laws, ice-shelf melt parameterization schemes, and ice-shelf collapse mechanisms, culminating in spatio-temporally variable relative sea-level rise projections.

The world's largest oat milk producer has joined an unusual climate journalism campaign

The world's largest oat milk producer has joined an unusual climate journalism campaign

The world’s largest producer of oat milk, Oatly, is pushing its customers and their governments to act on climate change, in a new milk carton campaign that's taking off in Europe and is expected in the United States within the next few months

Mindfulness Interventions Show Limited Impact on Pro-Environmental and Socially Equitable Behaviors in U.S. Study

Mindfulness Interventions Show Limited Impact on Pro-Environmental and Socially Equitable Behaviors in U.S. Study

A recent study conducted among university students in the U.S. investigated whether an eight-week online mindfulness intervention could influence pro-environmental behavior, distributive choices, and related policy preferences. The randomized controlled trial successfully increased participants' mindfulness, self-compassion, and connectedness to nature, while also reducing perceived stress. However, these psychological improvements did not translate into significant changes in incentivized pro-environmental behaviors, such as willingness to pay for CO2 certificates or choose environmentally friendly travel options. Similarly, the intervention showed no robust evidence of altering preferences for social equality, including income distribution or progressive taxation. The study utilized various measures, including behavioral tasks with real monetary consequences and policy preference surveys, to assess these outcomes. The findings suggest a complex relationship between mindfulness and socially relevant econo...

Animal By-Products Show Promise in Reducing Environmental Impact of Chicken Production

Animal By-Products Show Promise in Reducing Environmental Impact of Chicken Production

Research conducted by Queen’s University Belfast and LGC, and published in Poultry Science, indicates that processed animal proteins could significantly reduce the environmental impact of chicken production. The study, which reviewed 102 broiler feeding studies and utilized environmental modeling for selected ingredients in a UK production system, found that diets incorporating meat and bone meal performed better than other soy substitutes. Conversely, microalgae, despite its potential as a feed ingredient, was shown to increase greenhouse gas emissions and water usage in the researchers' model. This suggests a potential shift in feed formulations to enhance sustainability within the poultry industry.

AI Windfall Could Drive Plant-Based Food System Transformation to Address Climate and Animal Welfare Crises

AI Windfall Could Drive Plant-Based Food System Transformation to Address Climate and Animal Welfare Crises

A new initiative, the Beyond Cage-Free Open Letter, proposes that the 'AI Windfall' could be leveraged to transform the global food system towards plant-based alternatives. This shift is presented as a holistic approach to simultaneously address deepening animal and climate emergencies. The letter argues that current cage-free campaigns, while aiming for animal welfare improvements, often lead to increased environmental impacts, such as higher greenhouse gas emissions and land use, compared to fully caged systems. Instead, the focus should be on reducing the total number of farmed animals in the food system. The initiative highlights that plant-based food system change offers a win-win pathway to tackle animal exploitation, climate change, freshwater and land use, biodiversity loss, food security, and reduced pandemic risk. It cites a 2026 UK egg industry study which found that converting to organic free-range egg production would nearly double greenhouse gas emissions compared to caged systems.

2.2 Million Americans Lack Running Water Amidst Broader Water Scarcity Concerns

2.2 Million Americans Lack Running Water Amidst Broader Water Scarcity Concerns

Approximately 2.2 million Americans currently live without running water in their homes, highlighting a significant domestic water access issue. This situation is being addressed by human rights non-profits working to bridge this 'water gap.' The lack of running water for these individuals is contrasted with global statistics, where nearly a quarter of the world's population lacks drinking water on premises, and almost half lack safely managed sanitation. The broader context suggests that such domestic challenges are a precursor to future water shortages, which are anticipated due to climate change. The experience of water rationing, even for a short period, serves as a practical exercise for a future where climate chaos is expected to exacerbate water scarcity.

Study Links 122 Fossil Fuel Companies to Worsening Western U.S. Water Shortages

Study Links 122 Fossil Fuel Companies to Worsening Western U.S. Water Shortages

A new study published in the Nature magazine affiliate Communications Earth & Environment has identified 122 major oil, gas, coal, and cement companies as partially responsible for the worsening water shortages in the Western United States. The research, conducted by scientists from the University of California at Merced and the Union of Concerned Scientists, found that climate change from all greenhouse gas emissions over the past 70 years has led to a 36% decline in annual average mountain snowpacks, a primary source of surface water in Western states. Approximately 40% of this decline is directly linked to the climate pollution generated by these 122 companies. The study also indicates a 13% reduction in average annual streamflows from mountains and a 4.3% increase in the need for agricultural irrigation due to global warming from greenhouse gas emissions. About half of these streamflow declines and increased irrigation needs are attributed to the warming caused by the identified companies, resulting in...