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The document details the costs and benefits of transitioning Delaware to clean transportation technologies, including vehicle electrification, fuel efficiency, and low-carbon fuels. It projects that a total investment of $18 billion by 2050 will generate a cumulative net benefit of $6.6 billion, primarily driven by fuel savings and avoided environmental costs, while significantly reducing carbon dioxide emissions.

The document details the costs and benefits of transitioning to clean transportation in Maryland, projecting a cumulative net benefit of nearly $40 billion by 2050 through fuel efficiency, electrification, and low-carbon fuels.

The document details the financial and environmental impacts of transitioning to clean transportation in Maine. It estimates that a total investment of nearly $27 billion by 2050 would yield nearly $37 billion in returns, resulting in a net benefit of over $9 billion. Key benefits include significant fuel savings, reduced carbon dioxide emissions, and improved local air quality.

The document details the costs and benefits of transitioning New Hampshire's transportation sector to clean technologies by 2050. It projects a cumulative net benefit of approximately $8.6 billion, driven primarily by fuel savings, while estimating a total investment of nearly $22 billion, with electricity generation and storage being the largest cost. Environmentally, the transition is expected to avoid over 63 million metric tons of carbon dioxide and reduce fossil fuel use by more than 6.5 billion gallons by 2050.

The document details the costs and benefits of three technology pathways—fuel efficiency, electrification, and low-carbon fuels—for New Jersey. It projects that by 2050, a total investment of nearly $122 billion will generate over $171 billion in returns, resulting in a cumulative net benefit of almost $50 billion. These transitions are expected to reduce carbon dioxide emissions by 353.6 million metric tons and save nearly 37 billion gallons of fossil-based liquid fuels by 2050.

The Union of Concerned Scientists reports that investing in fuel efficiency, vehicle electrification, and low-carbon fuels in Pennsylvania would result in a cumulative net benefit of over $60 billion by 2050. The analysis indicates that while electricity generation and storage represent the largest investment cost, these are offset by significant fuel savings and avoided environmental and health costs. By 2050, these measures would avoid 515.4 million metric tons of carbon dioxide and reduce fossil-based liquid fuel use by 52.5 billion gallons.

The document details the economic and environmental impact of transitioning to clean transportation in Rhode Island. It estimates that a total investment of nearly $14 billion by 2050 will yield nearly $19 billion in returns, resulting in a cumulative net benefit of over $5 billion. Key drivers of this transition include vehicle electrification, improved fuel efficiency, and low-carbon fuels, which together are projected to avoid 38.7 million metric tons of CO2 and reduce fossil-based liquid fuel use by 4 billion gallons by 2050.

The document details the costs and benefits of transitioning to clean transportation in Virginia by 2050. It estimates that a total investment of $142.5 billion in electrification, fuel efficiency, and low-carbon fuels will generate a cumulative net benefit of nearly $57 billion, primarily driven by fuel savings and avoided environmental costs, while reducing CO2 emissions by 412.1 million metric tons.

The document details the economic and environmental impact of transitioning to clean transportation in Vermont. It estimates that a total investment of $13.4 billion by 2050 will result in a cumulative net benefit of $4.5 billion, driven primarily by fuel savings and avoided environmental costs, while significantly reducing carbon dioxide emissions.

The review concludes that the Eskom report significantly underestimates the health impacts and economic benefits of pollution abatement due to flawed modelling, incorrect response function selection, and an inappropriately high discount rate. The reviewers estimate that the benefits of action would exceed costs by a factor of 5 or more, which would reverse the original conclusions of the Eskom CBA.

The report examines how autonomous vehicles (AVs) could affect the Washington, DC, metro region by 2040, finding that while pooled AVs and transit investments increase job access, AVs generally increase total driving and disproportionately increase congestion in low-income neighborhoods and communities of color.

The European Court of Human Rights ruled in Cordella and Others v. Italy that the Italian government violated the rights of residents in Taranto by failing to address toxic emissions from the Ilva steel plant and failing to provide an effective legal remedy for environmental decontamination.

The document argues that climate change is the greatest health threat of the 21st century, citing specific impacts on Canadians such as respiratory issues from wildfires, heat-related deaths in Quebec, and food insecurity in the Canadian Arctic. It calls for federal action to reduce greenhouse gas emissions, phase out coal and fossil fuel subsidies, and invest in public health resilience and a just transition for workers.

The Canadian Association of Physicians for the Environment and other health professionals argue that climate change is the greatest health threat of the 21st century, citing immediate impacts in Canada such as wildfires, heat-related deaths, and food insecurity in the Arctic. They urge federal parties to adopt targets to keep warming below 1.5°C, phase out coal by 2030, and reduce emissions from the oil, gas, and transport sectors, noting that such policies would yield significant health co-benefits and reduce healthcare costs.

The report details how plastic pollution constitutes a global public health crisis, affecting humans at every stage of the plastic life cycle. It examines the toxic emissions from fracking and petrochemical refining, the leaching of endocrine disruptors from packaging, and the health risks associated with microplastics and incineration. The document emphasizes that current fragmented regulatory approaches are insufficient and calls for a global reduction in plastic production to protect human rights and health.

The Union of Concerned Scientists finds that PM2.5 pollution from cars, trucks, and buses in California is inequitably distributed, with African American, Latino, and Asian residents, as well as low-income households, facing significantly higher exposure than white and wealthier residents. The analysis identifies Southern California, particularly Los Angeles County, as having the highest average exposure, and estimates that on-road transportation leads to approximately 3,100 premature deaths annually in the state.

The Union of Concerned Scientists reports that the Trump administration systematically attacked scientific integrity through censorship, the dismissal of advisory panels, and the suppression of research. The document details specific harms in air pollution policy and climate change communication, while providing a roadmap for the 116th Congress to implement legislative and oversight checks to restore science-based policymaking.

The Union of Concerned Scientists and Fehr & Peers modeled the impact of automated vehicles (AVs) on the Washington, DC, region for 2040. The findings indicate that while AVs could increase job access if deployed as pooled shared services, they risk significantly increasing total driving and congestion. The report highlights that low-income neighborhoods and communities of color would face disproportionately higher levels of congested driving across all scenarios. To mitigate these risks and prevent increased global warming emissions, the authors recommend prioritizing pooled rides, investing in mass transit modernization, and ensuring a rapid transition to electric vehicles.

The report analyzes the potential impacts of automated vehicles (AVs) on the Washington, DC, metro area, arguing that the best outcomes for equity and environment occur when AVs are electric, pooled, and integrated with robust mass transit. Without such policies, AVs could increase vehicle miles traveled (VMT) by up to 66%, exacerbate congestion in low-income neighborhoods, and undermine public transit.

The report finds that Black, Latino, and low-income communities in California are exposed to significantly higher levels of PM2.5 air pollution from vehicles compared to white and high-income populations.