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The Clean Air Task Force (CATF) criticizes the EPA's Affordable Clean Energy (ACE) rule, characterizing it as a "life-extension program for coal plants" that replaces the Clean Power Plan. CATF asserts that the ACE rule will increase carbon emissions and cause over 1,600 annual deaths by 2030 compared to the Clean Power Plan, while benefiting the coal industry at the expense of public health and the environment. Consequently, CATF intends to legally challenge the rule.

The paper argues that current wholesale electricity markets, designed for large fuel-burning plants with high production costs, are ill-equipped for a future dominated by wind, solar, and storage, which have near-zero production costs and different operational characteristics. It identifies a disconnect between federal wholesale rates and state retail rates as a barrier to demand-side flexibility. The authors propose ten principles for modern markets—including technology neutrality, grid reliability, and long-run efficiency—and outline two emerging pathways for reform: a "Robust Spot Market" approach focusing on decentralized bilateral contracting, and a "Long-Term Plus Short-Term Markets" approach utilizing a centralized forward market.

The IAI Executive Directorate reports on its five-year communication plan to better integrate scientific data into policy. Key achievements include a MOOC reaching 10,000 participants, a significant increase in social media engagement, and collaborations with UN agencies (UNOSSC, UNFCCC) on publications regarding urban climate management and coastal loss and damage. The IAI also produced eight synthesis reports on regional environmental issues and held high-level events at COP-24 and the AGU Centennial.

The document argues that consolidated interim storage of high-level radioactive waste is a risky and counterproductive plan that creates unnecessary transportation and security hazards. It highlights two specific license applications—one by Waste Control Specialists in Texas and another by Holtec International in New Mexico—and asserts that these projects face significant legal, technical, and community opposition. The authors claim that such facilities would not accelerate the move to permanent repositories and could instead become de facto permanent sites, while posing severe risks of radiation exposure and economic disaster in the event of a transport accident.

Jay Duffy of the Clean Air Task Force testifies that the EPA's proposed increase of the CO2 emission rate for new coal plants to 1,900-2,200 lbs. CO2/MWh-g is unsupported by technology and science. He argues that carbon capture and sequestration (CCS) is more cost-effective and available than in 2015, citing projects like Petra Nova and Boundary Dam and the expanded 45Q tax credit. Duffy claims the proposed weaker standards would allow a single 600 MW plant to emit 1.1 million additional tons of CO2 and 500 additional tons of SO2 annually, offsetting gains from other EPA proposals.

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.

Dan Lashof, Director of WRI US, responds to the introduction of the Green New Deal resolution by Rep. Alexandra Ocasio-Cortez and Sen. Ed Markey, stating that the proposal has revitalized the urgent conversation on climate action in the U.S. and highlights the necessity of linking ambitious climate goals with job creation and the reduction of economic inequality.

The report argues that wealth and wellbeing depend on natural capital—the stock of renewable and non-renewable resources that provide essential ecosystem services. It highlights that natural capital can account for 30% to 50% of national wealth in various countries, yet traditional GDP measures fail to capture this value. The document outlines how governments can generate societal returns (e.g., poverty reduction and public health), economic returns (e.g., business resilience and green infrastructure), and environmental returns (e.g., ecological resilience). To scale these benefits, the report proposes twelve specific levers for government action, ranging from implementing UN-SEEA accounting frameworks and creating public-private partnerships to mainstreaming natural capital into macro indicators and implementing mandatory non-financial disclosures.

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.

Climate Central's analysis of U.S. weather data from 1970 to 2018 reveals a broad warming trend, with 91% of assessed stations seeing winter temperatures rise by at least 1°F. This warming threatens the winter sports economy, which supported over 191,000 jobs and contributed $11.3 billion to the national economy in the 2015-16 season. The report highlights a decline in below-freezing days and divergent snowfall trends, with significant decreases in the Western U.S. and increases in the Great Lakes region. Future projections suggest that unchecked emissions could rob states like Colorado of more than a month of below-freezing days by midcentury.

The document analyzes the evolution of bicycle-sharing schemes (BSS) across four technological generations, moving from simple free-bike models to sophisticated dockless and electric systems. It provides a comprehensive guide for city officials on planning, regulatory frameworks, financing, and safety, emphasizing the need for proactive governance to manage the risks and opportunities of the 'fourth generation' of bike sharing.

The EESI Brand and Style Guidelines provide technical specifications for the organization's visual identity to ensure consistency across platforms. It defines the primary and secondary brand colors, approved typefaces (Proxima Nova and Gotham), and specific rules for the application and modification of the EESI logo.

The document argues that Nature-based Solutions (NBS) can reduce disaster risk and provide lower-cost, resilient services when integrated with conventional gray infrastructure. It details specific NBS applications for coastal, urban, and river flooding, provides a framework for implementation, and outlines policy and financing mechanisms to scale these approaches.

The Institute for Policy Integrity critiques proposed PJM capacity market reforms, specifically the expansion of the Minimum Offer Price Rule (MOPR), arguing that penalizing resources receiving state payments for avoided emissions would reduce market efficiency and potentially increase costs for consumers.

The report finds that while global warming is generally ranked lower than immediate issues like terrorism and healthcare, its importance as a voting priority varies significantly by political affiliation and geography. Liberal Democrats rank it as the fourth most important issue, whereas conservative Republicans rank it as the least important of 28 issues. Regional differences are evident, with high priority in states like New York and Hawaii, and lower priority in states like Alabama and West Virginia. However, the broader issue of environmental protection is a higher priority for about half of registered voters.

Trip Van Noppen announces that Abigail Dillen, formerly vice president of litigation for climate and energy, will become president of Earthjustice on October 1. Van Noppen highlights the organization's growth to over 120 litigators and its success in challenging the Trump administration's environmental policies, including wins on pesticide bans and smog standards. He also notes the expansion of the organization's international program, the opening of a Chicago office to serve the Midwest, and the election of Fern Shepard as chair of the board of trustees.

Heavy-duty vehicles, while comprising only 5% of US road vehicles, contribute over 25% of vehicle-based global warming emissions and significant air pollution. The document advocates for the adoption of battery- and fuel cell-electric trucks and buses to eliminate tailpipe emissions and improve public health, particularly in low-income communities and communities of color. It highlights that battery-electric buses are currently the lowest-carbon option across the US and calls for government policies, including adoption targets and manufacturer standards, to accelerate this transition.

The Independent Evaluation Unit (IEU) reported progress on its 2018 work plan between January and May 2018, focusing on institutional strengthening, the development of a GCF evaluation policy, and the initiation of several key evaluations. The IEU is developing an evaluation policy through extensive stakeholder consultations and a reference group of international agencies. Key technical activities include the creation of evidence maps for forestry, adaptation, and transformational change, as well as a study on the evaluability of the GCF portfolio. The unit is also conducting a readiness evaluation and reviewing the GCF results management framework. To support these goals, the IEU has established partnerships with organizations such as the FAO and the Global Development Network and has launched a new website and newsletter to communicate standards and findings. As of April 30, 2018, the IEU had utilized 22% of its approved annual budget of USD 2,953,867.

The report argues that targeting rental properties for energy efficiency is a high-impact strategy for cities to meet climate goals, as rentals often suffer from a 'split incentive' where owners do not pay utility bills. Using Boulder's 'SmartRegs' program as a model, the document outlines a seven-step roadmap for other cities: determining fit, analyzing impact, consulting stakeholders, developing financing, implementing measurement tools, establishing compliance, and creating disclosure frameworks. RMI's analysis of five US cities suggests that MESR policies could significantly reduce carbon emissions at a relatively low cost to municipal governments.