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The document outlines a diverse landscape of climate financing for cities, categorised into local internal revenues, external third-party sources, and international funds. Local options include property and land taxes, user fees, development charges, and Tax Increment Financing (TIF), as well as 'intracting' for energy retrofits. External sources feature Energy Performance Contracting (EPC), green bonds, and crowdfunding. International support is available through climate funds like the Green Climate Fund (GCF) and Global Environment Facility (GEF), Multilateral Development Banks (MDBs), and philanthropic organisations, though the authors note that most international funds require cooperation with national governments due to strict fiduciary and creditworthiness standards. The guide emphasizes that while international funds are necessary for large-scale projects, local sources foster greater municipal autonomy and sustainability.

Georgia has emerged as a leading U.S. market for electric vehicles, driven by state tax credits for vehicles and charging infrastructure. In 2014, EV drivers in Georgia saved an average of over $850 in fuel costs, contributing to a total state saving of $10 million and a reduction of over 22,000 tons of climate change emissions. The document highlights that EVs offer lower maintenance costs and lower global warming emissions than conventional vehicles, with benefits increasing as Georgia's electricity grid incorporates more renewable energy. To sustain growth, the report emphasizes the need for ongoing policy support, consumer education, and public-private partnerships.

The Measuring Up 2015 report analyzes climate action across 116 US local governments, representing approximately 14% of the US population. It finds that achieving these cities' 2050 emissions goals would be equivalent to shutting down 86 coal-fired power plants. The report highlights the success of cities like Atlanta, Cincinnati, Minneapolis, and Portland, noting that strong government leadership, supportive state policies, and private sector partnerships are critical for success. It argues that while local actions are significant, they require an enabling national policy framework, including strong power plant regulations and carbon pricing, to reach their full potential.

The document outlines the environmental and economic achievements of Ray C. Anderson at Interface, Inc., following his 1994 epiphany to reconcile industrial production with ecological stewardship. Between 1994 and 2010, Anderson led the company to divert over 100,000 tons of carpet from landfills, transition eight of nine plants to renewable electricity, and significantly reduce energy intensity, waste, water use, and greenhouse gas emissions, while saving $438 million in waste costs. These efforts were part of 'Mission Zero,' a 2020 goal to eliminate waste and harm while maintaining business success.

The Southeast United States faces significant challenges in balancing water and energy needs due to population growth and frequent droughts. Thermoelectric power plants are the region's largest freshwater consumers, while water heating and treatment are major energy drivers. The document advocates for integrated policy priorities, including the adoption of water-efficient energy technologies, energy-efficient public buildings, and financial incentives for high-performance products like ENERGY STAR and WaterSense labels.

Buildings account for 40% of total annual U.S. energy consumption and 48% of U.S. greenhouse gas emissions. The U.S. federal government operates over 500,000 buildings, which used 1.7 quads of energy in 2004, though the Federal Energy Management Program predicts a funding shortfall of over $2 billion for energy-efficiency projects. The document also highlights several high-performance buildings in the U.S. and Europe that achieved significant energy and water savings through sustainable technologies.

The Clean Air Task Force argues that the EPA's proposed particulate matter (PM2.5) standards fail to provide an adequate margin of safety, potentially resulting in 10,000 more avoidable deaths per year than a more stringent 12 ug/m3 annual standard. The testimony asserts that protective standards are achievable through affordable technologies, specifically targeting sulfur dioxide (SO2) from power plants and carbon emissions from diesel fleets. It criticizes the Clean Air Interstate Rule (CAIR) for providing reductions that are "too little, too late" and for creating regulatory barriers that discourage states from pursuing additional cost-effective power plant reductions. The document advocates for a national SO2 cap of 2 million tons per year and the full funding of the Diesel Emission Reduction Act of 2005 to facilitate the retrofit of existing diesel engines.

The document reports that engine crankcase emissions are the primary source of PM2.5 mass in conventional school bus cabins, while the tailpipe is the main source of ultrafine particles, black carbon, and particulate polycyclic aromatic hydrocarbons. Research across four US cities indicates that while diesel particulate filters (DPFs) and ultra-low sulfur diesel (ULSD) reduce ultrafines and black carbon to ambient levels, they do not significantly reduce PM2.5. The installation of a closed-crankcase filtration device, specifically the Donaldson Spiracle™, was found to be critical and necessary to reduce cabin PM2.5 levels to near ambient levels across all tested bus and fuel combinations.

The Clean Air Task Force (CATF) advocates for the Diesel Emissions Reduction Act of 2005 (DERA), a proposed $1 billion federal grant and loan program to reduce diesel fine particle (PM2.5) emissions. CATF highlights that diesel exhaust causes 21,000 premature deaths annually and that existing engines will remain in service for decades, necessitating funding for retrofits, rebuilds, and repowerings to meet air quality standards and provide immediate climate benefits by reducing black carbon.

The study identifies two primary sources of in-cabin pollution in conventional school buses: the tailpipe and the engine crankcase. It finds that while diesel particulate filters (DPF) combined with ultra-low sulfur diesel (ULSD) eliminate ultrafine particles, black carbon, and PAH, they do not reduce fine particulate matter (PM2.5) because that pollutant originates from the crankcase. The most effective solution for comprehensive elimination of all measured particles is the combination of a DPF, ULSD, and a Donaldson Spiracle closed-crankcase filtration device.

The document consists of several appendices. Appendix A lists Class I areas not evaluated by the EPA. Appendix B compares SO2 and NOx reductions under CAIR versus the Best Available Retrofit Technology (BART) standard. Appendix C is a detailed scientific critique of the ARIES study, arguing that utility industry claims using ARIES to downplay the health risks of sulfates are not supported by the study's actual data or broader medical literature. Appendix D lists counties remaining in nonattainment for PM2.5 and ozone. Appendix E contains a statement from the Institute of Clean Air Companies on the achievability of NOx and SO2 limits. Appendices F through L provide detailed modeling data, cost summaries, and emission projections for various policy scenarios (CATF11, 18, 19, 21, 22, 23).

The report details how African Americans are disproportionately exposed to power plant emissions due to residential concentration in urban centers and proximity to facilities. It links these emissions to higher rates of asthma, infant mortality, and mercury exposure, while highlighting the compounding effects of poverty and lack of healthcare. The authors advocate for new legislation to reduce sulfur dioxide, nitrogen oxides, mercury, and carbon dioxide, and specifically call for the elimination of the 'grandfather' exemption in the Clean Air Act's New Source Review program.

The letter argues that large language models (LLMs) increase carbon emissions through high energy demands and accelerate the spread of climate disinformation. It calls for mandatory reporting on energy use, emissions, and critical mineral consumption, as well as safeguards against AI-generated disinformation.

The document argues that integrating public health and equity into climate policy can broaden political support and save lives, estimating that low-carbon policies could avoid 1 million American deaths annually. It proposes a roadmap of legislative and agency actions, including banning natural gas expansion, transitioning to regenerative agriculture, and electrifying public transit, to align the U.S. with the Paris Agreement's 1.5C target. The brief emphasizes that health co-benefits could offset 10% to 41% of U.S. mitigation costs.

The toolkit addresses 'green gentrification,' where green infrastructure investments increase property values and spur real estate speculation, leading to the displacement of vulnerable populations. It proposes a multi-layered approach combining tenant protections, land-use regulations, funding alignment, economic opportunity enhancement, community ownership, and inclusive design to ensure that the benefits of urban greening are shared equitably without harming existing residents.

The research paper examines how urban forests influence air quality and public health. It highlights that trees improve air quality by directly removing gaseous pollutants and particulate matter, and indirectly by reducing urban heat island effects and building energy demand. However, it notes that trees can also emit volatile organic compounds (VOCs) and pollen, and may trap pollutants near emission sources like roadways if not designed correctly. The paper concludes that while the overall effect is positive, local forest design is critical to maximize health benefits.

The report argues that corporate housing investment, particularly by private equity firms seeking high returns on short timelines, leads to rent increases, maintenance neglect, and instability for tenants. It proposes a toolkit of regulatory measures: landlord registries to uncover beneficial ownership behind shell LLCs, licensing systems to potentially cap the number of properties owned by a single entity, and proactive inspections to ensure habitability before occupancy. The document highlights Minneapolis's use of licensing to force corporate landlord Progress Residential to adopt strict tenant safety and maintenance conditions, and Toronto's use of a registration and grading system for rental properties.

The report argues that state preemption—where state law supersedes local ordinances—is frequently used to block municipal efforts to regulate corporate landlords, particularly private equity firms. It highlights that while 'home-rule' states offer more local autonomy than 'Dillon's rule' states, state governments can still override local housing policies. Using examples from California, Florida, and Illinois, the document demonstrates how preemption limits rent control, eviction protections, and inclusionary zoning, often influenced by corporate lobbying. The authors conclude that housing advocates must focus on state-level legislative changes and coalition building to abrogate these preemptions.

The Joint Benefits Authority (JBA) is a proposed governance and finance model based on the Joint Powers Authority (JPA) structure. It aims to overcome the challenges of siloed city departments and tight budgets by pooling resources and using advanced capital planning to deliver multi-purpose, nature-based infrastructure. The JBA focuses on capturing co-benefits, pioneering creative municipal financing, and advancing social equity by prioritizing underserved neighborhoods. The concept is currently being piloted in San Francisco through a partnership between the World Resources Institute, Encourage Capital, the Liquid Assets Project, and the San Francisco Public Utility Commission, with funding from the Kresge Foundation, Spring Point Partners, and the Moore Foundation.