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Colombia is utilizing the CCAC SNAP initiative and the LEAP-IBC tool to identify priority emitting sectors and integrate short-lived climate pollutant (SLCP) mitigation into its national air quality and climate change policies. The process involves quantifying emission scenarios to inform legal frameworks and funding, with specific focus on agriculture (rice paddies, sugar cane, manure management), transport, brick kilns, and cookstoves. To date, 60 regional climate change plans have been reviewed to identify implementation opportunities, and 15 of the 100 measures in Colombia's INDC resulted from SNAP Phase I.

Ghana is utilizing the SNAP initiative to develop a national plan for mitigating short-lived climate pollutants (SLCPs), integrating these efforts into its National Determined Contributions (NDCs) and the Ghana Shared Growth and Development Agenda. The Ghana EPA is employing the LEAP-IBC model to calculate emissions and benefits across both energy and non-energy sectors. Key sectoral actions include the potential implementation of Euro-benchmarked emission standards for transport, the distribution of 200,000 solar lanterns to replace kerosene, and a Green Cooling Programme to replace high-GWP HFC air conditioners. To support these goals, the Ministry of Finance has established a climate change unit as the National Designated Authority for the Green Climate Fund.

Mexico has utilized the CCAC SNAP initiative to develop a strategic national plan for reducing short-lived climate pollutants (SLCPs), specifically black carbon and methane. By leveraging tools like LEAP-IBC and coordinating through the National Institute of Ecology and Climate Change (INECC), Mexico integrated SLCP targets into its 2015 Intended Nationally Determined Contribution (INDC), aiming for a 51% reduction in black carbon by 2030. Key sectoral actions include mandating EURO VI technology for new buses in Mexico City by 2018 and implementing clean cookstove and waste management projects in coastal wetland communities.

Nigeria is implementing the SNAP initiative by establishing a coordination office within the Federal Ministry of Environment to identify emission sources and develop a national action plan. The process involves integrating the LEAP-IBC tool to model the impacts of emission scenarios on health, climate, and crop yields. Priority sectors for mitigation include cookstoves, agriculture, transport, brick kilns, and the oil and gas industry, with a focus on improving regulation, enforcement, and legislative frameworks to align with Nigeria's Intended Nationally Determined Contributions (INDCs).

Peru is utilizing the SNAP toolkit to address outdoor air pollution, which causes approximately 9,373 premature deaths annually. The country has established a dedicated SLCP Unit within the Ministry of Environment and is forming inter-ministerial and technical committees to develop a national emission inventory and cost-benefit analyses for mitigation. Current priority actions target diesel vehicles, cookstoves, brick production, and solid waste, with a transition toward EURO V vehicle emission standards between 2010 and 2021. Notable achievements include the installation of 235,263 certified clean cookstoves by June 2012 and the adoption of 145 new technologies in artisanal brick production since 2012.

The Stockholm Environment Institute (SEI) is an international non-profit research organization that integrates scientific research with policy analysis to promote sustainability. Operating through eight global centers, SEI focuses on climate change, water, air, and land use, while incorporating perspectives on governance, economics, gender, and human health. Its regional centers provide specialized expertise in areas such as sustainable urbanization in Africa, climate adaptation in Asia, and environmental governance in the Baltic region and European Union.

Decision 7 of the XVI Forum of Ministers of the Environment of Latin America and the Caribbean establishes a regional network of authorities to address atmospheric pollution between 2008 and 2009, focusing on technical exchanges, capacity development, and the reduction of pollutants, particularly from transport.

SEI Asia employs a multi-channel strategic communication approach to bridge the gap between science and policy. By utilizing diverse tools—including podcasts, documentary films, online courses, and media grants—the organization aims to make complex scientific findings accessible to policymakers, media, and marginalized communities. Their efforts focus on fostering inclusive dialogue and enhancing the capacity of early-career journalists to report on environmental issues such as climate change and water insecurity.

Côte d’Ivoire is utilizing the SNAP initiative to identify and mitigate short-lived climate pollutants (SLCPs) to improve public health, agriculture, and climate. Priority areas for action include the transportation sector, waste management, industrial processes, oil refineries, and the use of traditional cookstoves. The country is employing the LEAP-IBC tool for emission inventories and planning, with the goal of informing its air quality strategy and the implementation of the Paris Agreement.

The document examines how climate change, specifically increasing temperatures, creates a 'climate penalty' that elevates ground-level ozone levels despite efforts to reduce precursor emissions. Using the BenMAP model, it estimates the health incidences and economic costs associated with ozone increases of 1 ppb, 2 ppb, and 7 ppb for the years 2020 and 2050 across various U.S. states.

The document details the relationship between rising global temperatures and the formation of ground-level ozone, which is created when nitrogen oxides and volatile organic compounds react with heat and sunlight. It highlights that without strong climate policies, respiratory issues such as asthma attacks could increase by 11.8 million annual incidences by 2050. The text emphasizes the disproportionate impact on children, the elderly, and Latino populations in the U.S., noting that nearly half of the U.S. population lives in areas with unhealthy ozone levels.

The report examines the potential for reducing global warming emissions and fuel consumption in California's heavy-duty truck fleet through the adoption of commercially available aerodynamic and tire technologies. It finds that retrofitting and purchasing efficient trucks can lead to significant diesel savings and CO2eq reductions, with some long-range trucks potentially saving over $30,000 over their lifetime. The document identifies market barriers—such as split ownership and a lack of standardized fuel-economy testing—and recommends that California establish in-use and new-truck global warming pollution standards to accelerate adoption.

The document advocates for the widespread adoption of aerodynamic devices and high-performance tires for heavy-duty trucks to lower fuel consumption and emissions. It highlights that these retrofits can save a typical long-range truck 2,000 gallons of diesel annually and could reduce California's global warming pollution emissions by 17 million metric tons of CO2eq by 2020. The text identifies market barriers such as split ownership and lack of standardized testing, proposing that California lawmakers implement performance-based standards and retrofit requirements to meet climate and air quality goals.

The San Joaquin Valley faces severe air quality issues, with Bakersfield and Merced identified as the most ozone-polluted cities in the US in 2003. The region failed to meet federal health standards for fine particulate matter by 2004, with agriculture and heavy transport identified as primary emission sources.

The document details how a warming climate will increase the frequency and severity of heat waves and heavy precipitation in the Midwest, leading to higher mortality, infrastructure damage, and agricultural losses. It highlights specific risks to the Great Lakes shipping industry due to falling water levels and the threat to public health from water-borne diseases and combined sewer overflows in cities like Chicago and Milwaukee.

The Southwest is projected to warm by 4-6°F under lower-emissions and 7-10°F under higher-emissions scenarios by the end of the century. The region faces severe water scarcity, expanding deserts, and reduced runoff, particularly in the Colorado River system. Public health risks include increased heat-related deaths in Los Angeles and worsening air quality. Economic threats include reduced yields for California specialty crops, diminished ski resort profitability due to snowpack loss, and reduced aircraft freight capacity at high-altitude airports like Phoenix and Denver. Biodiversity is critically threatened, especially in the Madrean Pine-Oak Woodlands, while mountain ecosystems face range reductions and reproductive failures in wildflowers due to earlier snowmelt and spring frosts.

The document outlines a methodology for calculating urban indicators using open-source geospatial data and zonal statistics, enabling cities to benchmark their performance against global goals like the Sustainable Development Goals.

Climate change increases human health risks in the U.S. through more intense heat waves, prolonged wildfire seasons, and severe flooding that compromises water quality. Specific examples include the increased likelihood of drought conditions similar to those seen in Texas in 2011 and the lengthening of allergy seasons.

The document outlines the financial challenges and opportunities associated with transitioning to electric and hybrid-electric bus fleets, emphasizing that while initial capital costs are higher than internal combustion engine buses, the total cost of ownership can be competitive due to lower energy and maintenance expenses. It highlights evolving procurement models, such as leasing and the involvement of non-traditional stakeholders like utility companies, as well as the role of government grants, tax incentives, and concessional debt in reducing financial burdens.

The World Resources Institute (WRI) challenges the Edison Electric Institute's (EEI) claim that the U.S. Environmental Protection Agency (EPA) is imposing an unworkable 'onslaught' of new requirements on power plants. WRI asserts that the EEI timeline is misleading because it conflates procedural events, existing obligations, and state-level standards with new compliance requirements. WRI argues that the EPA is pursuing a realistic timeline to bring the industry into compliance with the Clean Air Act and other statutes, providing a necessary pathway for investments in a cleaner electric generation fleet.