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The workshop, conducted by the Stockholm Environment Institute and partners, focused on the 2006 IPCC Guidelines for GHG inventories and the EMEP/EEA guidebook for short-lived climate pollutants (SLCP). Participants were trained in using IPCC software (version 2.691) and Excel worksheets to estimate emissions from waste sources, including solid waste disposal and open burning. The training emphasized the requirements of the Paris Agreement's Enhanced Transparency Framework, specifically the submission of Biennial Transparency Reports (BTR) by December 31, 2024.

The workshop, supported by the Government of Canada, UNEP, and SEI, focused on the waste sector's role in achieving NDCs in Côte d’Ivoire and Senegal. Key activities included the development of national biogas and compost strategies and training on MRV systems to ensure transparency in GHG emission reductions. The event also featured experience sharing from Burkina Faso, Madagascar, and the ECOWAS Commission, emphasizing the need for private sector involvement, circular economy models, and regional harmonization of climate policies.

The Climate Solutions Partnership (CSP) report details the results of a five-year philanthropic commitment to scale climate innovation and nature-based solutions. Key achievements include unlocking US$635.4 million in finance, avoiding 7.81 million tonnes of GHG emissions, and managing 13 million hectares for biodiversity. The program implemented diverse projects, such as renewable energy aggregation for SMEs in China, solar-powered dairy cooling in India, and the development of environmental compensation laws in Mexico and El Salvador. It also focused on supply chain transparency in the palm oil sector and the creation of financial toolkits to combat environmental crimes.

The proposal seeks USD 399,226 over 24 months to establish a web-based Decision Support System (DSS) to improve climate risk assessment and investment monitoring in Myanmar's Agriculture, Forest and Other Land Use (AFOLU) sector. Using the Chindwin River Basin as a pilot, the project aims to strengthen coordination between national and sub-national authorities, develop streamlined climate indicators, and create a project pipeline for full-scale GCF funding. The initiative is implemented by the FAO in collaboration with the Environment Conservation Division (ECD) of the Ministry of Natural Resources, Environment and Conservation (MONREC).

The Clean Air Task Force (CATF) estimates that two EPA rollback proposals from 2018 and 2019 would increase 2025 emissions by 4.3 million metric tons of methane, 1 million metric tons of VOCs, and 38,000 metric tons of HAPs. The 2018 proposal focuses on reducing the frequency of leak detection and repair (LDAR) surveys, while the 2019 proposal seeks to remove regulations for the natural gas transmission and storage segment and eliminate methane standards for the entire sector, which would remove the EPA's obligation to regulate existing facilities. CATF's estimates are significantly higher than the EPA's because CATF accounts for emissions from existing sources and abnormal process conditions, both of which the EPA excludes. The near-term climate impact of the additional methane is compared to the carbon dioxide emissions of approximately 100 coal-fired power plants.

The IAI Directorate Science-Policy has worked to bridge the gap between scientific research and public policy in the Americas. Key activities include drafting Rules of Procedure for the Science-Policy Advisory Committee (SPAC), establishing cooperation with multilateral environmental agreements, and developing a project for decarbonization and climate resilient governance in South American megacities. The report highlights the impacts of the third Collaborative Research Network (CRN3), where projects have influenced national inventories for GHG emissions in Brazil, changed mining policies in Ecuador, and informed water management reforms in Mexico. The Directorate is seeking to formalize mechanisms for Parties to present scientific results to decision-makers and identify priority research needs for global change policy.

The report details two workshops held in 2018 focused on South-South and triangular cooperation for climate action. It highlights case studies of technological exchange in agriculture, water management, and urban resilience, while identifying systemic barriers such as funding gaps and a lack of institutional capacity at the subnational level.

The We Mean Business Coalition argues that vague NDCs hinder the ability of the private sector to invest in a clean energy economy. The coalition calls for the standardization of data—including base years, target years, and IPCC methodologies—and requests clarity on the domestic legislation and financial measures intended to implement these targets to ensure a just transition and a predictable regulatory environment.

The meeting, held on 2-3 April 2018, brought together policy makers, scientists, and international organizations to establish a co-designed research program for megacities in the South. The initiative aims to provide scientific guidance for adaptation and mitigation actions, specifically targeting decarbonization in transport, housing, and waste management, as well as addressing climate-related health risks and extreme weather events. The participants outlined a seven-component research plan emphasizing governance, social dimensions of adaptation, and capacity building to support the implementation of the Paris Agreement and Sustainable Development Goals in Buenos Aires, Santiago, and Sao Paulo.

The document outlines strategies for leveraging local knowledge to enhance climate resilience, emphasizing the need for tailored training for government staff and community engagement to fill information gaps. It advocates for a hybrid approach where local expertise is complemented by scientific data to create a robust foundation for planning. Case studies from various developing countries illustrate how this process can lead to improved flood risk mapping, the adoption of renewable energy, and the creation of greenhouse gas inventories.

The paper analyzes the technical challenges of accounting for internationally transferred mitigation outcomes (ITMOs) given the diversity of nationally determined contributions (NDCs). It focuses on four primary areas: the definition and scope of ITMOs, methods to avoid double counting through corresponding adjustments, the accounting of mitigation outcomes' vintage relative to target time frames, and the governance of tracking systems. The authors recommend an emissions-based approach to corresponding adjustments and the adoption of common multi-year target periods to prevent increases in aggregated global greenhouse gas emissions.

A group of environmental scientists warns that proposed EU forest accounting rules, which would allow policy-driven increases in harvesting to be included in the baseline, could hide up to 400 MtCO2/yr of emissions. They argue that any reduction in the forest sink is effectively a net increase in emissions and that failing to account for this would undermine the credibility of EU bioenergy accounting, contradict the Paris Agreement, and compromise the EU's alignment with IPCC 2°C trajectories.

The Urban-LEDS project helped Bogor City develop a low-carbon plan by applying the GreenClimateCities2 framework and creating a greenhouse gas emissions inventory. This process enabled the city to identify specific projects like pedestrianisation and streetlight retrofitting and to secure financial support by embedding low-emission development strategies into its regional medium-term plan. The experience underscores the necessity of coordination between technical departments and executives, the value of South–South–North networking, and the importance of aligning projects with long-term development goals to ensure sustainability.

The Reporting for Results-based REDD+ (RRR+) project is a joint initiative by the Coalition for Rainforest Nations (CfRN) and the Climate and Development Knowledge Network (CDKN) running from 2017 to 2019. It aims to help 21 tropical and subtropical forest countries develop the technical and institutional capacity to create accurate greenhouse gas inventories for the agriculture, forestry, and other land use (AFOLU) sectors. This capacity is essential for countries to submit reports to the UNFCCC and unlock results-based REDD+ payments. The project provides tailored training based on IPCC methods, supports the submission of National Communications and Biennial Update Reports, and promotes gender equality in natural resource management.

The document details how Bogor utilized the Urban LEDS program to create a greenhouse gas inventory and integrate low-emission priorities into its 2015-2019 Regional Medium-Term Development Plan (RPJMD). Key efforts focused on the transport sector, which was identified as the largest emitter, through initiatives like electric and gas-powered buses and pedestrian-friendly infrastructure. The process emphasized political commitment from Mayor Bima Arya, inter-agency collaboration, and international knowledge exchange.

The document outlines five key strategies for local governments to build effective climate partnerships: choosing partners strategically beyond the environmental sector, involving marginalised and opposing groups, leveraging local actors while understanding their spheres of influence, ensuring mutual benefit through co-design, and employing a trusted facilitator or knowledge broker. It illustrates these points with examples such as solar energy initiatives in Pakistan and Indonesia, climate-smart agriculture in Nepal, and coastal management in Belize.

The report argues that for the Energy Union Governance System to be credible, indicators must be rooted in law and serve both ex-ante planning and ex-post monitoring functions. It recommends a two-tier system of mandatory key indicators and supporting auxiliary indicators, integrated into National Energy and Climate Plans (NECPs). The author suggests that these indicators should trigger a differentiated response mechanism, ranging from non-binding Country-Specific Recommendations for minor deviations to mandatory corrective action plans and punitive measures for serious failures to meet binding targets. To ensure objectivity, the report proposes strengthening the role of independent expert bodies, such as the European Environment Agency (EEA), and utilizing a public scoreboard to increase transparency and accountability.

South Africa's 2nd Biennial Update Report (2016) provides a comprehensive assessment of the country's greenhouse gas (GHG) emissions from 2000 to 2012, highlighting the energy sector as the primary contributor. It outlines national mitigation strategies, including the introduction of a carbon tax and carbon budgets, and details the financial resources mobilized from bilateral and multilateral sources. The report also describes the development of a national monitoring, reporting, and verification (MRV) system and the National Greenhouse Gas Inventory System (NGHGIS) to improve data accuracy and transparency.

The report identifies natural gas-driven pneumatic controllers as the second-largest source of methane emissions in the US oil and gas industry. It concludes that mature, cost-effective zero-emission technologies are available and currently in use in the United States and Canada, with some jurisdictions in both countries implementing regulations to mandate their installation.

A case study on Bogor City's integration of low-carbon strategies into local development plans through the Urban Low Emission Development Strategies (Urban-LEDS) project since 2013.