{"query_echo":{"q":"","filters":{"analysis_type":["atmospheric modeling"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'atmospheric modeling' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":3,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=atmospheric+modeling","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"cer-000363","url":"https://climateinsightsdirectory.org/document/cer-000363","title":"Air quality and health impacts of doubling the South African standards for SO2 emissions from power plants","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"report","language":"en","date_published":"2019-07-03","source_url":"https://cer.org.za/wp-content/uploads/2019/07/Annexure-3_Lauri-Myllyvirta_Report_July-2019.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report argues that doubling the SO2 emissions limit would lead to significant increases in PM2.5 exposure and mercury deposition, resulting in approximately 3,300 premature deaths, with a high concentration of impacts in the Gauteng region.","ai_generated":true,"unit":"cer-000363#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Doubling the SO2 emissions limit from 500mg/Nm3 to 1000mg/Nm3 would allow Eskom to emit an additional 280,000 tonnes of SO2 annually, totaling 5.5 million tonnes over the plants' lifetimes.","ai_generated":true,"unit":"cer-000363#insight-1","date_modified":"2026-10-23"},{"text":"The proposed change in standards is projected to cause approximately 3,300 premature deaths (95% confidence interval: 3,000 to 3,500), with annual excess deaths peaking at 170 in 2025-26.","ai_generated":true,"unit":"cer-000363#insight-2","date_modified":"2026-10-23"},{"text":"The health impacts are distributed across several causes: 952 deaths from acute lower respiratory infections, 716 from ischaemic heart disease, 593 from chronic obstructive respiratory disease, 524 from lung cancer, 347 from stroke, and 315 from diabetes.","ai_generated":true,"unit":"cer-000363#insight-3","date_modified":"2026-10-23"},{"text":"Gauteng is a primary area of concern due to its proximity to polluting plants; approximately 1,000 of the 3,300 projected excess deaths would occur in this region.","ai_generated":true,"unit":"cer-000363#insight-4","date_modified":"2026-10-23"},{"text":"The Medupi power plant is projected to be the largest contributor to premature deaths, followed by Matimba, Kendal, and Majuba.","ai_generated":true,"unit":"cer-000363#insight-5","date_modified":"2026-10-23"},{"text":"Weakening the SO2 standard would likely increase mercury emissions by 15,000 kilograms per year, as it may allow operators to avoid installing SO2 scrubbers which also capture mercury.","ai_generated":true,"unit":"cer-000363#insight-6","date_modified":"2026-10-23"},{"text":"Mercury deposition is projected to exceed health-risk levels (above 125mg/ha/year) over an area of 89,000km², affecting 3.4 million people.","ai_generated":true,"unit":"cer-000363#insight-7","date_modified":"2026-10-23"}],"climate_tags":["environmental impact of mercury","coal-fired power station","public health"],"geography_discussed":["Gauteng","Limpopo","Johannesburg","Newcastle","People's Republic of China","India"],"frame_perspective":[],"analysis_type":["health impact assessment","atmospheric modeling","policy analysis"]},{"id":"cer-000370","url":"https://climateinsightsdirectory.org/document/cer-000370","title":"Air quality and health impacts of ESKOM’s planned non-compliance with South African Minimum Emission Standards","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"research paper","language":"en","date_published":"2019-03-19","source_url":"https://cer.org.za/wp-content/uploads/2020/08/Annexure-5.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report finds that granting Eskom's requests for non-compliance with Minimum Emission Standards would lead to significant excess emissions of SO2, NOx, particulate matter, and mercury, resulting in an estimated 16,000 avoidable premature deaths across South Africa, with 3,100 of those in the Gauteng region.","ai_generated":true,"unit":"cer-000370#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Granting Eskom's requests for non-compliance with the Minimum Emission Standards (MES) would result in substantial excess emissions over the remaining operating life of the power plants: an estimated 19 million tonnes of SO2, 1 million tonnes of NOx, 190,000 tonnes of particulate matter, and 200,000 kilograms of mercury.","ai_generated":true,"unit":"cer-000370#insight-1","date_modified":"2026-10-23"},{"text":"Full compliance with the MES could avoid an estimated 16,000 premature deaths (with a 95% confidence interval of 13,000 to 18,000), which represents a 40% reduction in the health impact of air pollution from Eskom's power stations.","ai_generated":true,"unit":"cer-000370#insight-2","date_modified":"2026-10-23"},{"text":"The Gauteng region is a particular public health concern due to the proximity of highly polluting plants; requiring full compliance with the MES could avoid an estimated 3,100 premature deaths in this region, including 1,000 in Johannesburg, 900 in Tshwane, and 800 in Ekurhuleni.","ai_generated":true,"unit":"cer-000370#insight-3","date_modified":"2026-10-23"},{"text":"Mercury emissions from Eskom's plants are projected to cause deposition levels exceeding health risk thresholds (above 125mg/ha/yr) over an area of 89,000km², affecting 3.4 million inhabitants.","ai_generated":true,"unit":"cer-000370#insight-4","date_modified":"2026-10-23"},{"text":"The study's modeling indicates that emissions from Eskom power plants expose 1.6 million people to at least one annual exceedance of South Africa's 1-hour SO2 air quality standard and 280,000 people to an exceedance of the 1-hour NO2 standard.","ai_generated":true,"unit":"cer-000370#insight-5","date_modified":"2026-10-23"}],"climate_tags":["coal-fired power station","air quality","particulates","environmental impact of mercury","public health"],"geography_discussed":["Gauteng","Johannesburg","City of Tshwane Metropolitan Municipality","City of Ekurhuleni Metropolitan Municipality","Sedibeng District Municipality","West Rand District Municipality","People's Republic of China","India"],"frame_perspective":[],"analysis_type":["health impact assessment","atmospheric modeling","policy analysis"]},{"id":"cer-000815","url":"https://climateinsightsdirectory.org/document/cer-000815","title":"Health impacts of Eskomʼs non-compliance with minimum emissions standards","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"report","language":"en","date_published":null,"source_url":"https://cer.org.za/wp-content/uploads/2023/04/CREA-Report_Health-Impacts-of-Eskoms-non-compliance.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report finds that Eskom's current retrofit plan is insufficient to address sulphur dioxide (SO2) emissions, leading to significant projected mortality and economic losses. Full compliance with the MES by 2025 would avoid approximately 2,300 deaths and R42 billion in economic costs annually. The most stringent scenario, applying Best Available Technology (BAT), would reduce health impacts by over 90% by 2031 compared to the current plan.","ai_generated":true,"unit":"cer-000815#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Under Eskom's current planned retirement and retrofit schedule, emissions from its power plants are projected to cause 79,500 air pollution-related deaths from 2025 until the plants reach their end-of-life.","ai_generated":true,"unit":"cer-000815#insight-1","date_modified":"2026-10-23"},{"text":"Full compliance with the Minimum Emissions Standards (MES) for plants operating beyond 2030 would prevent an estimated 2,300 deaths and R42 billion (USD 2.9 billion) in economic costs every year starting in 2025.","ai_generated":true,"unit":"cer-000815#insight-2","date_modified":"2026-10-23"},{"text":"Eskom's retrofit plan is deemed largely ineffective for health benefits because it fails to adequately address SO2 emissions, realizing only one quarter of the benefits that full MES compliance would provide.","ai_generated":true,"unit":"cer-000815#insight-3","date_modified":"2026-10-23"},{"text":"Cumulative health benefits of MES compliance until the end-of-life of the fleet include avoiding 34,400 deaths, 140,000 asthma emergency room visits, 5,900 new childhood asthma cases, 57,000 preterm births, 50,000 years lived with disability, and 35 million days of work absence, with total economic costs avoided at R620 billion.","ai_generated":true,"unit":"cer-000815#insight-4","date_modified":"2026-10-23"},{"text":"Implementing Best Available Technology (BAT) by 2030 instead of the current MES would result in the highest health gains, avoiding 57,000 deaths and R1,000 billion in economic costs compared to the Eskom plan.","ai_generated":true,"unit":"cer-000815#insight-5","date_modified":"2026-10-23"},{"text":"Full MES compliance would significantly reduce emissions of SO2 by 60%, particulate matter (PM) by 50%, nitrogen oxides (NOx) by 20%, and mercury (Hg) by 40% compared to a no-improvement scenario.","ai_generated":true,"unit":"cer-000815#insight-6","date_modified":"2026-10-23"}],"climate_tags":["coal-fired power station","air pollution","particulates","environmental impact of mercury","public health"],"geography_discussed":["Mpumalanga","Limpopo","Gauteng","European Union"],"frame_perspective":[],"analysis_type":["health impact assessment","economic valuation","atmospheric modeling","policy analysis"]}]}