{"query_echo":{"q":"","filters":{"geography":["Jardim Gramacho"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'Jardim Gramacho' for facet 'geography' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?geography=Jardim+Gramacho","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":"clitrace-000013","url":"https://climateinsightsdirectory.org/document/clitrace-000013","title":"ERS Spotlight Landfill Covering and Methane Capture Jardim Gramacho, Rio de Janeiro, BRA","publisher":{"name":"Climate TRACE","organization":"climate-trace"},"document_type":"fact sheet","language":"en","date_published":"2025-12","source_url":"https://media.climatetrace.org/CT_Rio_Landfills_2_0d6944d891.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The Jardim Gramacho project in Rio de Janeiro, managed by COMLURB, has transitioned from being Latin America's largest landfill to a climate mitigation site. By implementing a landfill-gas capture system and large-scale mangrove restoration along Guanabara Bay, the project avoids an estimated 850,000 tonnes of CO2e annually. The document highlights that while conventional landfill closure is often mistaken for mitigation, active systems that capture methane for combustion or energy use, combined with biocovers and vegetation restoration, can effectively curb emissions from legacy waste sites.","ai_generated":true,"unit":"clitrace-000013#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The restoration of the Jardim Gramacho landfill in Rio de Janeiro, led by the Municipal Cleaning Company (COMLURB), avoids approximately 850,000 tonnes of CO2e per year through the use of a gas-capture system and mangrove restoration along Guanabara Bay.","ai_generated":true,"unit":"clitrace-000013#insight-1","date_modified":"2026-10-23"},{"text":"Landfill emissions can be mitigated by transforming sites into managed systems that use gas-capture for renewable energy and biocovers to break down residual emissions, as conventional capping often fails to stop methane generation.","ai_generated":true,"unit":"clitrace-000013#insight-2","date_modified":"2026-10-23"},{"text":"The global potential for emissions reduction through landfill covering and methane capture solutions is estimated at 135 MtCO2e.","ai_generated":true,"unit":"clitrace-000013#insight-3","date_modified":"2026-10-23"}],"climate_tags":["methane emissions","Mangrove restoration","renewable energy"],"geography_discussed":["Guanabara Bay","Latin America"],"frame_perspective":[],"analysis_type":["case study","fact sheet"]}]}