{"query_echo":{"q":"","filters":{"analysis_type":["empirical case study"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'empirical case study' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=empirical+case+study","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":"clipolin-000750","url":"https://climateinsightsdirectory.org/document/clipolin-000750","title":"Environmental Viability of Land Transport Infrastructure in the Amazon","publisher":{"name":"Climate Policy Initiative","organization":"climate-policy-initiative"},"document_type":"policy brief","language":"en","date_published":"2021-06","source_url":"https://www.climatepolicyinitiative.org/wp-content/uploads/2021/06/PB-Environmental-Viability.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document analyzes 14 large-scale railroad and highway projects in the Legal Amazon, finding significant gaps in the viability phase. Key issues include the lack of a mandatory sequence between Technical, Economic and Environmental Viability Studies (EVTEA) and Environmental Impact Studies (EIA), and a severe lack of transparency, with 57% of essential documents unavailable. The authors recommend mandating that EVTEA precede EIA to identify risks earlier and establishing a centralized database for all concession documents.","ai_generated":true,"unit":"clipolin-000750#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The viability phase for federal railroad and highway concessions lacks clear procedural rules, leading to uncertainty regarding the order of stages and the responsibility for obtaining the Preliminary License.","ai_generated":true,"unit":"clipolin-000750#insight-1","date_modified":"2026-10-23"},{"text":"There is no legal requirement for Technical, Economic and Environmental Viability Studies (EVTEA) to precede Environmental Impact Studies (EIA), which undermines the coherence of the viability phase and prevents early-stage socio-environmental risk assessment.","ai_generated":true,"unit":"clipolin-000750#insight-2","date_modified":"2026-10-23"},{"text":"Transparency is severely limited in the viability phase; 57% of the main documents and information for the 14 analyzed federal highway and railroad concessions in the Amazon were unavailable or missing.","ai_generated":true,"unit":"clipolin-000750#insight-3","date_modified":"2026-10-23"},{"text":"Information regarding infrastructure concessions is fragmented and contradictory across different government agencies, such as the PPI and VALEC, which provide conflicting data on project starting points.","ai_generated":true,"unit":"clipolin-000750#insight-4","date_modified":"2026-10-23"},{"text":"The lack of transparency regarding the criteria used to approve EVTEA and the unavailability of approval documents is identified as one of the major weaknesses of the entire concession process.","ai_generated":true,"unit":"clipolin-000750#insight-5","date_modified":"2026-10-23"}],"climate_tags":["environmental impact assessment","transparency","governance"],"geography_discussed":["Brazil","Maranhão","Acre","Amapá","Amazonas","Mato Grosso","Pará","Roraima","Rondônia","Q43695","Goiás"],"frame_perspective":[],"analysis_type":["policy brief","regulatory analysis","empirical case study"]}]}