{"query_echo":{"q":"","filters":{"geography":["Regional Greenhouse Gas Initiative"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'Regional Greenhouse Gas Initiative' 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=Regional+Greenhouse+Gas+Initiative","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":"catf-000761","url":"https://climateinsightsdirectory.org/document/catf-000761","title":"Regulation!Works","publisher":{"name":"Clean Air Task Force","organization":"clean-air-task-force"},"document_type":"report","language":"en","date_published":"2015-07","source_url":"https://cdn.catf.us/wp-content/uploads/2015/07/21094440/CATF_Pub_RegulationWorks.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report documents a significant decline in power plant-related health impacts and emissions in the U.S. and the RGGI region between 2004 and 2012, attributing these gains to stringent emission controls, the transition from coal to natural gas, and renewable energy policies.","ai_generated":true,"unit":"catf-000761#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"National health impacts attributable to fine particle (PM2.5) pollution from U.S. power plants decreased significantly over 14 years, with annual deaths dropping from 23,600 in 2004 to 7,500 in 2012.","ai_generated":true,"unit":"catf-000761#insight-1","date_modified":"2026-10-23"},{"text":"Between 2004 and 2014, federal and state regulatory initiatives—including the Mercury and Air Toxics Rule (MATS) and interstate air pollution rules—reduced emissions of nitrogen oxides (NOx) by 55 percent and sulfur dioxide (SO2) by 68 percent.","ai_generated":true,"unit":"catf-000761#insight-2","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide","coal-fired power station","Renewable portfolio standard","energy efficiency","carbon emission trading"],"geography_discussed":["Connecticut","Delaware","Maine","Maryland","Massachusetts","New Hampshire","New York","Vermont","Rhode Island"],"frame_perspective":[],"analysis_type":["health impact assessment","policy evaluation"]}]}