{"query_echo":{"q":"","filters":{"geography":["U.S. Midwest"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'U.S. Midwest' for facet 'geography' is not in the controlled vocabulary."}]},"total":{"value":3,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?geography=U.S.+Midwest","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":"ucs-000398","url":"https://climateinsightsdirectory.org/document/ucs-000398","title":"Confronting Climate Change in the U.S. Midwest","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2009-07","source_url":"https://www.ucs.org/sites/default/files/2019-09/climate-change-iowa.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report projects that Iowa will face significantly hotter summers, increased flooding in winter and spring, and new threats to agriculture due to climate change. Under a higher-emissions scenario, Des Moines could see over 85 days per summer above 90°F and frequent heat waves similar to the 1995 Chicago disaster. Agriculture is threatened by heat stress for corn and livestock, as well as the northward expansion of pests like the corn earworm. The document argues that Iowa can mitigate these risks by strengthening its renewable electricity standard, promoting energy efficiency, and banning coal plants without carbon capture and storage, supported by federal cap-and-trade and fuel economy standards.","ai_generated":true,"unit":"ucs-000398#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Under a higher-emissions scenario, average summer temperatures in Iowa are projected to increase by more than 3°F over the next several decades and by 14°F toward the end of the century. By the end of the century, every summer is projected to be as hot as or hotter than 1988, which was the state's hottest summer of the last half century.","ai_generated":true,"unit":"ucs-000398#insight-1","date_modified":"2026-10-23"},{"text":"Extreme heat in Des Moines is projected to increase dramatically under a higher-emissions scenario, with the city potentially experiencing more than 85 days per summer over 90°F and more than 33 days over 100°F toward the end of the century. This would include at least three heat waves per summer comparable to the 1995 Chicago heat wave.","ai_generated":true,"unit":"ucs-000398#insight-2","date_modified":"2026-10-23"},{"text":"Climate change is projected to alter precipitation patterns in Iowa, making winters and springs almost 30 percent wetter toward the end of the century under a higher-emissions scenario, which increases flash flooding risks. Conversely, summers are projected to see almost 20 percent less rain, increasing the likelihood of short-term droughts.","ai_generated":true,"unit":"ucs-000398#insight-3","date_modified":"2026-10-23"},{"text":"Iowa's agricultural sector faces significant risks from heat stress and pests. Three-day periods of temperatures 95°F or higher are projected to occur every summer toward the end of the century under a higher-emissions scenario, threatening corn yields. Additionally, warmer winters may allow the corn earworm to expand its range, with conducive conditions occurring every year toward the end of the century.","ai_generated":true,"unit":"ucs-000398#insight-4","date_modified":"2026-10-23"},{"text":"Livestock in Iowa, particularly dairy cattle, hogs, and pigs, are projected to experience near-permanent heat stress during the average summer toward the end of the century under a higher-emissions scenario, unless costly cooling measures like air-conditioned barns are implemented.","ai_generated":true,"unit":"ucs-000398#insight-5","date_modified":"2026-10-23"},{"text":"Energy use accounts for over 70 percent of Iowa's global warming emissions, with electricity generation contributing 44 percent and agriculture contributing 23 percent. Iowa's per capita emissions are approximately 60 percent higher than the national average.","ai_generated":true,"unit":"ucs-000398#insight-6","date_modified":"2026-10-23"}],"climate_tags":["climate change","extreme heat","heat wave","flood","drought","agricultural productivity","crop yield","air quality","wind power","bioenergy","energy efficiency","coal-fired power station","carbon capture and storage","emission trading"],"geography_discussed":["U.S. Midwest","Des Moines","Chicago","Cedar Rapids","Davenport","Sioux City","Indianapolis","France","United States"],"frame_perspective":[],"analysis_type":["climate projection","impact assessment","policy recommendation"]},{"id":"ucs-000399","url":"https://climateinsightsdirectory.org/document/ucs-000399","title":"Confronting Climate Change in the U.S. Midwest","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2009-07","source_url":"https://www.ucs.org/sites/default/files/2019-09/climate-change-michigan.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report projects that Michigan will face significantly hotter summers, increased flooding, and agricultural disruptions by the end of the century, particularly under a higher-emissions scenario. It highlights risks to public health from extreme heat and ozone pollution, as well as threats to the state's dairy and corn industries. To mitigate these effects, the document advocates for strengthening renewable energy standards, updating building codes, and implementing federal cap-and-trade and fuel economy policies.","ai_generated":true,"unit":"ucs-000399#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Under a higher-emissions scenario toward the end of the century, Detroit is projected to experience extreme summer heat, including almost 65 days with highs over 90°F and 23 days with highs over 100°F.","ai_generated":true,"unit":"ucs-000399#insight-1","date_modified":"2026-10-23"},{"text":"Extreme heat is projected to increase the frequency of lethal heat waves in Michigan; by the end of the century under a higher-emissions scenario, Detroit could face heat waves similar to the 1995 Chicago heat wave twice every summer.","ai_generated":true,"unit":"ucs-000399#insight-2","date_modified":"2026-10-23"},{"text":"Climate change is expected to degrade air quality in Michigan, as higher temperatures increase ground-level ozone and demand for electricity may increase emissions from coal-fired power plants, exacerbating risks for residents with asthma and heart disease.","ai_generated":true,"unit":"ucs-000399#insight-3","date_modified":"2026-10-23"},{"text":"Precipitation patterns are projected to shift, with winters and springs becoming wetter—potentially increasing by more than 20 percent toward the end of the century under high emissions—while summers become drier, increasing the risk of short-term droughts.","ai_generated":true,"unit":"ucs-000399#insight-4","date_modified":"2026-10-23"},{"text":"Water levels in the Great Lakes, specifically Lake Huron and Lake Michigan, are projected to decline by one to two feet under a higher-emissions scenario, threatening the shipping industry and coastal ecosystems.","ai_generated":true,"unit":"ucs-000399#insight-5","date_modified":"2026-10-23"},{"text":"Michigan's agriculture faces significant threats from heat stress, including the potential for corn crops to fail at 95°F and a decline in milk production from dairy cattle when temperatures exceed 75°F to 80°F.","ai_generated":true,"unit":"ucs-000399#insight-6","date_modified":"2026-10-23"},{"text":"Warmer winters are projected to allow crop pests, such as the corn earworm, European corn borer, and two types of corn rootworm, to expand their range northward into Michigan.","ai_generated":true,"unit":"ucs-000399#insight-7","date_modified":"2026-10-23"},{"text":"To reduce emissions, the report recommends that Michigan strengthen its renewable electricity standard to 25 percent by 2025, adopt 2009 building standards, and implement a moratorium on new coal-fired power plants lacking carbon capture and storage technology.","ai_generated":true,"unit":"ucs-000399#insight-8","date_modified":"2026-10-23"}],"climate_tags":["climate change","extreme heat","heat wave","flood","drought","agricultural productivity","energy efficiency","building code","coal-fired power station","carbon capture and storage","emission trading","wind power"],"geography_discussed":["U.S. Midwest","Detroit","Chicago","Illinois","Minnesota","France","United States"],"frame_perspective":[],"analysis_type":["impact assessment","policy recommendation"]},{"id":"ucs-000852","url":"https://climateinsightsdirectory.org/document/ucs-000852","title":"Assessing Future Climate Change","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"briefing","language":"en","date_published":"2009-07","source_url":"https://www.ucs.org/sites/default/files/2019-09/mw-climate-backgrounder.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document describes the use of IPCC emissions scenarios (A1fi and B1) and three global climate models (GFDL CM2.1, HadCM3, and PCM) to project climate variables in the U.S. Midwest. It details the distinction between higher-emissions paths, leading to 940 ppm of CO2 by 2100, and lower-emissions paths, leading to 550 ppm. The briefing notes that while these models reproduce historical regional climate features, they may be conservative as they do not capture recent rapid winter warming in the Midwest or the accelerated melting of polar ice sheets.","ai_generated":true,"unit":"ucs-000852#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The analysis utilizes two IPCC emissions scenarios: a higher-emissions scenario (A1fi) characterized by fossil fuel-intensive growth where atmospheric CO2 reaches 940 ppm by 2100, and a lower-emissions scenario (B1) involving a shift to resource-efficient technologies where CO2 peaks mid-century and reaches 550 ppm by 2100.","ai_generated":true,"unit":"ucs-000852#insight-1","date_modified":"2026-10-23"},{"text":"Projections for the U.S. Midwest were generated using three global climate models with varying sensitivities: the NOAA Geophysical Fluid Dynamics Laboratory (GFDL) CM2.1, the UK Met Office Hadley Centre Climate Model version 3 (HadCM3), and the National Center for Atmospheric Research’s Parallel Climate Model (PCM).","ai_generated":true,"unit":"ucs-000852#insight-2","date_modified":"2026-10-23"},{"text":"The climate model projections may be conservative because they fail to account for the rapid rate of polar ice sheet decay and melting, as well as the rapid winter warming observed in the Midwest over recent decades.","ai_generated":true,"unit":"ucs-000852#insight-3","date_modified":"2026-10-23"},{"text":"To move from global grid-based projections (with cells 50 to 250 miles wide) to higher-resolution regional projections covering tens of miles, researchers applied statistical and dynamical downscaling techniques.","ai_generated":true,"unit":"ucs-000852#insight-4","date_modified":"2026-10-23"}],"climate_tags":["climate modeling","carbon dioxide","sea level rise","El Niño southern oscillation"],"geography_discussed":["Illinois"],"frame_perspective":[],"analysis_type":["methodological briefing"]}]}