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| Western Regional Air Partnership | |
|---|---|
| Name | Western Regional Air Partnership |
| Abbreviation | WRAP |
| Formation | 1991 |
| Type | Nonprofit consortium |
| Headquarters | American West |
| Region served | Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming, British Columbia, Alberta |
| Leader title | Executive Director |
| Parent organization | Environmental Protection Agency |
Western Regional Air Partnership is a multi-state, multi-stakeholder consortium established to coordinate regional air quality planning, emissions inventory development, and scientific assessment across the western United States and parts of Canada. It brought together federal agencies, state and provincial air agencies, tribal governments, industry groups, environmental organizations, and academic institutions to address transboundary issues such as tropospheric ozone, fine particulate matter, and regional haze. WRAP served as a technical and policy forum to inform regulatory actions by entities including the Environmental Protection Agency and state environmental agencies.
WRAP was formed in 1991 following concerns about long-range transport of air pollutants that affected visibility in national parks and wilderness areas such as Grand Canyon National Park, Yellowstone National Park, and Rocky Mountain National Park. Early drivers included obligations under the Clean Air Act Amendments and the Regional Haze Rule, plus stakeholder pressures after high-profile events like the Cuyahoga River fire era reforms and visibility studies tied to the National Park Service. Throughout the 1990s and 2000s, WRAP produced regional emissions inventories and modeling analyses to support State Implementation Plans submitted to the Environmental Protection Agency. Key milestones included coordinated modeling for the Visibility Transport Commission recommendations and development of the Western Regional Air Partnership Fugitive Dust Policy work products.
WRAP operated as a collaborative partnership comprising representatives from state and provincial air quality agencies such as the California Air Resources Board, Colorado Department of Public Health and Environment, and British Columbia Ministry of Environment and Climate Change Strategy; federal partners like the EPA and National Park Service; tribal entities including the Navajo Nation and Ute Tribe; industry stakeholders such as the National Mining Association and American Petroleum Institute; and environmental NGOs like the Sierra Club and Natural Resources Defense Council. Academic contributors included researchers from University of California, Berkeley, Colorado State University, and University of Washington. WRAP governance featured a steering committee, technical advisory groups, and workgroups focused on sectors including electric power generation, agriculture, transportation, and mining.
WRAP led programs to develop best available science and consensus tools, including the WRAP Emissions Inventory, regional photochemical modeling initiatives, and the WRAP Fire Emissions Inventory System. Initiatives addressed sectors such as coal-fired power plants, oil and gas operations, fugitive dust from mining and unpaved roads, and smoke management for wildland fires coordinated with US Forest Service policy. WRAP facilitated voluntary emissions reduction programs and supported state and tribal strategies for compliance with National Ambient Air Quality Standards overseen by the EPA. It also convened training and capacity-building workshops with partners like the Western Governors' Association and Council of Western State Foresters.
WRAP developed and consolidated monitoring datasets, including visibility observations from networks associated with the Interagency Monitoring of Protected Visual Environments program and particulate matter measurements tied to State and Local Air Monitoring Stations. It maintained emissions databases used in regional chemical transport models, integrating inputs from sources such as the National Emissions Inventory, Continuous Emissions Monitoring Systems, and state permit inventories. WRAP supported model-ready gridded emissions for photochemical models like CMAQ and CAMx, and coordinated data-sharing protocols with entities including the National Oceanic and Atmospheric Administration and the US Geological Survey.
While not a regulator, WRAP influenced policy through technical analyses that informed State Implementation Plans, regional haze SIPs, and guidance adopted by the EPA. Its modeling and inventory work underpinned determinations of contribution to interstate pollution and facilitated negotiations on reasonable progress goals for visibility protection in Class I areas under the Regional Haze Rule. WRAP products were used by state air agencies to justify control measures affecting industrial sources, mobile sources, and agricultural operations. The partnership also aided tribal governments in developing federally enforceable Tribal Implementation Plans and coordinated with the Bureau of Land Management on land-management practices affecting air quality.
WRAP was funded through a mix of federal grants, state and provincial contributions, and dues or in-kind support from member organizations, with notable funding streams from the EPA cooperative agreements and contributions from entities like the Western States Air Resources Council. Partnerships extended to research institutions such as Lawrence Berkeley National Laboratory and NOAA's Earth System Research Laboratory, as well as with industry consortia including the Electric Power Research Institute for emissions characterization studies. WRAP also collaborated on grant-funded pilots with foundations and NGOs including the Ford Foundation and The Nature Conservancy.
WRAP's technical products influenced regional air quality planning, contributed to reductions in SO2 and NOx emissions through informed control strategies, and improved scientific understanding of long-range transport and wildfire smoke impacts on visibility and public health. Critics, including some environmental advocates and tribal representatives, argued that consensus processes sometimes yielded diluted recommendations that favored industry flexibility over stringent controls, and that governance structures could underrepresent frontline communities affected by pollution. Debates persisted over data transparency, allocation of costs for control measures, and the balance between voluntary programs and enforceable regulatory actions administered by the EPA and state agencies.
Category:Air pollution organizations Category:Environmental organizations based in the United States