Multnomah County in Oregon is suing oil and gas companies Exxon Mobil , Shell , Chevron , BP, ConocoPhillips and related organizations for the damages caused by the 2021 Pacific Northwest heat dome. Multnomah County said these and other fossil fuel companies and entities operating in the region are significantly responsible for causing and worsening the deadly heat event. Starting on June 25, 2021, Multnomah County had three consecutive days where the heat reached 108, 112 and 116 degrees Fahrenheit, respectively. The heat event is called a heat dome which is a weather event caused by a high-pressure system that in this case prevented cooler maritime winds to blow and also prevented clouds from forming. Jessica Vega Pederson, the chair of Multnomah County, is seeking to protect the residents of the county she represents.

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Persons: Shanton Alcaraz, Eddy Norby, Jessica Vega Pederson, Pederson, Caron PC, Thomas, Coon, Frost Organizations: Salvation Army Northwest Division, Exxon Mobil, Shell, BP, ConocoPhillips, Anadarko Petroleum, Occidental Petroleum, American Petroleum Institute, Chevron, Koch Industries, Marathon Petroleum, McKinsey & Company, Motiva, Peabody Energy, Specialties USA, Valero Energy, Western States Petroleum Association, Worthington Locations: Seattle , Washington , U.S, Multnomah County, Oregon, Chevron, Pacific, Occidental