Multnomah County filed a nearly $52 billion lawsuit against big oil companies for their role in the deadly 2021 heat dome event. On a sunny June day, Multnomah County commissioners voted unanimously to sue 17 fossil fuel companies and big oil consultants, claiming the companies "have known their products were harmful for decades...and need to pay for the impacts of their pollution." The lawsuit is based on damages resulting from the 2021 heat dome event,...