The United States Chamber of Commerce filed a petition for the EPA to hold a formal hearing to review the scientific evidence that the EPA used for its proposed finding that greenhouse gas emissions endanger public health. By petitioning for the hearing, the Chamber of Commerce may pursue legal challenges to any regulatory action that is based on the scientific evidence. Chamber of Commerce Vice President William Kovacs said, “We are not denying that there is climate change. What we are stating is that there is no evidence that that climate change has an effect on health or welfare.”