EVERETT — Representatives from Washington state’s Department of Ecology and Washington Physicians for Social Responsibility testified on Tuesday during the first day of the U.S. Environmental Protection Agency’s public hearing sessions over the Trump Administration’s proposal to rescind greenhouse gas regulations for vehicles.

Online hearings, which are open to the public with registration, will go through Aug. 22, and written public comments can be sent through Sept. 22.

On July 29, the Environmental Protection Agency proposed to rescind its 2009 Greenhouse Gas Endangerment Finding, which concluded six greenhouse gases, including carbon dioxide and methane, threaten current and future public health and safety.

The finding, supported by a large body of scientific studies, granted the

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