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  • Sulfur Dioxide (SO2) emissions at Intalco

    We are working with the Washington Department of Ecology, the U.S. Environmental Protection Agency, and various stakeholders to bring sulfur dioxide emissions from Alcoa’s Intalco aluminum smelter in Whatcom County in line with national air quality standards.

    Apr. 26, 2019

  • Greenhouse Gas Reduction

    We are committed to supporting and carrying out local, state, and federal policies and efforts to curb the human contribution of greenhouse gases to the environment. As part of those efforts, we are investing $4.7 million in local environmental projects.

    Jan. 25, 2016

  • Indoor Air Quality

    Compiled information and tips into this online resource to help you keep your indoor air clean and healthy.

    Jan. 7, 2016

  • Columbia Valley Air Quality Improvement Project

    We are active participants in this community-led effort to improve air quality by reducing wood smoke in Columbia Valley.

    Jan. 2, 2016