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Hayden Hashimoto

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  • Climate Pushing to ensure cleaner air for all on this International Day of Clean Air for Blue Skies

    On this International Day of Clean Air for Blue Skies, we recognize the tremendous strides the United States has taken towards cleaner air since 1970 under the federal Clean Air Act. And yet the work to achieve this year’s theme of “Healthy Air, Healthy Planet” is not over. There is room for more improvement, particularly

    September 7, 2021
  • News & Media EPA to reconsider National Ambient Air Quality Standards for particulate matter, returning to science-based expert review

    The EPA announced today it will reconsider the National Ambient Air Quality Standards for particulate matter, which were previously undermined by the Trump Administration. Hayden Hashimoto, CATF Staff Attorney said: “Today’s announcement that the Environmental Protection Agency will be reconsidering the National Ambient Air Quality Standards (NAAQS) for particulate matter represents an important step towards both […]

    June 10, 2021
  • Power Plants EPA Rescission of Trump-era Cost-Benefit Rule is an Important Step Forward

    The EPA has moved to rescind the Trump-era cost-benefit rule. Hayden Hashimoto, CATF Staff Attorney said: “We are pleased to see another pullback of a Trump EPA rule that was designed to impair efforts to protect public health and the environment.  EPA’s action is an important step toward clearing away another Trump midnight rule that put a finger on the scale […]

    May 13, 2021
  • Policy Censoring Science Final Rule Statement

    As our nation just celebrated the 50th anniversary of the Clean Air Act, the Trump EPA continues to undermine the public health protections created by this critically important statute, signing a rule that would limit the Agency’s discretion to consider and weigh the value of public health research studies in its decision-making. The rule, known […]

    January 5, 2021
  • Power Plants Clean Air Task Force Statement on EPA Particulate Matter NAAQS Rule

    By rushing to finalize this review of the National Ambient Air Quality Standards for particulate matter in its waning days, the Trump Administration continues its assault on public health, science, and the work of its own scientists. It is frustrating and disappointing to see this administration prioritize political objectives over sound science-based policies, especially at […]

    December 7, 2020
  • Testimony before the EPA Science Advisory Board on the EPA Guidelines for Preparing Economic Analyses

    CATF Attorney Hayden Hashimoto testified at a virtual public meeting of the EPA Science Advisory Board (SAB) providing support and suggestions regarding the SAB’s report on EPA’s Guidelines for Preparing Economic Analyses. Read the full testimony below.

    November 12, 2020
  • Policy CATF Statement on Legal Actions Defending the Mercury and Air Toxics Standards, June 19, 2020

    This morning, over 20 environmental, public health, and civil rights organizations have taken two legal actions to protect the Mercury and Air Toxics Standards (“MATS”). The MATS rule, which was issued in 2012, is fully complied with at this point and has resulted in a 96 percent reduction in these health-harming toxic air pollutants emitted […]

    June 19, 2020
  • Power Plants CATF Statement on EPA Proposal on Costs and Benefits of Clean Air Act Regulations

    Hayden Hashimoto, Legal Fellow for Clean Air Task Force, issued the following statement on a new anti-regulatory proposal from EPA: “Today, the Environmental Protection Agency is proposing yet another step to promote polluters’ interests—proposing a rule that would distort longstanding metrics for evaluating the costs and benefits of Clean Air Act regulations, thereby seriously impairing […]

    June 4, 2020