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Environment | USA

Missouri: St Louis & Surrounds

The environment chapter features both litigation and advisory / transactional support to clients. This includes general corporate issues, (eg due diligence on mergers), the development of brownfield sites, and pollution issues.`Traditional` environment work includes regulatory compliance, litigation and enforcement actions related to air, water, wetlands, waste and endangered species.We also feature advice to corporate and financial clients on the environmental aspects of M&A, financings, securities offerings and other transactions, which involve due diligence and environmental insurance issues.

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Band 1

  1. Bryan Cave Leighton Paisner LLP
    1
    Bryan Cave Leighton Paisner LLP
    Environment
    2025 | Band 1 | 15 Years Ranked

    Bryan Cave Leighton Paisner is an international firm with a noted presence in the St. Louis market. The group focuses on advisory matters with a strong emphasis on regulatory compliance and transactional support, including due diligence and enforcement issues. The firm regularly acts in high-stakes remediation projects. It often advises on disposal and recycling issues and also represents clients from the mining and agribusiness industries.

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  2. 1
    Thompson Coburn LLP
    Environment
    2025 | Band 1 | 15 Years Ranked
    Thompson Coburn LLP has a St. Louis-based practice with a strong reputation built on its long-standing presence in the market. It has notable litigation expertise and experience in sizable class actions. The group regularly advises global corporations from the oil and gas, manufacturing and pharmaceutical industries. The team supports clients on an array of environmental matters, including challenges to new permits, cleanups and compliance mandates as well as government investigations.
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2

Band 2

  1. Armstrong Teasdale LLP
    2
    Armstrong Teasdale LLP
    Environment
    2025 | Band 2 | 15 Years Ranked

    Armstrong Teasdale boasts a respected team in St. Louis which remains active in site remediation and brownfield redevelopment. It is frequently engaged as counsel on matters related to manufacturing plants, landfills and Superfunds by clients hailing from a variety of industries including manufacturing and gas. The group also advises on OSHA matters and environment-based transactions with issues of risk transfer and enforcement.

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  2. Husch Blackwell LLP
    2
    Husch Blackwell LLP
    Environment
    2025 | Band 2 | 15 Years Ranked
    Husch Blackwell has an established team with particular experience in litigation and regulatory compliance. Its key areas of focus include permits, cleanups, enforcement actions and other EPA-related matters. The group has built up an impressive client base in the agriculture, healthcare and chemical manufacturing industries. The team is also involved in remediation matters and government investigations.
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