Environmental Transactions
Weil’s Environmental Transactions lawyers are an integral part of the Firm’s Corporate practice, possessing significant experience analyzing the environmental aspects of acquisitions, divestitures, financings, restructurings and securities offerings in a broad spectrum of business sectors throughout the world.
Notable Representations, Key Contacts
Weil attorneys are experienced at identifying, quantifying and contractually allocating environmental liabilities that may arise in the context of domestic and cross-border transactions, including equity investments, mergers and acquisitions, joint ventures, corporate restructurings, infrastructure projects and financing transactions. We represent buyers, sellers, lenders, investment banks and investors, including private equity firms and financial institutions as well as other businesses in all phases of corporate and real estate transactions. Weil offers a full range of transactional services, including conducting and coordinating due diligence investigations of potential environmental liabilities; quantifying those liabilities in the context of the clients’ overall business strategy; advising on and negotiating contract provisions, disclosures and environmental insurance policies; and transitioning environmental functions at target entities into acquiror business structures. We also are adept at facilitating financing in debt and equity markets, and frequently assist clients in preparing environmental disclosures required under various securities laws and capital market requirements. In addition, Weil attorneys are skilled at identifying emerging business opportunities and risks associated with changing environmental policy, including those relating to unconventional oil and gas production, renewable energy development and greenhouse gas regulation.
Key Contacts

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Shortcut Links
Ranked Band 1 for Environment: Mainly Transactional in D.C.
Chambers USA 2025
Ranked Tier 1 for Environment: Transactional
Legal 500 US 2025
Annemargaret Connolly Ranked Band 1 for Environment: Mainly Transactional in D.C.
Chambers USA 2025
Named National Tier 1 Environmental Law Practice
U.S. News – Best Lawyers “Best Law Firms” Survey 2022*
* Best Lawyers (in America) is by Levine Leichtman Capital Partners
Weil are among the best. They are very well regarded.”
Chambers USA 2024
Very knowledgeable and proficient on the most complex of transactions.”
Chambers USA 2024
Awards and Recognition, Speaking Engagements, Firm News & Announcements, Latest Thinking
Awards and Recognition
- Weil Ranked Band 1 for Environment: Mainly Transactional in D.C. Award Brief — Chambers USA 2025
- Weil Ranked Tier 1 for Environment: Transactional Award Brief — Legal 500 US 2025
- Annemargaret Connolly Named to the “Hall of Fame” for Environment: Transactional Award Brief — Legal 500 US
- Weil Ranked as a “Leading” Firm for Environment: Mainly Transactional in the U.S. Award Brief — Chambers USA 2025
- Seth Kerschner Ranked Band 1 for Environment: Mainly Transactional in New York Award Brief — Chambers USA 2025
Firm News & Announcements
- Weil Advises the Initial Purchasers in Clarios’ $1.2 Billion Debt Financing Transaction Deal Brief — September 10, 2025
- Weil Advises on €16.2 Billion Bridge Credit Facility in Support of Keurig Dr Pepper’s Acquisition of JDE Peet’s Deal Brief — September 02, 2025
- Weil Advised PSG and mPulse in Acquisition of Clarity Software Solutions Deal Brief — August 27, 2025
- Weil Advises American Securities in $390M Sale of Meridian Adhesives Flooring Business to Avery Dennison Deal Brief — August 26, 2025
- Weil Advises TPG in Acquisition of Irth Solutions from Blackstone Deal Brief — August 26, 2025
Latest Thinking
- EPA Proposes Repealing Greenhouse Gas Vehicle Standards and Endangerment Finding Alert — Environmental — By Annemargaret Connolly, Seth Kerschner, Matthew D. Morton and Caleb Holland — PDF — August 04, 2025