May 29, 2026

Law firms often showcase their ethical initiatives, from pro bono cases to community programs, highlighting a side of Biglaw that transcends the grueling work hours and substantial bonuses. However, the recent release of the Law Students for Climate Accountability's (LSCA) annual report casts a shadow on this image, particularly pointing out Biglaw’s involvement in facilitating corporate pollution and fossil fuel consumption.
The report, which assesses the Vault 100 law firms based on their litigation, transactions, and lobbying that impact climate change, unveiled some disheartening data. In stark contrast to any claims of environmental stewardship, the 2026 scorecard has recorded the highest level of fossil fuel transactions in five years, totaling nearly $819 billion. This surge has been significantly influenced by the burgeoning AI data center industry, which despite its futuristic appeal, remains heavily reliant on fossil fuels.
Firms like Simpson Thacher, Latham & Watkins, and Sidley Austin have been highlighted for their substantial roles in these sectors. Simpson Thacher led global data center transactions, while Sidley Austin was involved in a major natural gas deal for Oracle’s AI expansion. These activities have been tagged with failing grades in the LSCA scorecard, underscoring the environmental cost of powering advanced technologies with non-renewable energy sources.
Furthermore, the report emphasizes the real-world consequences of these industrial activities, pointing to a new AI facility in South Memphis, which operates without necessary air permits in a predominantly Black neighborhood already burdened with high cancer risks. The local community faces the direct impact of these corporate decisions, which are legally fortified by some of the most influential law firms.
Despite this bleak outlook, there are glimmers of hope as some firms have achieved high marks for minimizing their involvement in fossil fuel projects. Foley Hoag, for instance, has made notable strides by earning an unprecedented A+ rating, proving that sustainable practices can also be part of a successful business model.
The LSCA’s rigorous evaluation method, which refuses to average scores to offset harmful activities with greener initiatives, aims to challenge the prevailing narrative of 'net' environmental impact that many firms advertise. This approach is a call to action for the legal industry to acknowledge and mitigate its part in climate change, rather than masking it with selective data and marketing spin.
As Biglaw firms continue to navigate their roles within both the legal and global environmental landscapes, the LSCA report serves as a critical checkpoint that offers a hard look at the industry’s impact on the planet. The full report, accessible online, provides detailed insights and data, offering a resource for prospective law students and industry analysts alike to understand the broader implications of their career choices in Biglaw.