Green Ambassadors: United Kingdom 2025

Nigel Brook


Clyde & Co

Nigel Brook

Clyde & Co reinsurance team head Nigel Brook is a key partner to the industry in its green transition journey. As co-lead of the firm’s global climate risk & resilience practice, he advises clients on ESG and climate issues including duties of care, liability, and governance.

Brook is also a leading voice within the firm’s thought leadership output, co-authoring insights into topics including environmental due diligence regimes, greenwashing litigation trends, and the potential impact of the KlimaSeniorinnen case regarding states’ obligations to mitigate climate change.

Supporting the business community in engaging with corporate climate advocacy, Brook spoke during the UN Global Compact Network UK’s webinar on stakeholder disclosures, discussing how businesses can best report on climate policy engagement activities in order to meet stakeholder expectations while avoiding legal and reputational risks.