Introduction
Becky is a climate change and ESG lawyer helping businesses navigate sustainability regulation, reporting obligations, and the transition to a nature-positive and net zero world.
Becky Clissmann is our Global Sustainability Expertise Counsel focusing on climate and nature risk change and the transition to net zero.
Becky has over 20 years' experience of climate change and sustainability law and regulation from her roles in private practice and industry including as a Senior Editor in the environment team at Practical Law, Thomson Reuters. Becky also obtained extensive experience of climate change policy measures working for the Carbon Trust and as Managing Director of The Chancery Lane Project.
Becky works closely with colleagues across the firm including our Environment and Safety practice advising on ESG regulation including sustainability reporting, supply chain due diligence and transition planning. She also regularly works with colleagues in our Risk Advisory practice to deliver integrated advice and tech solutions concerning ESG risk management across a range of sectors.
Becky is co-chair of the Legal Sustainability Alliance, a co-convenor of the UK Environmental Law Association's Climate Change and Energy Working Party and a member of The Law Society's Climate Change Committee and the Bar Council's Climate and Nature Panel.
Latest thinking
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Thought leadership
The New Data Center Playbook | Chapter 2: Managing Social Risk and Opportunity
August 05, 2026
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Legal development
EFRAG consults on proposed sustainability reporting standards for non-EU companies
July 30, 2026
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Legal development
EU adopts simplified ESRS and sustainability reporting standard for voluntary use
July 20, 2026
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Legal development
Governance & Compliance Update – Issue 84
July 09, 2026
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Legal development
Financial services speedread: 7 July 2026 edition
July 07, 2026
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Legal development
Ashurst Governance & Compliance Update – Issue 83
June 19, 2026
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Legal development
The basics of transition planning
May 14, 2026
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Legal development
Ashurst Governance & Compliance Update – Issue 82
May 13, 2026
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Legal development
European Commission consults on revised ESRS and sustainability reporting standard for voluntary use
May 12, 2026
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Legal development
Ashurst Governance & Compliance Update – Issue 81
April 09, 2026
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Legal development
Ashurst Governance & Compliance Update – Issue 80
March 25, 2026
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Legal development
Ashurst Governance & Compliance Update – Issue 79
March 04, 2026
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