Home / International / ESG – Environmental, social and governance / Clean Energy, Environment & Climate Change

International Clean Energy, Environment & Climate Change law firm

We help you identify risks and opportunities arising from the increasing focus on clean energy, the environment and climate change

Back to ESG – Environmental, social and governance

With more than 450 lawyers in 75 offices across the globe, our Energy & Climate Change Group is one of the largest of its kind, covering most of CMS’s practices, geographies and sectors.

We have established an outstanding reputation through our ground-breaking work designing and implementing modern energy markets. Now we are at the heart of the transition to a decarbonised economy based on renewable energy, to help the world address the climate crisis.

Our work encompasses both strategic and operational challenges including climate change strategy, new technologies, risk and disputes, environmental regulation (Carbon Border Adjustment Mechanism) and major infrastructure projects, focusing primarily on the following areas:

  • Renewable energy
  • Carbon capture, use and storage
  • Hydrogen
  • Corporate net zero strategies
  • Sustainable finance
  • Electric vehicles and decarbonisation of the transport sector
  • Circular economy
  • Energy transition
  • Industrial decarbonisation

As a climate change law firm, our experts advise clients on the tax perspectives of financing and optimising structures, as well as help them manage environmental risks and liabilities and resolve conflicts. At all times, we focus on solutions that are commercially sound and legally compliant.

By taking an international perspective, combining local expertise and cross-sectoral knowledge, we tailor our advice closely to clients’ needs, while staying aligned with the bigger, global climate change picture.

Please contact any of our Clean Energy, Environment & Climate Change lawyers to find out how we can help you.

Doing business responsibly

At CMS, we are committed to running our business ethically and sustainably. We are diverse, supportive and inclusive, creating a culture of sustainability in which all our people, whatever their background, can maximise their potential and thrive.

Read more


Portrait ofMunir Hassan
Munir Hassan
Energy & Climate Change
Portrait ofDalia Majumder-Russell
Dalia Majumder-Russell
Energy & Climate Change
Portrait ofRubio-Aurore-Emmanuelle
Aurore-Emmanuelle Rubio
Energy & Climate Change
Christophe Barthélemy
Portrait ofDöne Yalçın
Döne Yalçın
Portrait ofOlivia Jamison
Olivia Jamison
Show more Show less

How can we help your business?

Write us a message and we will get in contact.

Your message was sent.

Thank you for contacting us. We will get back to you soon.

Please check these fields.

By including your personal data on this form you agree to it being used in accordance with our Privacy Policy



CMS Expert Guide to renewable energy
The Renewables Sector is now many decades old and considered a mature investment sector by many. Yet the issues it faces continue to evolve and grow at pace with the evolution and growth of the sector...
EU’s Treatment of Energy Disputes
Three Recent Developments in the EU’s Treatment of Energy Disputes  In the past five years, the EU has taken an increasingly aggressive stance against intra-EU investor-State dispute settlement (“ISDS”)...
Introduction   Many countries across the globe have taken significant steps towards embracing hydrogen as a pivotal component of their energy landscape. With the aim of fulfilling their commitments...
Recent Tax Developments around Renewables
The renewables sector has undergone rapid change in recent years. During the pandemic, many countries tried to boost their economies through strong tax and financial incentives for energy efficiency works...
Energy M&A
The M&A activity related to Energy plants and investments has strongly increased in the last years by undergoing significant transformation in the energy industry driven by technological advancements...
Land is a finite resource. As the world collectively pushes towards achieving Net Zero targets, more and more land will need to be used for renewable energy projects, including solar farms, wind farms...
Energy Transition 2023
As the world seeks to balance energy security and affordability with the broadly agreed imperative to address carbon emissions, this report seeks to provide a timely update on how major oil and gas companies are navigating the energy transition based on an analysis of their published data.
CMS Green Globe
Stay informed about the latest sustainability claims trends and developments The CMS Green Globe is an interactive platform that allows businesses and clients to stay aware and duly informed about all the main rapidly changing trends and developments in relation to sustainability claims. The CMS Green Globe helps you to avoid greenwashing your consumer. Here you find:Latest news on sustainability claim­sIn­ter­act­ive map – Country-specific trends for 32 jur­is­dic­tions­G­lob­al trendsRelated ESG products by CMSKey contacts/CMS Green Globe TeamSubscribe to CMS Green Globe Newsletter here.
CMS Next
What’s next? In a world of ever-ac­cel­er­at­ing change, staying ahead of the curve and knowing what’s next for your business or sector is essential. At CMS, we see ourselves not only as your legal advisers but also as your business partners. We work together with you to not only resolve current issues but to anticipate future challenges and innovate to meet them. With our latest publication, CMS Next, our experts will regularly offer you insights into and fresh perspectives on a range of issues that businesses have to deal with – from ESG agendas to restructuring after the pandemic or facing the digital transformation. We will also share with you more about the work that we are doing for our clients, helping them innovate, grow and mitigate risk. To be able to provide you with the best support, we immerse ourselves in your world to understand your legal needs and challenges. However, it is equally important that you know who we are and how we can work with you. So, we invite you to meet our experts and catch a glimpse of what is happening inside CMS. Enjoy reading this publication, which we will update regularly with new content. CMS Executive Team
Spotlight on Sustainability II December 2021 - Consumer Products Newsletter
Welcome to the December 2021 edition of the CMS Consumer Products Newsletter!
CMS Expert Guide to climate change tax reforms and incentives
There is strong evidence that the climate is warming.  The Paris Agreements on Climate Change puts the responsibility on governments to limit global warming and they are expected to undertake significant...
Taking stock of hydrogen developments 2020-2021
With developments in the low carbon hydrogen space proliferating and governments creating new policies to regulate these developments, join CMS experts to explore the key changes over the last 12 months...