Sustainability

Today’s sustainability challenges are complex and evolving. To address them we urgently need brave thinking that will drive action for a new economy - one where business, people and planet thrive.

EY teams are committed to building the confidence to act.

There will be no transition to a net-zero, regenerative future without business action and investment.

We meet clients where they are today, to design and help deliver the strategies and solutions that they need to accelerate action, scale innovation and drive meaningful impact. This is how we help clients build the confidence to act now, and to go further, faster.

Explore our insights on how resilient businesses can flourish in harmony with nature and society, thriving through shared prosperity within planetary boundaries.

Anchored in science, harnessing data and tech, delivering impact. Discover our full spectrum of sustainability services at EY Sustainability.

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Can AI save nature, or will it cause more harm?

Industry experts debate whether AI is an ally for nature or a threat to its existence. Hear diverse perspectives on nature technology and ethics.

16m 40s

What makes today’s climate leaders tomorrow’s business leaders?

The 2025 EY Global Climate Action Barometer highlights how proactive climate action can present a valuable strategic opportunity for companies. Read now.

Dr. Velislava Ivanova + 1

Driving impact to 2030 and beyond

There are just five years to milestone targets for nature, the environment and sustainable development. EY teams are joining governments, policymakers, NGOs, citizens and businesses at key global forums to help inform and accelerate public and private sector action in meeting climate, nature and international goals.

Register interest here

20–28 June 2026 | London, United Kingdom

London Climate Action Week is a key global convening moment bringing together business leaders, policymakers and innovators to accelerate climate and nature action.

As sustainability becomes a defining driver of competitiveness, resilience and long-term value, this year’s program will focus on the strategic choices organizations are making across transformation, capital allocation and growth. EY will convene senior stakeholders to explore how leaders can navigate risk, respond to rising accountability and unlock new opportunities.

Register your interest
20–27 September 2026 | New York, United States

Progress on climate is at a critical crossroads. As companies navigate a complex business environment — including evolving regulation and geopolitical pressures — the imperative for climate action has never been clearer.

EY will join Climate Week NYC alongside global leaders from business, government and civil society, convening stakeholders to explore how to accelerate action, scale solutions and drive long-term value.

Register your interest
19–30 October 2026 | Yerevan, Armenia

COP17 will spotlight the growing importance of nature and biodiversity in building resilient, sustainable economies. As organizations increasingly recognize nature as a core business issue, attention is shifting to integrating nature into decision-making and value creation.

EY will engage leaders to explore how organizations can embed nature into strategy and operations — managing risk while unlocking innovation and long-term value.

Register your interest
9–20 November 2026 | Antalya, Türkiye

COP31 represents a critical moment to accelerate climate action and turn commitments into delivery. As the focus shifts to implementation, leaders will need to scale solutions, mobilize finance and drive measurable outcomes.

EY will convene stakeholders to explore how organizations can respond to evolving regulation, embed sustainability into strategy and move from ambition to action.

Register your interest
January 2027 | Davos, Switzerland (dates TBC)

EY leaders will convene at the World Economic Forum (WEF) annual meeting in Davos, Switzerland, joining leaders of government, business and society to address key global and regional challenges. The meeting aims to address pressing political, economic, and societal challenges and foster greater collaboration.

Register your interest

Our latest thinking

Sustainable Aviation Fuels: Paving the way for greener skies

Discover how sustainable aviation fuel (SAF) is revolutionizing air travel and reducing carbon emissions. Learn more about the future of green aviation.

Daniel Eisenhuth + 1

Geostrategic Analysis: December 2025 edition

Read the December 2025 Geostrategic Analysis for our take on geopolitical developments and the impact of these political risks on international business.

Oliver Jones + 1

Explore more on Sustainability

The team

Colm Devine

EY Global Vice Chair – Sustainability

30+ years advising governments and corporates. Boardroom experience with top global firms. Proud husband, dad of two boys. Golfer. Cyclist. Water-skier.

London, United Kingdom

EY Global

Multidisciplinary professional services organization

Gerard Gallagher

EY Global Clients & Industries Sustainability Leader

Transformational leader. Engineer. Geophysicist. Triathlete. Dedicated father of four. Climate advocate.

London, United Kingdom

Dr. Velislava Ivanova

EY Global Chief Sustainability Strategist

Sustainability leader. Trusted business advisor. Global citizen. Nature lover.

Miami, FL, United States

Gill Lofts

EY Global Financial Services Sustainable Finance Leader

Passionate about creating a legacy in the financial services industry. Proud mother of two daughters.

London, United Kingdom

EY Global

Multidisciplinary professional services organization

Gillian Hinde

EY Global Corporate Responsibility Leader

Connector. Collaborator. Wannabe concert pianist. Passionate about personal empowerment and collective action to drive change at scale.

London, United Kingdom

Alexandra Banks

EY Global Nature Lead; Partner, Climate Change and Sustainability Services, Ernst & Young

Determined sustainability problem solver. Believer in sustainable transformation. Passionate advocate for a more just, fair and sustainable world for all. Favorite place – any forest.

Melbourne, Australia

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