Take action and create impact

Together we can drive climate action, fast. Join our global network of over 800 businesses, governments, and signatories working to maximise impact as a collective and deliver a just transition to a net zero future.

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RE100 Leadership Awards at Climate Week NYC.
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Why join our Climate Group programmes?

Policy - Through our Policy Working Groups, you will contribute to initiatives that drive and promote policy change, including helping to shape our responses to government consultations, position papers, and surveys, to deliver real impact.    

Profile - Gain profile and branding opportunities to demonstrate your leadership to peers, including participation in regular campaigns, speaker slots, and inclusion in progress reports showcasing collective achievements.   

Network - By joining us, you become part of our global network of over 800 businesses, governments, and signatories. We promote international knowledge-sharing through regular updates, exclusive events and a hub of curated resources.

Impact - Collective action paves the path to change. Drive real-world progress by joining programmes with clearly defined targets and actionable strategies to reach your climate goals.

Explore our latest progress and insights reports 


"Our active involvement in Climate Group’s RE100, EP100, EV100 programmes is pivotal to executing our global sustainability strategy. It ensures strong collaboration across a broad ecosystem of like-minded companies as we seek a cleaner, healthier environment for future generations."

Noorie Rajvanshi, Director of Sustainability and Climate Strategy, Siemens

Explore our programmes


The world's most energy-smart companies committed to doing more with less energy.

EP100 brings together a growing group of energy-smart companies improving their energy productivity to lower their emissions and improve their competitiveness. Its mission is to lower global energy demand and accelerate the clean energy transition.

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Bringing together forward-looking companies committed to accelerating the transition to electric passenger and light duty vehicles by 2030

Through their investment decisions, as well as their impact on staff and customers worldwide, businesses can play a major role in driving the transition to electric vehicles. By taking the lead in their own operations, EV100 members demonstrate the rapidly growing case for going electric.

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Bringing together companies committed to kickstarting the transition to zero-emission medium and heavy-duty vehicles (MHDVs) by 2040.

Through their investment decisions, as well as their impact on staff and customers worldwide, businesses can play a major role in driving the transition to zero-emission MHDVs. Collectively, EV100+ members are driving the market towards emission free transport. 

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The world’s most influential companies committed to 100% renewable power.

RE100 is the global corporate renewable energy initiative bringing together hundreds of large and ambitious businesses committed to 100% renewable electricity.

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Bringing together leading organisations to speed up the transition to a net zero steel industry.

Organisations that join SteelZero make a public commitment to procure 100% net zero steel by 2050. By harnessing their collective purchasing power and influence, these organisations are sending a strong demand signal to shift global markets and policies towards responsible production and sourcing of steel.

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Bringing together pioneering organisations to create a global market for net zero concrete.

By harnessing our members' collective purchasing power and influence, ConcreteZero sends a strong demand signal to shift global markets, investment and policies towards the sustainable production and sourcing of concrete.

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Under2 Coalition

A global community of state and regional governments committed to ambitious climate action in line with the Paris Agreement.

The Under2 Coalition brings together over 220 governments representing more than 1.3 billion people and 43% of the global economy.

Members commit to keeping global temperature rises to well below 2°C with efforts to reach 1.5°C. 29 states and regions in the Coalition have committed to reaching net zero emissions by 2050 or earlier.

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Member achievements


Over 380 members are already driving enough renewable electricity demand to power a medium sized country. Find out more 


Over 120 of the world's leading companies are making commitments across almost 100 markets to transition their fleets to EV and install EV charging for staff and customers by 2030. That’s 5.6 million vehicles committed by 2030. Find out more 


CO2e emissions have been reduced by more than 320 million metric tonnes thanks to energy efficiency measures taken by over 120 members. That’s more than the current annual emissions of France and Switzerland combined. Find out more 


What we expect of our members

  • Be a leader and ambassador for driving climate action by sharing knowledge and best practices across forums and events such as member meetings and Climate Week NYC.
  • Honour your commitments and be accountable by reporting on your progress accurately and on time, through our annual disclosure reports.
  • Engage with our community through working groups and by supporting policy change, where relevant.


Hear from our members about their experience of being part of Climate Group programmes in our member success stories.

Board members

Our membership fees



Our 2024 membership fees (USD$)

EV100   6,500
EV100+   6,500
EP100*   6,500
RE100   6,500
RE100 Gold   18,000
ConcreteZero**   8,000
SteelZero**   8,000


We reserve the right to review membership fee levels every Autumn based on inflation. We will let members know of any changes at least four months in advance.

*Please note, different pricing applies for EP100 members who join via the Net Zero Carbon Buildings Commitment.

**Organisations with less than $500m annual revenue are eligible for reduced membership fees of $3,000.

Membership overview

Download a copy of the value and impact of our programmes and how to join us.