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Save money.

Decarbonization strategy, planning, and implementation solutions
for the middle market

Climate action doesn't need to be hard

Rappel makes it simple and affordable for mid-sized companies to reduce their carbon emissions by eliminating the time, resource, and expertise barriers that hold these companies back. We help businesses understand their emissions drivers, prioritize the right reduction levers, launch actionable plans, and sustain progress.

Trees From Above

Carbon reductions shouldn't be expensive

We use advanced modeling to assess and sequence company-specific reduction levers that prioritize operational energy savings and quick investment paybacks.  Our standardized process delivers results at a fraction of the cost, without sacrificing quality and actionability. 

Our solutions

Digital Carbon Audit

Kickstart your decarbonization journey. Includes a greenhouse gas estimation, translation of emissions into root causes or "emissions drivers", and a summary of quick win reduction actions.

Modern Concrete Architecture

Decarbonization Roadmap

Includes detailed emissions drivers and reduction levers with financials, confirmed reduction target, and governance to manage and make progress long-term.

Chief Carbon Officer

Sustain progress with implementation expertise, annual updates to plan, and fractional advisory support.

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Real Reductions

We specialize in the operational actions you can take to reduce emissions

Energy Efficiency

Fleet Transition

Fuel Switching

Onsite renewables

Green energy supply

Supplier engagement

Creating Real Value

We deliver immediate and direct business impacts through climate action

Operational Savings

Quick win decarbonization levers save 10-20% of energy costs on average

Customer Growth

Decarbonization roadmap meets requirements to serve large customers and governments with Net Zero supply chain commitments

Enterprise Value

Proactive reductions strategy positions companies for M&A and IPO while managing future risks from regulation and climate change

Yellow Stairs

Service Costs

Rappel delivers solutions at <50% of the cost of traditional sustainability consultants


We're looking for companies with the ambition to save money, win customers, and grow company value while reducing carbon emissions

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