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Greening Our Built World

Accelerating the transition to a low carbon economy.

About Us

Capital E works with innovative companies, cities, banks and governments to accelerate the transition to a low carbon economy. Capital E is also an investment advisor and early stage investor in low carbon and clean energy companies.

Transforming Industries

Energy Efficiency

Capital E President, Greg Kats, led the development of IPMVP the international standard for energy efficiency design and tracking.

Green Building

Capital E has helped develop some of the world's most widely recognized green building standards.

Green Cities

Capital E founded the Smart Surfaces Coalition and conducted the first city-wide analysis of smart surface adoption.

Decarbonization

Capital E has co-led the development of industry standards for measuring and documenting CO2 reduction.

High Impact Investing

Capital E makes early stage investments and holds a portfolio of equity positions in the leading, most innovative firms in the following areas:

clean energy

zero carbon materials

smart grid

energy efficiency

financial

zero carbon development

Portfolio

Featured

Helping Cities Manage Climate Risk

Capital E report on the impact climate change can have on city credit ratings. Published by Insurance and Risk magazine.

Smart Surfaces Coalition

Capital E has been leading the creation and development of the Smart Surfaces Coalition--a group of 35 organizations committed to the rapid adoption of Smart Surfaces in cities.

Greening Our Built World

A book by Capital E President Greg Kats, one of the first publications to evaluate the cost effectiveness of green building

Delivering Urban Resilience

Capital E releases the first ever report quantifying the cost and benefits of city-wide adoption of Smart Surfaces in Washington D.C., Philadelphia, and El Paso.