Our portfolio

Reducing carbon dioxide emissions

We invest in technologies that increase energy efficiency in power, industry, transport and buildings.
Find out more about our investments below.

Boston Metal

Boston Metal has developed a novel technology that enables a more efficient, more environmentally sustainable, and less costly production of critical metals, including steel.


Aeroseal is a climate tech company shrinking carbon emissions from residential and commercial buildings



Turntide invents and scales breakthrough technologies to optimize how the world uses energy and accelerate the transition to 100% clean energy. Our solutions redefine sustainability as both an environmental benefit and a business profit driver.



Converge is a technology company accelerating decarbonization in the construction sector.



Qnovo is a battery management pioneer providing software that manages Li-ion batteries, enabling greater capacity utilization, extended battery life, faster charging and predictive analytics for battery recall avoidance and failure prevention.



Norsepower designs and manufactures mechanical rotor sails that provide auxil­iary propulsion power for large ships, reducing their fuel consumption and associated emissions.

Spruce Power

Spruce Power, formerly known as XL Fleet, owns and operates distributed solar energy assets. CI invested in XL FLeet in 2019, when the firm was providing efficient commercial vehicle electrification solutions.



ZincFive, a leader in innovation and delivery of nickel-zinc battery solutions with over 90 patents awarded, leverages safe and sustainable nickel-zinc chemistry within its solutions to provide high power density and performance.

Achates Power

Achates is developing high fuel-efficiency opposed-piston engines that aim to significantly reduce carbon dioxide and nitrogen oxide emissions.


METRON is a French cleantech company that uses AI technology to increase energy efficiency and productivity for industrial facilities while also delivering substantial cost savings.


75F delivers significant energy savings to commercial buildings with predictive, proactive automation of HVAC and lighting systems through a suite of wireless sensors, equipment controllers and cloud-based software.


Ontruck is a digital road freight platform connecting carriers and shippers more efficiently. Ontruck removes carbon emissions generated from empty trucks, enabling a more sustainable future of transportation.

Climate Investments case studies

Learn how our investments are helping to reduce carbon dioxide emissions

Are you a company or a project
looking for investment?

We invest in solutions to decarbonize sectors like oil and gas, industrials and commercial transport. We look for outcomes that reduce methane and carbon dioxide emissions, and that can recycle or store carbon dioxide.