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Clean 200

Top publicly listed companies by clean revenue

2022 Clean 200

2021 Clean 200

2020 Clean 200

2019 Clean 200

2017 Carbon Clean 200

  • 2017 Carbon Clean 200
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Clean200 companies
2022 Clean 200/Clean Tech

Report: Meet the top 200 companies investing in a clean energy future

by Toby A.A. Heaps, Andy Behar, Michael Yow and Matthew Malinsky

As You Sow and Corporate Knights rank the top publicly traded companies that are leading clean economy solutions

2021 Clean 200/Energy

Introducing the 2021 Carbon Clean200: Investing in a Clean Energy Future

by Toby A.A. Heaps and Andy Behar

Carbon Clean 200 surges ahead, leaves dirty energy index in the dust

2020 Clean 200/Clean Tech/Climate Crisis

The Carbon Clean200: Leading the transition to a clean energy future

by CK Staff

Corporate Knights and As You Sow have released our 7th Carbon Clean 200 list of publicly traded companies that are leading the

Clean 200 Cover
2019 Clean 200/Climate Crisis/Leadership

Introducing the 2019 Clean200

by CK Staff

Since our first Clean200 report was launched in the summer of 2016, Corporate Knights and As You Sow have released a list

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2019 Clean 200/Climate Crisis/Leadership

2019 Clean200 results

by CK Staff

Corporate Knights and As You Sow are pleased to present the 2019 Q1 Carbon Clean200 list of publicly-traded companies that are leading

2017 Carbon Clean 200

Introducing the 2017 Carbon Clean 200

by CK Staff

Over the past six years, and growing dramatically in the period leading up to and after the Paris COP21 and Marrakech COP22

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2017 Carbon Clean 200

2017 Carbon Clean 200 results

by CK Staff

  Click here to go back to the ranking landing page.

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2017 Carbon Clean 200

Planning for a net-zero world

by CK Staff

  Marc Grynberg Chief Executive Officer, Umicore GICS Industry: Chemicals The public sector โ€“ through smart regulation โ€“ can provide an essential

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