About Cipher - Expert Reporting & Analysis on Climate Solutions

Cipher covers the technological innovations we need to combat climate change and transform our global energy systems.

Amy Harder interviewing Jason Bordoff, founding director of Columbia University’s Center on Global Energy Policy, at the Aspen Ideas Climate conference in March 2023.

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As the urgency and complexity of the clean energy transition deepens, Cipher brings readers expert reporting and analysis on critical climate solutions, including the latest developments, trends and most important areas of focus.

Cipher means zero, which reflects our simple, but hard, goal: helping accelerate understanding of the technologies we need to achieve net-zero greenhouse gas emissions by 2050.

Cipher also means code. We decode complex topics and make them clear to people at all levels working to address climate change — and anyone who wants to be an informed, concerned citizen.

We take a global perspective to this incredibly interconnected issue, with a growing team of veteran climate and energy reporters based around the world, including the United States and Europe, with a dedicated focus on regular travel to support international reporting.

Meet the Team

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Cipher is proud to make our journalism free for all to read and republish. To republish a story on your website, select the "Republish" button on the left side of any article.

Cipher + Associated Press

Cipher is partnering with the Associated Press to bring coverage on clean energy and climate solutions to more readers around the globe. Read the first collaborative story here. To learn about other media partnership opportunities, reach out to Executive Editor Amy Harder

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Editorial Policy

Cipher strives to produce information of the highest quality and credibility. All reporters follow the Society of Professional Journalists’ code of ethics to seek truth, minimize harm, act independently, and be accountable and transparent.

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Breakthrough Energy

Cipher is supported by Breakthrough Energy, a network of investment vehicles, philanthropic programs, and policy advocacy activities committed to scaling the technologies we need to reach net-zero emissions by 2050. Breakthrough Energy also supports and partners with a range of other entities working to tackle climate change. Its founder is Bill Gates, Microsoft co-founder and co-chair of the Bill and Melinda Gates Foundation.

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