Contributing Writer Justin Gerdes is a San Francisco Bay Area-based independent journalist specializing in energy issues and a Contributing Writer for Greentech Media. His work has appeared at the Guardian, Yale Environment 360,,, Ensia, and City Lab, among others.

He is the author of the e-book Quitting Carbon: How Denmark Is Leading the Clean Energy Transition and Winning the Race to the Low-Carbon Future. Find him on Twitter at @JustinGerdes.
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