Expert Voices

5 transformative energy technologies to watch

A bright light bulb surrounded by foliage
Illustration: Sarah Grillo/Axios

Global greenhouse emissions rose last year, an unwelcome development after they'd leveled off the 3 previous years and a clear call to action for the world’s long-term energy goals.

What’s next: Unprecedented advances in a broad range of clean and renewable energy technologies will be critical. Although some key technologies have seen widespread adoption, other areas like negative emission technologies and low-carbon industrial processes remain in need of sustained, targeted innovation. The following 5 technologies are among the most important, based on recent performance or potential contribution to climate goals.