Steel is the backbone of modern society, and it’s also responsible for 7% of global greenhouse-gas emissions every year. This summer, Bloomberg Green reporter Akshat Rathi visited a US startup that says they can clean it all up. Operating in a suburban office park in Colorado, Electra is coming out of stealth mode. It claims to have developed a way to get through the most energy-intensive part of steelmaking at temperatures lower than fresh coffee. Akshat dives into the science and story of Electra with CEO Sandeep Nijhawan.

You can read the full feature about Electra here.

Read a full transcript of this episode, here.

Zero is a production of Bloomberg Green. Our senior producer is Christine Driscoll and our producer is Oscar Boyd. Thoughts or suggestions? Email us at zeropod@bloomberg.net. 

For more coverage of climate change and solutions, visit https://www.bloomberg.com/green