Episode 22: Varun Sivaram

On this podcast, Thomas Byrne, CEO of CleanCapital, sits down with Varun Sivaram, a thought leader in the clean energy space. This podcast discusses the bestseller’s new book “Taming the Sun”, which outlines the current clean energy landscape, and the advances needed to unleash it.

Besides being a writer, Varun Sivaram is a physicist and Chief Technology Officer at ReNew Power Ventures, a multibillion-dollar renewable energy firm. He is also a senior research scholar at Columbia University, a board member for the Stanford University Energy and Environment Institutes, and an editorial board member for the journal “Global Transitions”. Previously, Varun was a professor at Georgetown University and is a Rhodes and a Truman Scholar. Dr. Sivaram holds a degree from Stanford University and a Ph.D. from St. John’s College, Oxford University.

Transcript

Ciara - Oh Ft. Ludacris Apr 2026

The song was produced by the Philadelphia-based duo (Andre Harris and Vidal Davis). Its structure is defined by:

While Ciara's airy vocals set the tone, Ludacris' third-verse feature is widely considered one of his most iconic collaborations. Ciara has shared that the verse was so impressive it even prompted a phone call from , who reached out to Ludacris to personally praise his performance. Music Video & Choreography Ciara - Oh ft. Ludacris

"Oh" was a major commercial success, peaking at and No. 1 on Rhythmic and Hot 100 Airplay charts. Internationally, it reached the top five in the United Kingdom and New Zealand. It has remained a staple of 2000s R&B nostalgia, with Pitchfork ranking it at No. 127 on their list of the 500 best songs of the decade. The song was produced by the Philadelphia-based duo

: Set in an Atlanta alleyway block party, the video features cameos from Gucci Mane , Jazze Pha , and Boyz n da Hood . It was nominated for Best R&B Video at the 2005 MTV Video Music Awards. Chart Performance & Legacy Music Video & Choreography "Oh" was a major

: Choreographed by Devyne Stephens , the video featured "intense" street-inspired movements performed by former dancers for Usher and MC Hammer.

Directed by the , the music video further solidified Ciara’s reputation as a top-tier performer.

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