Catch Alex Steffen live at 8 p.m. PST on KUOW, on Seattle-area radio dials at 94.9 FM or online. You can also podcast the interview anytime after 9:10 p.m PST.

Speakers' Forum producer Jenny Asarnow will interview Alex about his take on the coming climate crisis and the opportunity this challenge presents.

"Alex Steffen says the decisions we make in the next few decades will affect the next thousand generations. Humanity could face environmental Armageddon (an ice free planet and reptile invasions, anyone?) or thrive for another billion years. It's up to us."

Tune in tonight to find out more.