Mark Fielding

speaker

1,431 appearances 13 recordings 1 series first heard May 2026 last heard 3 Aug

Mark Fielding’s voice in public audio — every appearance, attributed to the second.

Trend

recordings per month · last 12 months

Recordings per month over the last 12 months — 13 in all, peaking in Jun 2026 with 6.

newest first · ▶ plays the moment

What is the environmental impact of getting lithium and copper out of the ground? voice-verified

How are we measuring that environmental impact? voice-verified

And as the thirst voice-verified

for EVs and the electrification of everything just increases, why does it matter so much? voice-verified

Today's guest is Jennifer Dunn. voice-verified

She's a professor of chemical engineering at Northwestern University. voice-verified

And she spent her career trying to answer that very question. voice-verified

So welcome to the show, Jennifer. voice-verified

Thank you. voice-verified

For thinking on paper with us today. voice-verified

Yeah, thanks for having me. voice-verified

We know what's happening in each and every one of these mines. voice-verified

We know what the damage is. voice-verified

We know what the impact is. voice-verified

It's all documented and recorded, surely, isn't it? voice-verified

This conversation started initially about rare earths and they get all of the press, they get all of the Hollywood. voice-verified

It's all about the rare earths. voice-verified

And I think it's because they're called rare earths, but lithium and copper and these other minerals are equally important. voice-verified

Why don't they get the the attention that the rare earths get? voice-verified

Jeremy, spot quiz, how many lithium mines are there in the United States of America? voice-verified

Showing 1321–1340 of 1,431 · page 67 of 72