Greg Barnes
speaker
24 appearances
4 recordings
1 series
first heard Jan 2026
last heard 5 Feb
Greg Barnes’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 4 in all, peaking in Feb 2026 with 2.
Appearances
President Trump says he wants Greenland for national security.
But at least one Trump official has said it's also about critical minerals.
Geologist Greg Barnes knows these minerals well.
I just couldn't believe that something of this size and quality was ever sitting out there.
On the indicator from Planet Money, is this really a land of untapped natural riches?
Listen on the NPR app or wherever you get your podcasts.
President Trump says he wants Greenland for national security.
But at least one Trump official has said it's also about critical minerals.
Geologist Greg Barnes knows these minerals well.
I just couldn't believe that something of this size and quality was ever sitting out there.
On the indicator from Planet Money, is this really a land of untapped natural riches?
Listen on the NPR app or wherever you get your podcasts.
President Trump says he wants Greenland for national security.
But at least one Trump official has said it's also about critical minerals.
Geologist Greg Barnes knows these minerals well.
I just couldn't believe that something of this size and quality was there sitting out there.
On the indicator from Planet Money, is this really a land of untapped natural riches?
Listen on the NPR app or wherever you get your podcasts.
President Trump says he wants Greenland for national security.
But at least one Trump official has said it's also about critical minerals.
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