Daniel Ackerman

Audio Journalist, Marketplace · 1 appearance on the record.

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journalistscientisthost@BurOak5 ↗danielackermanwriter.com ↗

Holding a Ph.D. in climate change ecology from the University of Minnesota, Daniel Ackerman reports on the economy, climate change, and technology for public radio outlets like Marketplace. He produced and reported on climate solutions for Gimlet Media's How to Save a Planet and covers deep-sea mining.

5statements → 5claims → 5claims resolved → 80%fully supported → 4/5average certainty → 1.4/5average debate potential →

4 supported 0 partly supported 1 contradicted how the 5 claims stand · each chip opens the sources

5 assertions · every statement was checked. The predictions and assertions are the 5 claims: statements the public record can support or contradict. 5 are resolved. Everything else (opinions, insights, what ifs, disclosures) can never be settled by the record, so it carries no assessment.

The record, in short

What the tape says about how Daniel argues and how the claims held up. Everything they said, and everything said about them, is in the tabs below.

Their most notable supported claim

Assertion Supported
Ackerman: Current battery tech is too costly and resource-constrained for entire grid
“But with our current battery technology, it would just be way too expensive To back up the entire electric grid. Plus, it would require more materials like lithium and cobalt than we have sitting around right now.”
Daniel Ackerman Jul 1, 2022 ▶ 5:49 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?

Their most notable contradicted claim

Assertion Contradicted
Ackerman: Hydrostor's underground cavern pressurizes air to six atmospheres
“Water sitting up top, the air deep down below underground in the cavern, and that air is pressurized to six times the pressure of Earth's atmosphere at sea level.”
Daniel Ackerman Jul 1, 2022 ▶ 24:07 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?

Everything Daniel Ackerman said on Catalyst that made the record, most notable first. Filter by type, assessment or year in the ledger →

Assertion Supported
Ackerman: Current battery tech is too costly and resource-constrained for entire grid
“But with our current battery technology, it would just be way too expensive To back up the entire electric grid. Plus, it would require more materials like lithium and cobalt than we have sitting around right now.”
Daniel Ackerman Jul 1, 2022 ▶ 5:49 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?
Assertion Supported
Ackerman: Molten salt storage delivers 80% to 90% round-trip efficiency
“And these molten salt tanks, they are quite efficient. You get back about 80 to 90% of the energy you put in.”
Daniel Ackerman Jul 1, 2022 ▶ 34:45 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?
Assertion Supported
Ackerman: Northfield Mountain pumped hydro can power 1M homes for 8 hours
“Len told me that when the reservoir at Northfield Mountain is pumped full of water, it can be used to power about a million homes for eight hours.”
Daniel Ackerman Jul 1, 2022 ▶ 18:47 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?
Assertion Supported
Ackerman: Northfield Mountain pumped hydro achieves roughly 75% efficiency
“Of the energy that it takes to run all the pumps and stuff at Northfield Mountain, they get about 75% of it back.”
Daniel Ackerman Jul 1, 2022 ▶ 19:10 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?
Assertion Contradicted
Ackerman: Hydrostor's underground cavern pressurizes air to six atmospheres
“Water sitting up top, the air deep down below underground in the cavern, and that air is pressurized to six times the pressure of Earth's atmosphere at sea level.”
Daniel Ackerman Jul 1, 2022 ▶ 24:07 How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem?

Appearances (1)

EpisodeDateSpeaking time
How to Save a Planet: Spark Tank! How Do We Solve the Energy Storage Problem? Jul 1, 2022 13m
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