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concrete

6 statements across 3 episodes · 2 bullish · 0 bearish · 3 people on the record · first statement Nov 17, 2022 by Leah Ellis · across every show →

Everything said about concrete, oldest first

Nov 17, 2022 neutral
Assertion Contradicted
Ellis: Contractor labor makes up 90% of installed concrete costs
“What's interesting is that 90% of the cost, the total installed cost of concrete, is actually labor from the contractor.”
Leah Ellis Nov 17, 2022 ▶ 12:05 Fixing cement’s carbon problem
Nov 17, 2022
Assertion Supported
Kann: Global per capita concrete consumption tripled in 40 years
“We actually use three times as much per capita today as we did 40 years ago.”
Shayle Kann Nov 17, 2022 ▶ 4:29 Fixing cement’s carbon problem
Nov 17, 2022 neutral
Assertion Supported
Ellis: Cement is the most produced man-made material globally
“Well, concrete is about 90% rocks and 10% cement, but even so, cement is the most massively produced man-made material in the world, and second most consumed material besides water.”
Leah Ellis Nov 17, 2022 ▶ 6:26 Fixing cement’s carbon problem
May 2, 2024 bullish
Assertion Contradicted
Friedmann: Hundreds of companies convert CO2 into building materials
“Now there's hundreds of companies that turn CO₂ into those kinds of products.”
Julio Friedmann May 2, 2024 ▶ 16:15 CO2 utilization
May 2, 2024 bullish
Assertion Supported
Friedmann: CO2-to-concrete is an exothermic, gigaton-scale market
“So turning CO two into concrete is a gigaton market, and it's not nuts. It actually releases energy.”
Julio Friedmann May 2, 2024 ▶ 16:03 CO2 utilization
Oct 17, 2024
Assertion Contradicted
Leah Ellis: Labor represents 80% of concrete's total installed cost
“The total installed cost of concrete is, is 80% labor, and so even if there's a premium on the cement part, once you roll that into concrete, and then concrete's a very small part of the building, and then, you know, but it is a big part of the carbon footprin…”
Leah Ellis Oct 17, 2024 ▶ 13:59 The complex path to market for low-carbon cement
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