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Catching up with enhanced geothermal
A deep dive into Fervo's geothermal breakthrough: slashing costs, scaling up, and uniting the political spectrum behind always-on clean power
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David Roberts
15
1:09:42
How to cram EV fast chargers into tight urban spaces
NYC’s Revel is trying to build urban EV fast chargers and demand for those chargers (in the form of its own EV rideshare network) simultaneously. In…
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David Roberts
5
1:11:09
We are closing in on zero-carbon cement
Making cement -- the most commonly used substance on Earth after water -- is responsible for 8% of global carbon emissions. It generates CO2 both…
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David Roberts
27
1:08:54
The cheapest way to permanently sequester carbon involves ... fizzy water
In Iceland, a company is carbonating water (like with a SodaStream!) and injecting it underground, where the CO2 mineralizes & becomes rock. How much…
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David Roberts
6
59:25
The Volts/Catalyst pod crossover you didn't know you were waiting for
That's right, folks, it's the crossover event of the century. In today's episode I talk with veteran cleantech investor Shayle Kann, host of the…
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David Roberts
9
1:04:15
A super-battery aimed at decarbonizing industry
Storing electricity as heat! It's so, uh, hot right now. I talk with the head of a company that makes a thermal battery that outputs either heat or…
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David Roberts
6
1:05:52
How to accelerate rooftop solar & household batteries in the US
Sunrun is the biggest residential rooftop solar installer in the US, and recently they've added batteries and EV chargers to their offerings. I talk…
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David Roberts
13
1:09:45
Grid-scale batteries do not currently reduce emissions. Here's how they could.
It might come as a surprise to you that batteries attached to the grid today do not reduce carbon emissions -- in fact, they usually do the opposite…
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David Roberts
8
55:17
Voluntary carbon offsets are headed for a crash
Carbon offsets — whereby one party pays another party to reduce carbon emissions — have always been dodgy, but now they are threatening to undermine the…
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David Roberts
15
1:08:11
The depthless stupidity of Republicans' anti-ESG campaign
The Republican Party's latest enemy is ESG (environmental, social, and governance) investing. The right's billionaires have funded an extraordinary…
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David Roberts
6
1:05:49
Making shipping fuel with off-grid renewables
ETFuels couples giant off-grid renewable energy installations with electrolyzers to make green hydrogen; it then uses the green hydrogen to make…
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David Roberts
5
1:01:24
How to make small hydro more like solar
A new startup called Emrgy is trying to make small-scale hydro work by developing standardized small generators that they drop into canals. (Turns out…
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David Roberts
6
1:03:33
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