The Ledger, every show

“Space launch is getting cheaper faster than solar. Only, only two things in history have gotten cheap faster than solar to date, which are computing and gene sequencing or gene printing. But right now, we're in a phase where the cost of space launch is actuall…”

“But the bad news is we have missed 1.5 degrees C, and I don't know how to say this anymore clearly, because there are people that will tell you that we might hit it. The odds of that are minuscule.”

“Sales of gasoline-powered cars peaks? Anybody have a guess? 2017, 20 18. It happened already.”

“If you look at, you know, some real darlings of The tech VC world, companies like Uber, or Lyft, or WeWork, you see companies that have burned through an enormous amount of capital, far more than most cleantech companies ever have or ever will.”

“The way to actually do it is microwaves, but the problem with microwaves is if you want to hit a target on Earth, you need these kilometer square arrays in space, and no one's ever built anything of that size in space.”

“Today if you look at IPCC's numbers, all greenhouse gases account for about three watts per square meter of warming. That's human activity. The sulfur aerosols we're already emitting from ship fuels, from diesel engines, from coal plants, low altitude, they ca…”

“We saw this retrenchment of venture capital, and maybe it peaked around 2008, something like that, and by 2015, the dollars flowing per year had dropped by a factor of four or five, and especially for the earliest stage deals.”

“Steel is like eight percent of global carbon emissions. It's three times aviation.”

“If you go back, 2004, the world was spending maybe fifty billion on cleantech, very broadly defined. Now we're spending well north of five hundred billion.”