And that may cause people to change how much they’re doing or to transition from one kind of solar geoengineering to another. And I think people’s track record of being able to predict what will happen is just terrible.
There’s no value-free answer for how quickly we should cut emissions.
So, I think David’s right. Ross Douthat sees American society stagnating amid tired culture wars and a gridlocked political system. As somebody who—I worked on climate my entire career now, 30 years, but I’ve paid attention to other public policy problems, and I just don’t think that’s true.
But in human terms, at this early stage of climate impacts such as rising seas, rampant wildfires, and intensifying storms, the pace of change has been perceived as slow.
That’s the challenge.
If you’re going to allow every individual local person to fight every installation all the way through the court system, you’ll never do it. Now, I’m not saying it’s going to require 200 years.
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And you could imagine the problem with that being ultimately in a democracy, people revolt.
I think that Dan’s question about willingness to pay once the kind of acute human risk is reduced, I think is very real. So when you play this out in these simple integrated assessment models that just allow you to kind of have these knobs, the dollars on carbon looks very high in 2,100 or 2,150 in these models.
Daniel Schrag: I step back from it.
Using 1970s French TGV technology, we should be able to go from New York to Boston in about 45 minutes. 2021 PG Invitational National Championship. That’s very general. That’s extraordinary. David, what is solar geoengineering?
Jonathan Shaw: My last question, for both of you. Very hard to imagine in our current political system.
You can’t do this in 20 or 30 years in a way that maintains things we care about, from health care to human rights. But when you measure it by actual actions, it’s clear that it’s really not at the top of the political agenda, essentially anywhere.
But not all problems have to be the absolute most important problem. Batteries keep getting cheaper as we install them. But it’s an interesting trade-off because it’s also true that societies get more rich, they’re often more willing to pay for things beyond just the most necessary and pay to protect the natural world in more idealistic ways.
THE WORLD'S LARGEST AND MOST COMPREHENSIVE SCOUTING ORGANIZATION. He currently resides in Knoxville, Tennessee, USA. A late drive leads to a legendary ’66 win over Dartmouth. It’s not a single top-down thing, it certainly isn’t just what happens to be in some overarching treaty like the Kyoto Protocol. In this episode, Hooper professor of geology and professor of environmental science and engineering Daniel Schrag, and Gordon McKay professor of applied physics David Keith discuss the nature of the climate change crisis, the choices and tradeoffs in transitioning to a carbon-free economy, and the risks associated with engineered global approaches to controlling Earth’s thermostat.
And I think that’s going to make it very attractive. And if you add alkaline to the ocean, you tend to push the ocean pH back towards pre-industrial and you tend to permanently remove the CO2, so it’s dissolved in the ocean water in a way that’s safe.
By essentially saying, it’s in our fundamental right for preserving us against environmental risks, that we will move forward towards this technology, and that will precipitate the discussion about what actually does happen. The question is, at that point, will people’s willingness to pay for carbon removal persist, even as they become used to the current climate circumstances?
But personally, I only think it would make sense and I would only support using solar geoengineering in combination with deep emissions cuts and the ability to remove CO2 from the atmosphere in some mode where it’s used to reduce the peak, the climate damage during the peak of CO2 concentrations.
Percentile is calculated with your top result against other top results recorded in the same year from players in the same grad year class. Daniel Schrag and David Keith: Can Solar Geoengineering Help Fight Climate Change? A little bit what like London has done with electric taxis.
Forget the Green New Deal, it’s talking about 10 years, let’s talk about 20 or 30 years. And it doesn’t usually grow linearly, it grows in a kind of tipping point way.
Confronting “some of the most challenging images in the history of photography”, Photograph courtesy of the Harvard Art Museums/Promised gift of Robert S. and Betsy G. Feinberg. How are they going to coordinate to actually solve this problem? And I think that is actually quite possible, but it’s very hard to guess when it will happen.
So it’s important to say that the timescale we need to do this for if you’re doing it as part of a strategy with emissions cuts and carbon removal is a century or two.
Big crow hop into throws where carry on throws and arm strength played well. Photograph in the public domain. Art by Niko Yaitanes/Harvard Magazine; images by iStock. Jonathan Shaw: So you may have answered my next question already, but I’ll ask it anyway and see what you say.
We’re tribal, we’re nationalistic, and we’re really bad at long time scale problems. That’s a minimum of roughly 4,000 gigawatts of wind and solar, because the capacity factor between wind and solar average is going to be something like 25%. I mean, I don’t think it’s going to happen in 20, 30 years. And sudden termination effectively requires unanimity, global unanimity among countries of significant scale, in shutting it off.
Sort of like a steady hand on the tiller on a very large ship. I suspect that a lot of New Yorkers would erupt.
Gets good torque through a linear lower half weight shift. And it’s really just in the last 5 to 10 years that we’ve seen, for example, solar and wind emerge as one of the least expensive forms of electricity generation, at least, at low penetration where you don’t have to worry so much about storage or the intermittency of the electricity.
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I don’t mean a revolution. Daniel Schrag: Another nice example for people who live in the northeast is, why is it that we don’t have a fast train?
Unless you do that, the question is ill-posed. ensures that Harvard Magazine can continue to And 20 gigawatts is not nearly fast enough.
Jonathan Shaw: Thank you both for joining us today. I just don’t see that people are going to be willing to make the kind of sacrifices that like World War II required. Climate change is one of the most difficult problems we face precisely because it’s never the most urgent problem.
And so the short timescale of solar geoengineering is one aspect of it that I suspect it makes it incredibly attractive to some political leader in the future.
First, David, how difficult would it be, from a purely technological point of view, to meet all the world’s power needs with renewable energy? But I think somewhere in that range is where we’re likely to see. There’s a big list of physical risks like that.
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