After the SpaceX explosion last month, debris wasn’t the only thing on the minds of Science Friday listeners. The following messages arrived in our inbox after we reported on the SpaceX explosion a few weeks ago.
It was interesting to hear you discuss 7 space launches in 5 days, and then just moments later the fact that we’re not on track to reduce carbon emissions. My understanding is that rocket launches release huge amounts of carbon and other greenhouse gases. Story idea?—@RevBobIerien, Twitter
Also regarding the 3-D rockets there wasn’t any concern made for space pollution was there? I may have tuned out unhappily before the end. —Juanita H, email
How much carbon do rockets contribute to global warming? —Robert C, email
Very disappointing to hear the report of new “cheaper” 3D-printed rockets are available so that, like fast food pods and big gulps, we can now drop even more cheap shit into the ocean. And, *immediately* following a story about the new report on climate change, what exactly is the carbon footprint resulting from the ability of more people to more cheaply fire rockets into space? —David M, email
Carbon isn’t the big pollutant that comes from spaceflight, says Dr. Eloise Marais, associate professor in physical geography at University College London. Instead, black carbon or soot particles are generated and released directly into the atmosphere, alongside reactive nitrogen and nitrogen oxides.
Dr. Marais joins Ira to talk about how much of an impact increased rocket launches could have on the atmosphere, and how that compares to the auto industry.
Segment Guests
Dr. Eloise Marais is an associate professor in Physical Geography at University College London in London, United Kingdom.
Segment Transcript
The transcript of this segment is being processed. It will be available within one week after the show airs.
Meet the Producer
About Kathleen Davis
@katjacquelineKathleen Davis is a producer at Science Friday, which means she spends the week brainstorming, researching, and writing, typically in that order. She’s a big fan of stories related to strange animal facts and dystopian technology.
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2023-05-05 04:04:31Z
CBMiSGh0dHBzOi8vd3d3LnNjaWVuY2VmcmlkYXkuY29tL3NlZ21lbnRzL3ByaXZhdGUtc3BhY2UtbGF1bmNoZXMtcG9sbHV0aW9uL9IBAA
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