4.8 • 739 Ratings
🗓️ 20 February 2020
⏱️ 28 minutes
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0:00.0 | Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory, |
0:05.2 | we're asking the reason alien civilizations might be rare is because most aliens are huge. |
0:10.5 | To hear it and every episode early and ad-free, plus hours of bonus content, check out |
0:15.5 | go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur. |
0:20.2 | This video is sponsored by CuriosityStream. |
0:23.5 | Get access to my streaming video service, Nebula, when you sign up for CuriosityStream |
0:28.2 | using the link in the description. |
0:31.1 | Humanity has a way of altering and even severely damaging our environment and climate, |
0:36.1 | and it would be nice to be able to avoid doing |
0:37.8 | that, or at least mitigate the problems it causes, so let's see what's in our toolbox. |
0:53.4 | So today we'll be looking at ways to mitigate, reverse, or even amplify climate |
0:58.3 | changes using only near-term technologies, which for SFIA usually means we either have the |
1:04.1 | tech today or it is comfortably on the radar. |
1:07.7 | If you're a channel regular, you won't be surprised that we won't be focusing entirely |
1:11.8 | on carbon dioxide-based climate change or even just man-made approaches, and you also won't |
1:17.1 | be surprised that a lot of the solutions we discuss involve mega-engineering we've looked |
1:21.6 | at for terraforming other planets. |
1:24.3 | For those of you who are new to the channel, a lot of the concepts we discuss can seem |
1:28.5 | rather over-the-top at first glance, but are always rooted in hard science, or in short |
1:34.5 | form, welcome to SFIA, where we'll cheerfully discuss how to use hydrogen bombs to save |
1:40.7 | the environment. |
1:42.7 | Now climate change is inherently a politically controversial topic and we'll be doing our best |
... |
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