The author didn't write about that in this particular article because, as mentioned and linked in the first line, he has a whole series of space articles. Here

The author didn't write about that in this particular article because, as mentioned and linked in the first line, he has a whole series of space articles. Here's his article about radiation on Mars: https://caseyhandmer.wordpress.com/2019/10/20/omg-space-is-full-of-radiation-and-why-im-not-worried/ https://caseyhandmer.wordpress.com/2019/10/20/omg-space-is-f... And here, on terraforming Mars: https://caseyhandmer.wordpress.com/2018/08/05/atmospheres-and-terraforming/ https://caseyhandmer.wordpress.com/2018/08/05/atmospheres-an... And on the immense infrastructure we'd need for a sustainable colony: https://caseyhandmer.wordpress.com/2020/01/20/what-would-it-be-like-to-work-on-mars/ https://caseyhandmer.wordpress.com/2020/01/20/what-would-it-...