The environments in space habitats and on the Earth are both closed-loop systems, only on vastly different scales. When you purchase through links on our site, we may earn an affiliate commission.

This is Fix the Planet, the weekly climate change newsletter that reminds you there are reasons for hope in science and technology around the world. To receive it in your inbox, sign up here. This ...

Earth Day is an excellent time to assess our connection to Earth, and things we can apply to our daily lives that will better the planet. When we take these actions, there are beneficial side effects, ...