A note to readers: this is an old post on the archive website for Promethean PAC. It was written when we were known as LaRouche PAC, before changing our name to Promethean PAC in April 2024. You can find the latest daily news and updates on www.PrometheanAction.com. Additionally, Promethean PAC has a new website at www.PrometheanPAC.com.

Part 4 of the Basement's Galaxy Class Series. To understand the climate we experience on Earth we have to know our Galactic environment. As the Solar System travels through the Galaxy–into and out of its spiral arms, above and below the disk, through regions of higher and lower amounts of activity–the Earth's climate system has changed and evolved in response. Our Earth's own history provides a new window into the study of our Galaxy.