Aliens, Climate Change, and Deep Time

Exploring the intriguing concept of aliens causing climate change, this chapter challenges the idea of Earth being the only planet with an advanced civilization. It discusses the possibility of pre-human technologically advanced civilizations and delves into the vast history of Earth, contemplating how evidence of human existence might be perceived in the distant future. The chapter also touches on the use of isotopes to interpret past events and raises questions about identifying civilizations through isotopic changes.