Katie Cielinski and Aaron Regunberg are millennials. But they regard themselves as climate change babies. They came of age as the world was first awakening to the catastrophic impact that people were having on the environment.

Before marrying in 2017, the couple wrestled for nearly a decade with the ethical quandary of whether to bring another human onto an already crowded planet. Katie argued for raising a climate ally, somebody who would fight for a healthy planet, but Aaron feared for the future their child would face.

“We are exiting the stable climatic conditions that have spanned and supported the entire development of human civilization,” Aaron says. “This is a completely unique catastrophe in the lifetime of our species, unlike any that we've