Carola Rackete of Sea-Watch 3 spends her days dodging the law in an attempt to save lives in the middle of the Mediterranean Sea.

Over nearly three decades, Apa Sherpa has witnessed the effects of a warming climate and an overcrowded peak.

Kristy Frazier has spent most of her life in a nature-lover's paradise. She never imagined it would one day turn into hell.

Mike Rosmann left seminary to become a clinical psychologist for farmers. Now, as historic flooding ravages the Midwest, he's never been more overwhelmed.