When his father put an old Argus rangefinder in his hands at 17, Mitch Dobrowner’s life changed. Already the owner of two Corvettes and a Harley, bought with money earned from a job at a gas station, teenage Mitch was showing signs of a wild streak his father worried might lead to trouble.

The majority of glaciers on the Tibetan Plateau are shrinking rapidly, according to a comprehensive study published this year. Photographer Sean Gallagher recently visited the region to document how rising temperatures have affected the vulnerable communities and ecosystems on “the roof of the world.”

Camille Seaman is known for her dramatic images of icebergs that reveal the beauty of these ancient yet threatened objects. Since 2008, she has focused on producing powerful images of storm clouds brewing throughout the Midwest, in what she considers an extension of her iceberg work.

Before the movie “Twister,” before the Discovery Channel started running specials on storm chasers, before the channel even existed, Jim Reed was fascinated with weather. He has been photographing the weather for 21 years, but it all started when he was a kid growing up in Illinois.