From petro-masculinity to electric trucks: why men disengage from climate action and what might bring them back.

Mike Smith had been a US fighter pilot for more than a decade when he took what he describes as a 'hard turn' out of the navy.

He decided to trade a life of deployment, fighter jets and cruise missile operations for one of planting trees and sustainability.

Though he didn't realize it at the time, the seeds for that change of pace and path were sown when he was just nine and watching a mega-fire burn through forest near his home in central Idaho.

The Lowman fire wasn't enormous by today's standards, but to a boy raised in the outdoors it felt apocalyptic. The blaze burned so fiercely it formed what looked like a nuclear mushroom cloud.