Thousands of leaders from around the world gathered in San Francisco last week to announce what they've accomplished in the effort to reduce greenhouse gas emissions, and to make new commitments for the transition from fossil fuels.

The transition from fossil fuels affects everything from housing to transportation to building to buying. It can feel like a daunting task.

In this hour-long special report on the Global Climate Action Summit, we explore how to handle the emotions climate change raises, what happened at the summit, and what it meant.

Major commitments: