“I like it because we’re helping the universe and we’re being responsible.”

It’s a tall order for a Friday, but Damien Otero, a third grader at PS 188 on the Lower East Side, speaks with conviction as he points to the composting bin in his school cafeteria. Otero is a Cafeteria Ranger, one of several lunchroom leaders who helps their fellow students throw their trash away into the appropriate sorted bin.