Call it the Climate Generation. Its members born since 1989, it’s the demographic cohort with the most to gain from climate action and the most to lose from inaction. The Monitor sent a team to four continents to report for the better part of a year. In this “making of” episode, guest host Clara Germani, the project’s leader, speaks with staff writers Sara Miller Llana and Stephanie Hanes about the just-finished series’ motivations, its shaping (and reshaping), and its careful, often complicated execution.