emissions, which is the goal, something the u.n. says is critical to avoiding the worst impacts of climate change. joining us now are the authors of that foreign affairs study. e megan o sullivan, a professor of international affairs at harvard university s kennedy school, and jason boar doff, president obama s white house energy adviser who was a founding director of columbia university s center on global energy policy. so it s great to see you two experts here megan, first to you, you and jason are from different sides of the political spectrum. how did your collaboration come together, and what do you see the goal of doing this jason and i have been working together for a few years now, and and it s been a really fruitful collaboration. i would say we complement each other in the sense we re not just from different political backgrounds, he served in the obama administration, and i served in the bush administration we both see the imperative of a transition, an energy