Swedish climate activist Greta Thunberg, center, poses for a group photograph with youth climate activists on the fringes of the U.N. Climate Summit, in Glasgow, Scotland, Monday, Nov. 1, 2021. Many first-year college students who are roughly the same age as Thunberg are concerned about climate change, the effects of the pandemic and mental health issues, according to the latest Mindset List. (Scott Heppell/AP Photo)