This study investigates adolescents' climate change distress and climate denialism profiles with two cohorts (born in 2008 and 2006) using longitudinal data from two waves collected in 2020 and 2021 (N = 3,002). In addition, the explanatory similarity of the subgroups regarding general well-being and pro-environmental behavior was studied. Four profiles were identified. The largest group was named the "normative-carefree" group because they had low climate change distress and climate denialism. Another group named "denialists" also had low distress but higher denial. Both these groups were associated with relatively good well-being. The third group had elevated climate change-related emotional distress and low climate denial and was therefore named the "emotionally involved" group. They engaged in pro-environmental behavior the most. The last and the smallest group was called the "overburdened" because they had elevated distress accompanied by denial; belongingness to the group was related to low well-being. Estimated transition patterns showed that the profiles were unstable within a 1-year span. The results endorse that adolescents' climate change distress is ongoing and developing all the time, rather than being something permanent. The results also show that both climate change distress and climate denialism can co-exist among adolescents.