You can conclude that the speaker Believes that climate change is a serious manner that needs to be addressed immediately with effective measures to insure the best outcome for planet earth and mankind itself.
A simile is when as or like is used to compare two unalike things. Personification is giving something not human, human characteristics. Irony is calling a big dog tiny. D D A B C I am not 100% sure these are correct. You can always ask your teacher for a redo though.
