1) If we don't take care of our planet 2) Our cities will get cleaner when 3) If the ice caps melt 4) Unless we recycle more 5) Natural disasters will be common if 6) if we don't have the internet 7) If robots rule the world 8) If I pass this course 9) Humans will be replaced if 10) We will not be able to drink water if  11) If countries collaborate on climate policy, 12) If universities are free

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