Dangers of Electric vehicles

Hey everyone, would like to invite you tu take a part in my research about peoples knowledge of the damage  to the enviroment that electric vehicles (further EV's), and why they are being labled enviromently friendly in the media, despite unknowning the real damage. So, thanks for the answers, i hope that we can learn something from this and hopr, that the future of an electic vehicle will be as bright as media and the governments portrait them