Where are you getting this information? I'm not an expert so I won't cite anything as fact, but there are multiple studies from independent authorities that do not support your statement. As I understand it, manufacturing processes have reached efficiencies, especially in the US, to the point where CO2 emission and waste produced during EV manufacturing is comparable to what's produced for ICE car manufacturing. Factoring in that EVs don't produce tailpipe emissions as opposed to an ICE car that is spewing emissions during its lifetime, the case seems to be pretty strong that EVs are better for the environment. Maybe 10 years ago this was less true when manufacturing processes were still nascent, but I think it's gotten a lot better now and continues to improve as the technology matures. As far as disposal goes, ICE cars aren't exactly free of hazardous substances so the argument can be made that disposal of ICE cars pose much of the same environmental risks as EVs. In terms of the battery, the ideal is to repurpose or recycle them at end of life. Hopefully, that will be the case, but again, this is pretty new tech we're talking about so development still needs to happen in this area. But that doesn't mean EV tech is a failure.