Sorry but humans do not look like that, sternocleidomastoid or no. Even the shadow makes no sense. Cochlear implants are, implanted, not worn over the ears.
There's many many more pictures like this. They're fake people.
If every single person made some positive change and moved the needle... then nothing else would happen. Because there's profit to be made, the issue is global capitalism. Environmental disaster is just a side effect.