100 businesses are responsible for 70% of fossil fuel use. doing what you can is great, but it won't make a difference unless businesses change as well.
if you somehow told the companies to stop burning oil and carbon most world trade would stop, and they would have to take peoples cars a away
Yes we could reduce the impact (burn cleaner diesel on ships, avoid contrails) but this is not 100 evil companies that need to be taught a lesson - this is all of us, billions of humans and our default lifestyle
Even if I manage to find somewhere that I don't need it, a ridiculous amount will be used behind the scenes for everything else I need. Or there will be 100 others who can't get into that situation.
I'm not living a lavish life where I can just cut back much either. I'm living a barebones one and still cutting it close financially despite being a developer.