We are now at the point where everything matters. Industry is responsible for about 21% of GHG emissions globally (more than transportation!)[1]. Reducing that by using simpler technologies is a good thing to look into.
Do you really need to replace your perfectly functional doorbell with a big pile of electronics? Probably not. Would not driving to work every day make a bigger contribution? Yes. Would not doing either be best? Yes.
Do you really need to replace your perfectly functional doorbell with a big pile of electronics? Probably not. Would not driving to work every day make a bigger contribution? Yes. Would not doing either be best? Yes.
[1] https://www.epa.gov/ghgemissions/global-greenhouse-gas-emiss...