Whenever I say this I get gang downvoted by people on this site.

What most fail to understand is they are contributing to the emissions of shell and other major contributors to global warming by purchasing or using anything which relates to their products.

The wealthy humans can afford to avoid these products, but they cop out. Personally I've bought a second hand electric car and gone vegan over the last 18 months. It's more expensive than not changing my car but I could afford it and now I don't support the oil industry at all. Next on my list is my natural gas house boiler.

I've had people say 4 return flights a year isn't many flights and isn't a factor to climate change, especially compared to businesses which fly employees everywhere. Madness