Okay, here's your list...
Building a passenger train will do ZERO for the environment because nobody will use it.
Just as I keep hitting Leftists with:
Have they personally given up fossil fuels? It’s doable. They haven’t. They’re hypocrites.
I’ve done more about climate change than most concerned about it. Run home & office partly on solar, had an EV. Delightful as hobby, motivating for self-sufficiency, also familiar with the limits - which snowflakes won’t seriously live with.
Of course, hundreds of millions of Indians and Chinese still lack electricity, and it’s coming, via coal.
Any measly “offset” white people enforce upon themselves will be rapidly overwhelmed by what’s going on in other countries.