They don't directly kill people; they make people allergic to mammal meat, so that they can't eat that any more.
The public land sales are now supposedly out of the bill, which is currently stalled as they try to get 50 Republican Senators to vote to set a time limit on debate
Their paymasters are very unsure about wanting humanity to survive:
Douthat: I think you would prefer the human race to endure, right?
Thiel: Uh ——
Douthat: You’re hesitating.
Thiel: Well, I don’t know. I would — I would ——
Douthat: This is a long hesitation!
Thiel: There’s so many questions implicit in this.
Douthat: Should the human race survive?
Thiel: Yes.
What they did was impose the foreign-sourced-critical-materials excise tax on wind and solar based on percentages that aren't attainable because they cut off support for US manufacturing of those materials and components (eg: magnets and solar cells)
It's in the bill text, not any article that I've seen.
No, but it means you won't be able to eat the rich.