> They can put anything they want into it, even $0. Those pledges aren't even enforced. A country can pledge whatever, and change their mind later.

Sounds like unlimited vacation. If anybody is trying to sell you something that's "free," you're probably getting a bad deal.

Especially if the only reason it's free for other participants is because they don't expect it to be free for you.

I didn't even say anything about global warming, only the fallibility of such an open-ended agreement structure. I wonder why I'll get down-voted hmm...