IF THERE WASN'T ANY COAL, we wouldn't be able to argue here. Nopitee nope and not at all. There would SUDDENLY be a huge energy vacuum that would devastate almost everything. Except Berkenstocks and tofu.
It's ironic that the post you were replying to has a source cited, isn't it? Several sources to what the top scientists say have been cited here. The only question I have is, why are they always ignored?