Isn't there a couple of Democrats in the Senate (who also happen to be anti-green due to blatant conflict of interest - why the hell is a senator with financial

Isn't there a couple of Democrats in the Senate (who also happen to be anti-green due to blatant conflict of interest - why the hell is a senator with financial interests in coal allowed??) who refuse to allow the majority to do away with the filibuster that forces the need for a supermajority? So nobody has a majority?