The Senate could not muster the votes to block a filibuster of the Climate Security Act and with that Harry Reid took the bill off the floor, ending any realistic prospect of passing the first global warming legislation of note.
To some degree this fate is a product of the polarized atmosphere, not just in our Congress, but throughout the country. With roughly 80% of our senators claiming to be creationists (who tend to disregard scientific conclusions), the “base” oriented Republicans could not accept the bill without risking the alienation of critical constituents, including powerful utility companies. (This is the reason that McCain distanced himself from the bill after sponsoring it’s predecessor six years ago.)
On the other hand the bill’s heavy backing of the nuclear industry alienated many environmental groups and several senators in favor of legislation addressing global warming risked alienating environmental interests for backing the bill as it was presented on the floor.
Before it became the captive to various interest groups Congress was regarded as a sort of milieu of compromise. Congressional leaders were people who could get deals done through astute negotiations and compromise. Now, with the various rating systems which rate according to yes or no votes on designated bills, the notion of succeeding through compromise is being replaced by evaluation according to the zealous advocacy of special interests. This is a good example of how the people fare in such a system.