As the Waxman-Markey Climate Bill nears a vote in the U.S. House of Representatives, environmental groups are "teetering at the edge of existential crisis," writes Josh Harkinson. "Almost all environmental groups agree that Waxman-Markey is far from ideal," but some are supporting it, while others "believe the bill is so deeply flawed it might actually make matters worse." Critics say the bill "lines the pockets of polluters with little to show for it.