>> even many democrats who support to climate change agenda saw the rollout as absurd. >> i've read it and i've reread it and i've asked what in the heck is this? >> you add up the promises, it's clear it's unaffordable and it's unrealistic. >> some hope more moderate voices emerge. >> the climate debate has been driven by the edges of each party. >> points to the chair of the senate energy committee pushing for technologies like carbon capture storage. >> they start to really enforce against the edges, we will continue to yell at each other. >> others question whether there's urgency at all, the 97% of climate scientists is meaningless. climatologist know the greatest scientific breakthroughs in history have broken with consensus. >> i took a real hard look at climate model output and can