IS CARBON DIOXIDE TOXIC?
He [Santorum] also went on an anti-science tear, characterizing environmentalism as “an ideology that puts humans not as stewards of the Earth but as servants of the Earth.” He sneered: “This administration officially labeled carbon dioxide as a toxin. Tell that to a plant! Tell that to all of us who exhale CO2 with every breath. According to Obama we’re all polluters by breathing. Obama sees us all as points of pollution instead of points of potential human beings.”—New York Times, March 14, 2012. Santorum Wins the ‘Very Conservative’ Vote, Again By ANDREW ROSENTHAL