Okay, so maybe she does have a certain penchant for hyperbole.
In any case, it oughtn't be surprising that she took Earth Day as an opportunity to air her views on global warming on the House floor. Ms. Bachmann doesn't seem to be too concerned with carbon, given that that there isn't a single report that exists that says it's harmful (false) and that it only makes up 3% of the world's atmosphere (also false). (Truth be told, if carbon indeed did make up 3% of the atmosphere, most living organisms would see the error of the former point.)
All this and more below (via Think Progress):