At Friday’s joint hearing of two House Energy and Commerce Committee subcommittees, Jackson addressed familiar questions, most of them from Republican lawmakers. How would you describe carbon? 'As black carbon soot,' Jackson answered in part. Is the EPA reviewing farms and particulate-matter pollution that can be kicked up in dust? Not really, Jackson said. 'EPA recognizes that dust happens.'"
"EPA Chief Lisa Jackson Perpetually on Capitol Hill Hot Seat"
Source: Wash Post, 03/14/2011