House Energy and Commerce Ranking Member Henry Waxman (D-CA) and Energy and Power Subcommittee Ranking Member Bobby Rush (D-IL) sent a letter March 21 to chairmen Fred Upton (R-MI) and Ed Whitfield (R-KY) asking that the committee hold a hearing on a March 2 Science article showing that CO2 deposition is causing oceans to acidify more rapidly than previously thought. The study, The Geological Record of Ocean Acidification, concluded that ocean acidification is increasing 10 times faster than at any other point in the past 300 million years.