The Independent | Blast from air guns used in hunt for oil killing plankton and threatening marine ecosystems, scientists warn The Independent Air guns used to explore for oil below the seabed appears to kill off vast amounts of plankton and krill – upon which much of the marine food chain depends – up to 1,200m from the site of the blast, according to a new study. The research was published ... Air guns used in offshore oil exploration can kill tiny marine life |