Oil spill governance in the United States debates is illustrated in the question "who is liable in the case of a vessel spill?" The cargo owner or the ship operator/ owner? Another significant issue was the interaction of domestic legislation and international measures. In 1980's, international agreements being considered would take over oil spills federal and state laws adding further complexity to party liability. However, after the "Exxon Valdez" incident, the short comings of the patchy framework for oil spill governance was apparent and growing pressure placed on lawmakers resulted in the establishment of the more comprehensive Oil Pollution Act of 1990. The Oil Pollution Act (1990):
Oil spill governance in the United States implementation of international oil spill treaties into domestic legislation discussed earlier provides further evidence of the shift to a more governance based approach. Oil spill governance in the United States Oil spill governance in the United States is governed by federal law. The governance framework for oil spills in the United States prior to the Oil Pollution Act (OPA) of 1990 lacked proper consolidation and proved to be inadequate in preventing and responding to oil spillages. A timeline produced by the World Resources Institute (WRI) highlights some key events in oil drilling governance and regulatory system that ultimately govern oil