Task: Translation
Input (English): Mr President, in the course of the last few years there has been a succession of serious tanker disasters world-wide and the countermeasures taken have either been ineffective or not worth mentioning.
Output (Spanish): Señor Presidente, en los últimos años los petroleros han causado repetidas catástrofes en todo el mundo sin que se hayan adoptado medidas apreciables o eficaces para evitarlas.