(Laughter) The other thing is that we had a conference in 2001 that was put on by the National Academy of Sciences that looked at fertilizers, nitrogen and poor water quality.
(웃음) 2001년에는 관련 학회가 있었는데요. 국립 과학 아카데미가 주최한 학회였고 비료와 질소, 낮은 수질 등의  문제를 다뤘습니다.