There was, however, a difference of opinion as to whether the convention should cover clearly circumscribed activities and not situations, such as air pollution, which was insidious and might have cumulative effects.
不过，在这项公约是否应当包括明确规定的活动而不是隐伏的和可能产生累积效应的情况（例如空气污染）这一问题上，存在着不同意见。