Which of the following best describes the precautionary principle? view available hint(s) which of the following best describes the precautionary principle? we should be cautious about spending money to prevent environmental degradation and should not do so unless there is full scientific certainty that it must be done. a leader should be careful about investing in infrastructure if the principle of the loan required is too high. we should be cautiously skeptical whenever we hear stories about global climate change in the news. we should reduce greenhouse gas emissions because the collapse of the greenland ice sheet is possible, but has a low likelihood of occurring.