"Contrary to popular accounts, very few scientists in the world - possibly none - have a sufficiently thorough, "big picture" understanding of the climate system to be relied upon for a prediction of the magnitude of global warming. To the public, we all might seem like experts, but the vast majority of us work on only a small portion of the problem"

This quote by Roy Spencer suggests that despite the common belief, extremely couple of researchers have a comprehensive understanding of the environment system and its results on international warming. He implies that the public may believe that all scientists are experts on the topic, but in truth, most of them only work on a small part of the issue. This quote highlights the complexity of the climate system and the difficulty of predicting the magnitude of global warming. It also serves as a suggestion that the general public must be cautious when relying on the forecasts of scientists, as they may not have a full understanding of the climate system.