There are definitely positives and negatives. This may have been mentioned in part due to this recent discussion: The far-reaching effects of air conditioning

There are definitely positives and negatives. This may have been mentioned in part due to this recent discussion: The far-reaching effects of air conditioning | https://news.ycombinator.com/item?id=14485962 https://news.ycombinator.com/item?id=14485962