...there's absolutely no upside to telling Americans that dumping tons of pollutants into the atmosphere is going to have a bad effect, so researchers on one side who are going where the data takes them and researchers on the other who are paid handsomely to find out that there's absolutely no problem with spewing ever-growing quantities of hydrocarbons into the atmosphere.
Really? Where are these unbiased researchers getting their funding? Further, how much funding do you think they get the year after they tell us everything is doing fine? A terrified public anxious for answers keeps money coming in. There's certainly at least the potential for bias on either side of the issue.