Should you trust a report on science?
This honestly isn't a bad heuristic in a lot of highly politicized areas:
A sign that you might want to trust a source:
If they say, "We're not sure." Or, "The evidence suggests X. But the quality of that evidence isn't too strong, so better research is needed."
A sign that you should be wary of a source:
If they say, "The science is settled."