Climate change deniers have spread misleading content on Facebook, exploiting a loophole offering exemptions for opinion content.
One group trying to take advantage of the social network's policy is the CO2 Coalition, a non-profit with ties to the Trump administration that has been locked in a dispute over fact-checking on Facebook since last year...
The news also comes after an academic study from researchers at George Washington University suggested fringe science, including anti-vaccination views, is more effective at attracting an audience on Facebook than legitimate sources of information.