So far, most of our conversations about disinformation have been about politics, the 2020 election and, during the pandemic, misleading posts about COVID-19 and the vaccine. Facebook and Twitter have gotten more aggressive about fact-checking, labeling and removing posts or accounts that misinform the public about those two topics. But now, there’s growing concern about climate misinformation. In some cases, coming from a lot of the same old sources either denying that climate change is caused by humans, downplaying its impact or spreading conspiracies about it. “Marketplace Tech” host Molly Wood speaks with Erin McAweeney, a senior analyst at Graphika. She said the fracking discussion in last year’s presidential debate and the 2020 wildfires both led to spikes in climate misinformation.