San Francisco (AFP) – TikTok is serving up misinformation to users searching for news about politics, climate change, Covid-19, the war in Ukraine and more, according to a report released Wednesday. Toxicity and false claims are a “significant threat” at TikTok, which is becoming a go-to online venue for young people to search for information, according to a study by NewsGuard, a media watchdog. NewsGuard describes itself as a “journalism and technology tool” that rates the credibility of websites and online information. “Even when TikTok’s search results yielded little to no misinformation, t…