Claim: Greta Thunberg said in 2018 that the world would end in five years' time.
Fact-check: Greta Thunberg didn't predict the world would end in June 2023 - Full Fact
Verdict: ms thunberg did quote an article which inaccurately claimed a climate scientist had said climate change would "wipe out humanity" if the world didn't transition away from fossil fuel use within five years, but she didn't claim that the world would end in 2023.
Organisation: Full Fact
Author: Hannah Smith
Date published: 2023-06-23T00:00:00