Did Swedish environmental activist Greta Thunberg say the "world will end in 2023" in a deleted tweet from 2018? No, that's not true: She cited an article authored by another person, using quotation marks, and her tweet did not contain the words the "world will end in 2023."
Greta Thunberg deletes 2018 tweet saying world will end in 2023 after world does not end
Here is what it looked like at the time of writing:
(Source: Postmillennial screenshot taken on Wed Mar 15 16:04:12 2023 UTC)
The article contradicted its own headline. The first paragraph of the story cited the tweet in question, but had a different wording:
'A top climate scientist is warning that climate change will wipe out all humanity unless we stop using fossil fuels over the next five years.' Thunberg's post read from 2018.
(Source: Archive screenshot taken on Wed Mar 15 16:08:08 2023 UTC)
Other Lead Stories fact checks about Greta Thunberg can be found here.