Five years ago, almost to the day, Greta Thunberg made an apocalyptic claim about the fate of the world, and now we know whether or not it has come true. On June 21, 2018, the then-15-year-old Swedish climate activist sent out an alarming tweet that seemed to imply that due to climate change caused by fossil fuels, we only had five years left before the end of the world. “A top scientist is warning that climate change will wipe out all of humanity unless we stop using fossil fuels over the next five years,” the post read.
