Experts are certain 2023 will be 'the warmest year in recorded history' After the warmest autumn ever, researchers are confident 2023 will be the hottest year on record before it has even finished. https://cdn.mos.cms.futurecdn.net/wpRjjRrofZ7CJR5f8e8feD.jpg https://www.space.com/2023-warmest-year-in-history