Eocene

Report: Carbon Levels Could Hit Pre-Human, ‘Palms In The Arctic’ State By Mid-Century

An iceberg captured on camera during a 30-day mission in 2012 to map areas of the Arctic aboard the NOAA Ship Fairweather. (Photo: National Ocean Service)
Current carbon dioxide levels are unprecedented in human history and could reach a level unseen in millennia if their rates continue at this pace, a new report out Tuesday warns.