https://apnews.com/724b626171be4e76a7ed51bbfc11b406

BERLIN (AP) — Researchers from more than a dozen nations prepared Friday to launch the biggest and most complex expedition ever attempted in the central Arctic — a yearlong journey through the ice they hope will improve the scientific models that underpin our understanding of climate change.

The 140-million euro ($158 million) expedition will see 600 scientists from 19 countries including Germany, the United States, Britain, France, Russia and China work together in one of the most inhospitable regions of the planet.