This report was commissioned by the WWF International Arctic Programme to examine the adequacy of the current international governance and regulatory regime of the marine Arctic in light of current and future effects of climate change on the Arctic.

This report presents a wide-ranging review of arctic climate impact science. It spans the width of subject areas, covering impacts on physical and biological systems, as well as on humanity. The report presents the scientific evidence for arctic climate change impacts in review sections, each of which targets a particular arctic system or cross-cutting arctic theme.