Artic Sea Ice

Arctic Sea Ice News is just one page from the US snow data site. Given the arguments surrounding the extent of ice in 2013, it’s useful to have a place where you can get some reliable data.

IBSCO

IBSCO or International Bathymetric Chart of the Southern Ocean is an umbrella organisation aiming to map the Antarctic regions with a high degree of accuracy. Follow their work on this site and get data and maps.