Arctic Passages. By Kieran Mulvaney. Island Press; 240 pages; $30 and £24. Ends of the Earth. By Neil Shubin. Dutton; 288 ...

Emperor penguin populations are falling much faster than expected. Ice is melting beneath their chicks before they’re ready.

From wildlife watching to cultural immersions, travellers can learn about this land from the people who have been here the ...