North of Santa Fe, the New Mexico landscape is framed by four high mountains. Although they are sacred to the Tewa Pueblo Indians, the four peaks are in differe

Will McLewin is a British mountaineer who has climbed without guides, the Alpine 4000 metre peaks. His narrative centres on the essential character of the climb

This 30st jubilee volume (2010) of "Palaeoecology of Africa" looks back and reflects the "state of the art" of what is actually known on former African climates