On a September day in 1863, Abdul Hamid entered the Central Asian city of Yarkand. Disguised as a merchant, Hamid was actually an employee of the Survey of Indi

"Excellent ... packed with information and interesting anecdotes."--The Washington Post A groundbreaking new look at Himalaya and how climate change is re-casti

The earth’s cryosphere, which includes snow, glaciers, ice caps, ice sheets, ice shelves, sea ice, river and lake ice, and permafrost, contains about 75% of t