We conclude that, on a global scale, no unexpected climate feedbacks operated during the warm Pliocene, and that predictions of equilibrium climate sensitivity (excluding long-term ice-albedo ...

This review focuses on the effects of altitude exposure from 1 to several days or weeks as occurs in tourists, trekkers, and mountaineers who visit high altitude and normally reside near sea level. We ...

Division of Respiratory and Critical Care Medicine, Department of Medicine, Queen’s University, Kingston, Ontario, Canada Correspondence to: Dr D E O’Donnell Division of Respiratory and Critical Care ...