Exploration Highlights (selected):

• Leader of more than 40 expeditions to remote regions
• Led first expedition into Northern Victoria Land, Australia
• Led first glaciological expedition to Nun Kun Massif, Ladakh, Indian Himalayas
• Led first multi-disciplinary scientific expedition to the South Pole

• 250 Peer reviewed scientific publications
• Documented changes in chemistry of the atmosphere produced by humans
• Documented pattern of abrupt climate change events in the atmosphere
• Developed integrated understanding of multiple controls on climate
• Extendede climate records back thousands of years prior to instrumental era
• Demonstrated association between climate and disruptions to civilization

• GISP2 (Greenland Ice Sheet Project 2 – organized and led 25 American institutions
• ITASE (International Trans Antarctic Expedition – organized 20 countries and led US expeditions
• Served on numberous national and international scientific committees (eg: National Research Council, National Science Foundation, International Geosphere Biosphere Project, Scientific Committee on Antarctic Research)

• Mayewski Peak , Antarctica
• Fellow and Citation Winner, Explorers Club
• Fellow, American Geophysical Union
• Honorary Doctorate, Stockholm University

• Invited speaker – 200 university, state, public and private events such as the Forbidden City (Beijing, China), Young Presidents Organization, Explorers Club, Telluride Film Festival, Boston Museum of Science, Swedish Royal Academy of Sciences, Chinese Academy of Sciences, American Museum of Natural History, Lindblad Antarctic cruise
• More than 300 prominent media venues such as Boston Globe, LA Times, NY Times, discovery, Archeology Magazine, WNET Thirteen (Secrets of the Dead – the Lost Vikings), NOVA (Mammoths of the Ice Age), BBC (Ancient Apocalypse)