University of Maine Professor Paul Mayewski is one of a group of Maine scientists who are learning about global warming in far off places such as Patagonia and Greenland.

Mayewski drills cores of ice from glaciers that, in some cases, are melting faster than researchers can keep up. The cores tell the history of the earth’s climate and its atmosphere. His work has helped scientists understand the relationship between carbon dioxide and temperatures over hundreds of thousands of years.

Mayewski, director of the UMaine’s Climate Change Institute, is scheduled to appear on the Sunday, April 1 edition of the CBS News program “60 Minutes.” The show begins at 7 p.m.

CBS correspondent Scott Pelley and his crew spent 10 days with Mayewski earlier this year, during a research expedition to Chile, Argentina and Antarctica, according to the university. Last year, Mayewski was in a “60 Minutes” episode based on climate change research in the Arctic.

Mayewski, who last year received the first-ever Medal for Excellence in Antarctic Research from the Scientific Committee on Antarctic Research, was recently a featured speaker at the Explorers Club annual dinner in New York City.

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