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27:42

The Long-Lasting Effects of Current Environmental Problems

Lester Brown is the president of the Worldwatch Institute. The organization's latest State of the World report looks into the greenhouse effect, deforestation, and rising sea levels, among other troubling trends. Brown joins Fresh Air to discuss the causes of these phenomena, whether they'll cause permanent changes, and how we can mitigate their effects.

23:03

Scientist Dr. Paul Mayewski.

Dr. Paul Mayewski, chief scientist with the Greenland Ice Sheet Project 2. The project archives tubes of ice extracted from Greenland which chronicle 250,000 years of the earth's atmosphere, and changes in the climate. From the ice, scientists can pinpoint the start of the industrial revolution, or the end of the ice age. Scientists hope, by looking at the ice, they can better understand rapid changes in the earth's climate. (Interview by Marty Moss-Coane)

23:14

Scientist Dr. Paul Mayewski.

Dr. Paul Mayewski, chief scientist with the Greenland Ice Sheet Project 2. The project archives tubes of ice extracted from Greenland which chronicle 250,000 years of the earth's atmosphere, and changes in the climate. From the ice, scientists can pinpoint the start of the industrial revolution, or the end of the ice age. Scientists hope, by looking at the ice, they can better understand rapid changes in the earth's climate. (REBROADCAST from 9/9/93) (Interview by Marty Moss-Coane)

33:30

Climate change researcher Paul Mayewski

An expert in climate change research, Paul Mayewski led the National Science Foundation's Greenland Ice Sheet Project 2. The project extracted ice cores chronicling 100,000 years of climate history. Mayewski, with co-author Frank White, writes about their expeditions in the new book, The Ice Chronicles: The Quest to Understand Global Climate Change (University Press of New England). Mayewski is also co-director of the Institute of Quaternary and Climate Studies at the University of Maine.

42:17

Al Gore Screens His Global Warming Message

For 17 years, former Vice President Al Gore has been on the forefront of warning against global warming. But in his new documentary, The Inconvenient Truth, he says that he "failed to get the message out." He's now getting the message out with his documentary and new book of the same name. The Washington Post calls the book "downright chilling." The documentary has been critically acclaimed.

23:44

Al Gore's 'An Inconvenient Truth'

Former Vice President Al Gore has been on the forefront of warning against global warming for many years. His critically acclaimed documentary on the subject, An Inconvenient Truth, is up for Academy Awards for Best Documentary Feature and Music Written for a Motion Picture. This interview originally aired on May 30, 2006.

18:36

Climatologist: Climate Change Evidence in the Wind

Climatologist Kerry Emanuel, professor at MIT's Department of Earth, Atmospheric and Planetary Sciences, was named one of the world's 100 most influential people last year by Time magazine — in part because of a study he published, a month before Hurricane Katrina, that looked at thousands of hurricanes over several decades and found that the average power of the storms had doubled.

20:55

Gore Sounds Alarm on Global Climate Change

Former Vice President Al Gore has won the 2007 Nobel Peace prize for his efforts to educate people about the threat of climate change. His Academy Award-winning documentary An Inconvenient Truth aims to encourage action and awareness.

This interview was originally broadcast on May 30, 2006.

21:29

James Hansen and Mark Bowen on Censored Science

James Hansen, a leading NASA climate scientist, says the Bush administration has tried to silence his warnings about global warming. Writer and scientist Mark Bowen wrote a book on the affair: Censoring Science: Inside the Political Attack on Dr. James Hansen and the Truth of Global Warming.

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