Earth & Sky

For the Graham Nash album, see Earth & Sky (album).

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Since its initial broadcast in 1991, the Earth & Sky radio series has presented daily information about science and nature to radio listeners from around the world. Earth & Sky's stated mission is to be a "clear voice for science."

Earth & Sky is the creation of veteran radio producers and on-air personalities, Deborah Byrd and Joel Block, whose program "Star Date" began broadcasting in the U.S. in the late 1970s.

Joel Block and Deborah Byrd. Their signature sign-off is, "We're Block and Byrd for Earth and Sky."

Earth & Sky currently presents 90-second and 60-second radio spots (called "modules") on a wide variety of scientific topics, communicating through terrestrial radio as well as satellite radio and internet radio. Earth & Sky is aired one or more times daily on more than 1,000 commercial, NPR, and other public radio stations, 80 affiliates stations for the sight-impaired, and across 35 channels on both XM and Sirius satellite radio in the United States. Abroad, the programming is heard on American Forces Radio, Voice of America Radio, World Radio Network, and others.

The information on Earth & Sky comes directly from scientists. The journalists who produce the Earth & Sky radio program and web site speak to several scientists each day, dozens each week and hundreds each year. More than 500 scientists have joined Earth & Sky as volunteer advisors. Earth & Sky science advisors suggest content, give feedback, recommend other experts, and review scripts for accuracy before they are recorded for broadcast.

Earth & Sky features many different fields of science. In 2006, its focus is on Nanotechnology, Women in Science, Observing Earth, Astrophysics and Space, and Human World.