Host: Jorge Salazar
Lead Producer: Mike Brennan

ES 22 Producers: Deborah Byrd, Beth Lebwohl, Ryan Britton, Emily Howard

This week’s lineup:

Earth Day in the year of 7 billion. Andrew Revkin, senior fellow at Pace Academy for Applied Environmental Studies, and writer of the New York Times’ Dot Earth blog speaks with EarthSky’s Jorge Salazar about Earth Day 2011 (April 22) and the environmental implications of a population of 7 billion.

Weird Science. Embarrassment centers in the brain. Ryan Britton reports … and sings.

Image Credit: Celeste Hutchins

Energy. Jorge Salazar talks with Christopher Flavin of The Worldwatch Institute about the future of nuclear energy.

Global Night Sky: Where have all the planets gone? Skywatcher Deborah Byrd talks about looking for the planets in the evening and early morning, and the beginning of a another meteor season.

This week’s musical contributors:

Mother Falcon

The Black and White Years

One Hundred Flowers

Built By Snow

EarthSky 22

Thanks for the great response to EarthSky 22! Tell your friends about the best new science podcast on the Internet - 22 minutes of science and music - direct to you from Austin, Texas. Join producer/host Mike Brennan right here every week for EarthSky 22, brought to you by EarthSky: A Clear Voice for Science.