EarthSky 22: Climate, cicadas, population growth, green flash

A new report on America’s Climate Choices, the return of the 13-year cicada, science of population growth, how to see a green flash. Plus new music…

Host: Jorge Salazar
Lead Producer: Mike Brennan

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

This week’s lineup:

America’s Climate Choices Jorge Salazar talks with William Chameides, dean of the Nicholas School of the Environment at Duke University. In 2008, at the request of the U.S. Congress, the U.S. National Research Council organized a series of studies designed to create recommendations on what should be done about climate change. Dr. Chameides is vice chair of the Committee on America‚Äôs Climate Choices, which oversaw the studies whose results were released in May 2011.

The return of the 13 year cicada! Ryan Britton explains why this noisy insect has been underground for so long and what to expect this year.

The science of human population growth. Beth Lebwohl speaks with Christopher Small, of the Lamont Doherty Earth Observatory at Columbia University in New York. He uses census and night-light data to analyze how cities physically grow and connect.

Image Credit: NOAA

Global Night Sky with Deborah Byrd. Deborah tells you how you might be able to see the legendary green flash and explains this sunset phenomenon.

This week’s musical contributors:

The Bright Light Social Hour

The Black and White Years

One Hundred Flowers


The Boxing Lesson

EarthSky 22