Audio3:26
Rock A Lingua

La Tierra, Lugares y Animales (Places and Wild Animals)

K - 8th
¡Esta tierra está enferma! Beginning Spanish learners learn more about the ways pollution affects rivers, forests, oceans, and the animals that live in these habitats with a catchy and informative song.
Audio
PBS

Pbs Learning Media: Inexpensive Inventions and the World's Poor: Earth Sky

9th - 10th
Environmental scientist Ashok Gadgil is perhaps best known for his inventions which include an ultraviolet water purifier that can provide clean, cheap water for a thousand people per day and an inexpensive, ultra-efficient cooking stove...
Audio
Science Friday Initiative

Science Friday: Earth Day and the Environment

9th - 10th
Next week marks the 40th anniversary of Earth Day. Has it made a difference? [23 mins. 46]
Audio
Science Friday Initiative

Science Friday: Denis Hayes on Being Green

9th - 10th
One of the founding fathers of Earth Day talks about sustainability and his push for renewable energy.
Audio
Science Friday Initiative

Science Friday: A Quake That Shook the World?

9th - 10th
An audio lecture exploring how a powerful earthquake in Chile may have shifted the Earth's axis and changed the length of a day. [12:02]
Audio
Science Friday Initiative

Science Friday: Did Life Start in Mica?

9th - 10th
A biophysicist discusses her hypothesis that in the early days of Earth, organic compounds needed for life may have been synthesized in the tiny spaces between sheets of mica rock.

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