Rock A Lingua
La Tierra, Lugares y Animales (Places and Wild Animals)
¡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.
PBS
Pbs Learning Media: Inexpensive Inventions and the World's Poor: Earth Sky
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...
Science Friday Initiative
Science Friday: Earth Day and the Environment
Next week marks the 40th anniversary of Earth Day. Has it made a difference? [23 mins. 46]
Science Friday Initiative
Science Friday: Denis Hayes on Being Green
One of the founding fathers of Earth Day talks about sustainability and his push for renewable energy.
Science Friday Initiative
Science Friday: A Quake That Shook the World?
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]
Science Friday Initiative
Science Friday: Did Life Start in Mica?
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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