Exploring the benefits that big trees bring to ecosystems, and the differences between trees in the rainforest and the city.
SciGirls is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio. ...
The SciGirls create a computer animation urging kids to take positive action.
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