A 12-year-old becomes an environmental activist; the impact of warming temperatures and pollution on fish; the impact of climate change on species like the mosquito and the giant crab; readings by Tina Fey, Jeffrey Wright and Liam Neeson.

The recovery of the bald eagle from near-extinction provides a lesson on how conservation can reverse environmental damage; an environmental activism group for children spreads awareness; weather extremes; protecting newly hatched sea turtles.

Children provide a collection of songs, activism and tips for protecting the Earth; children share their thoughts on environmental issues; scientists talk with children about how organisms are affected by a changing Earth.

Energy use and sustainability; endangered animals; children who work to protect nature; the importance of conservation and habitat protection; readings and performances by Elizabeth Mitchell, They Might Be Giants, Dan Zanes and Willie Nelson.

Children and scientists discuss their thoughts on endangered species and their habitats; stories about honeybees, oysters, turtles, frogs and birds; how to protect the planet and everything on it.

Children from around the world take on big environmental challenges, including endangered animals, pollution and a warming planet.