Paleobiologist Anthony D. Barnosky weaves together evidence from the deep past and the present to alert us to the looming Sixth Mass Extinction and to offer a practical, hopeful plan for avoiding it. Writing from the front lines of extinction research, Barnosky tells the overarching story of geologic and evolutionary history and how it informs the way humans inhabit, exploit, and impact Earth today. He presents compelling evidence that unless we rethink...

"Explore your own backyard with Crinkleroot as he shows you how to protect the natural world around us"--Jacket.

The bears in Bear Country grow concerned about how pollution and waste of natural resources are damaging the world around them, so they form The Earthsavers Club.

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When Emily makes a wish on a magic stone, she gets a glimpse of what the future holds--and it's a disaster! She tries to make things right, but each trip through time takes Emily to a future where things turn out badly for either the humans of Brightport or the merpeople of Shiprock. Plastic pollutes the ocean, garbage overflows the landfills, and the two towns are no longer getting along. Emily realizes she can't save her hometown and the ocean alone,...

Ace and Bub stand up to nearsighted Captain Jo Jo and his crew of moles, who are stealing dirt from Beaver Island to make their own island home bigger.