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Macmillan Childrens Publishing Group

Elizabeth A. Hadly

Elizabeth A. Hadly
(c) Emma and Clara Barnosky

ELIZABETH A. HADLY holds the Paul S. and Billie Achilles Professorship of Environmental Biology at Stanford University. She has spent more than 25 years studying environmental change in landscapes all over the world, conducting primary research on how living and fossil species can reveal the ways in which current human impacts are influencing ecological systems.

Elizabeth A. Hadly

Tipping Point for Planet Earth

Tipping Point for Planet Earth

Anthony D. Barnosky & Elizabeth A. Hadly
St. Martin's Publishing Group
Thomas Dunne Books

Four people are born every second of every day. Conservative estimates suggest that there will be 10 billion people on Earth by 2050. That is billions more than the natural resources of our planet...

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