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When the wolves returned: restoring nature's balance in Yellowstone
By Dorothy Hinshaw Patent. 2008
Describes the change in the balance of nature in Yellowstone National Park after the disappearance of wolves, including an increase…
in the elk and coyote populations. Gives the reasons that wolves were brought back and explains the resulting benefits to the park. For grades 2-4. 2008Discusses the climate crisis and explains changes occurring in Earth's weather, temperatures, and water levels. Examines the impact of global…
warming, greenhouse gases, and technology's side effects on hurricanes, polar caps, and the spread of disease. Calls for scientific action to counter the problem. For grades 4-7. 2007Hurricane Katrina: aftermath of disaster (Snapshots in history)
By Katie Van Sluys, Barb Palser, Michael Perlstein. 2007
Traces the path of the worst natural disaster in U.S. history, Hurricane Katrina, which hit the Gulf Coast in August…
2005. Describes the devastation caused by the storm and people's responses, including relief efforts by organizations and individual acts of heroism. For grades 6-9. 2007Chasing tornadoes
By Laurie Lindop. 2003
Explains the formation of tornadoes and the science of forecasting their arrival. Discusses the contributions of "storm chasers," who conduct…
experiments from airplanes and ground vehicles in the section of the midwestern United States known as Tornado Alley. Features scientist Ted Fujita and his rating scale. For grades 5-8. 2003Dinosaur tracks (Let's-read-and-find-out Science 2 Ser.)
By Kathleen Weidner Zoehfeld. 2007
Explains that fossils of dinosaur footprints found today are the result of tracks made and preserved millions of years ago.…
Includes an activity for making your own fossil handprints or footprints. For grades 2-4. 2007Probing volcanoes
By Laurie Lindop. 2003
Examines the work of volcanologists, focusing on geological discoveries and eruption predictions. Discusses safety issues, instruments, and technological developments in…
the field, including the use of robots. Features Mount Pinatubo in the Philippines, Mount St. Helens in Washington state, and Hawaii's Kilauea volcano. For grades 5-8. 2003The deep-sea floor
By Sneed B Collard. 2003
Buffalo: Natural History And Conservation (WorldLife library)
By Harold D Picton. 2005
Traces the natural history of the North American plains and wood bison. Covers their origins, physical characteristics, behavior, and life…
cycle as well as folklore about them. Explains their near extinction and the successful conservation efforts that developed modern herds. For grades 6-9. 2005Geysers: what they are and how they work
By T. Scott Bryan. 2005
Geologist explains the hot water and vapor eruptions called geysers and their locations, characteristics, and behaviors. Discusses natural and human…
forces that change their activity. Includes a list of geyser fields by geographic area. For grades 6-9 and older readers. 2005Conservation canines: how dogs work for the environment (Orca wild #07)
By Isabelle Groc. 2021
The author examines the lives of dogs who work with humans to find new ways to solve environmental problems. Includes…
stories of dog encounters in the field and examples of canines working to sniff out poisons and invasive species. For grades 4-7. 2021Penguins swim but don't get wet: and other amazing facts about polar animals (Speedy facts)
By Melvin Berger. 2004
Discusses the Arctic and Antarctic regions of Earth and states interesting facts about creatures living there, including polar bears, reindeer,…
wolves, whales, seals, walruses, birds, and penguins. For grades 2-4. 2004Snakes!: strange and wonderful (Strange And Wonderful Ser.)
By Laurence Pringle. 2004
An overview of snakes' physical characteristics and behavior patterns. Explains how snakes see, smell, reproduce, and kill their prey and…
eat it. Discusses the movement of different varieties--on the ground, in trees, under water, and through the air. For grades 3-6. 2004Secrets of the Sphinx
By James Giblin. 2004
Presents the probable history of the five-thousand-year-old Great Sphinx, the enormous sculpture of a pharoah's head on a lion's body…
that lies near the three pyramids of Giza at Cairo, Egypt. Discusses the difficulties of protecting this stone monument from air pollution. For grades 4-7 and older readers. 2004Lizards: weird and wonderful
By Margery Facklam. 2003
Introduces thirteen remarkable lizards from the Komodo dragon and marine iguana to the glass snake and Gila monster. Presents facts…
and true stories about each. Also provides tips on how to tell the difference between lizards and similar reptiles. For grades 3-6. 2003The bald eagle (Returning Wildlife Ser.returning Wildlife)
By John E Becker. 2002
Wild turkeys (Returning Wildlife Ser.)
By John E Becker. 2003
The North American beaver (Returning Wildlife Ser.returning Wildlife)
By John E Becker. 2002
Discusses the history of beaver trapping and the fur trade, the near extinction of the species, and reintroduction efforts leading…
to the beaver's comeback. Also describes the animal's habits and habitat. For grades 4-7. 2002Manatees (Returning Wildlife Ser.)
By John E Becker. 2003
Describes the physical characteristics, behavior, and history of the manatee, an endangered marine mammal that is found in the Americas…
and Africa. Discusses attempts to ensure the survival of this species in the natural world. For grades 4-7. 2003The North American bison
By John E Becker. 2003
Discusses the history of this woolly, horned mammal, including its near extinction in the 1870s when federal troops slaughtered bison…
herds to help defeat Native American tribes that were dependent on them for survival. Also relates later governmental and other efforts to preserve the species. For grades 4-7. 2003