68.25 Lei 80.29 Lei
sau 6825 de puncte. Detalii.
An aparitie: 2009
Autor: Jeanne M Nagle
Editura: INGRAM INTERNATIONAL INC
Format: 236 x 178 x 4 mm
Nr. pagini: 64
The worlds wildlife is vanishing at an alarming rate. Scientists at the Nature Conservancy and the World Wildlife Federation estimate that one in four mammals, and a full third of Earths amphibians are in danger of becoming extinct. Today species are becoming extinct at a rate that is anywhere from 1 to 1, times faster than normal. People have been in fierce competition with wild animals for land, food, and natural resources for years. When over-hunting and fishing of species and a rise in the level of pollution is added to this mix, humans come to represent the single gravest threat to wildlife survival. Any species that disappears leaves a hole in the web of life. Mass extinction would leave so many holes that the web might totally fall apart. Humans must realize the important role wildlife plays in the survival of the planet and reverse the damagebefore its too late.
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