Resultados para "Peligro" en Mundial

Our insatiable demand for animals - for jewelry, pets, medicine, meat, trophies, and fur - is driving a worldwide poaching epidemic, threatening the continued existence of countless species. Rachel Nuwer, an award-winning science journalist with a background in ecology, takes listeners on a narrative journey to the front lines of the trade: to killing fields in Africa, traditional medicine black markets in China, and wild meat restaurants in Vietnam. Through exhaustive first-hand reporting that took her to 10 countries, Nuwer explores the forces currently driving the demand.

Beavers, those icons of industriousness, have been gnawing down trees, building dams, shaping the land, and creating critical habitat in North America for at least a million years. Once one of the continent's most ubiquitous mammals, they ranged from the Atlantic to the Pacific, and from the Rio Grande to the edge of the northern tundra. Wherever there was wood and water, there were beavers - 60 million (or more) - and wherever there were beavers, there were intricate natural communities that depended on their activities.

Ivory's Ghosts is the first comprehensive, contemporary look at the world's most treasured organic material, ivory. Using a wide range of historical and firsthand reportage, John Frederick Walker tells the astonishing and sometimes savage story of ivory's enormous impact on both human history and that of its most important source: the majestic African elephant.