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Once and Future Giants
Until about 13,000 years ago, North America was home to a menagerie of massive mammals. Mammoths, camels, and lions walked the ground that has become Wilshire Boulevard in Los Angeles and foraged on the marsh land now buried beneath Chicago's streets. Then, just as the first humans reached the Americas, these Ice Age giants vanished forever. In Once and Future Giants, science writer Sharon Levy digs through the evidence surrounding Pleistocene large animal ("megafauna") extinction events worldwide, showing that understanding this history--and our part in it--is crucial for protecting the elephants, polar bears, and other great creatures at risk today. These surviving relatives of the Ice Age beasts now face the threat of another great die-off, as our species usurps the planet's last wild places while driving a warming trend more extreme than any in mammalian history. Deftly navigating competing theories and emerging evidence, Once and Future Giants examines the extent of human influence on megafauna extinctions past and present, and explores innovative conservation efforts around the globe. The key to modern-day conservation, Levy suggests, may lie fossilized right under our feet.
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The 2010 Pakistan Floods: Environmental and Economic Impact
Pakistan is a developing country of the Monsoon Asia with dense concentration of population in the plain areas of the Indus and other rivers. Due to its unique geographical setting, it is prone to various natural disasters including floods. There is a whole trail of death and destruction left behind by devastating floods. But, the 2010 floods in the country were unprecedented because of their vast areal coverage, loss of thousands of lives and large-scale destruction. This study is an analysis of the impact of the 2010 floods on the environment and economy of Pakistan. The study begins with the environmental characteristics of the study area to understand the drainage, water availability and...
