When large segments of populations are displaced by natural or man-made disasters, people become separated from time-honored roots of language, culture, and social bonds. ... He observed, "In a broader development perspective, environmental degradation appears as a proximate cause of migration, while the underlying factors are population pressures and patterns of resource use" (Surkhe, 1994). ... By 2050, he estimates, about 150 million people (1.5 percent of the total projected world population for that year) will be displaced by the effects of climate change, as sea levels rise, agricultural...

• Word Count: 2449
• Approx Pages: 10
• Has Bibliography
• Grade Level: Graduate

The Ice Age Twenty thousand years ago during the time of the last ice age period, many colossal mammals roamed North America. ... These large animals consisted of ground sloths and armadillos which came northward from South America, and horses, saber-toothed cats, mammoths, antelopes, and muskoxen that crossed over the land bridge from Asia into North America. ... Eleven thousand, years ago many Paleo Indians were able to cross the land bridge between Asia and North American which enabled them to populate North America. ... In many parts of North America archaeologists found larg...

• Word Count: 1766
• Approx Pages: 7
• Grade Level: High School