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- 1From:The Gale Encyclopedia of Science (Vol. 6. 6th ed.)Natural resources, unlike human-made resources, exist independently of human labor. These resources are limited and must be used with care. Some natural resources are called fund resources because they can be exhausted...
- 2From:The Gale Encyclopedia of Science (Vol. 4. 6th ed.)The number of human beings on Earth has increased greatly during the past few thousand years but especially during the last two centuries. From 1850 to 1950, the human population doubled, from 1.265 billion to 2.516...
- 3From:The Gale Encyclopedia of Science (Vol. 6. 6th ed.)The number of humans on Earth has increased dramatically during the past several millennia but especially during the past two centuries. By the end of the twentieth century, the global population of humans reached...
- 4From:The Gale Encyclopedia of Science (Vol. 3. 6th ed.)Growth and decay refers to a class of problems in mathematics that can be modeled or explained using increasing or decreasing sequences (also called series). A sequence is a series of numbers, or terms, in which each...
- 5From:The Gale Encyclopedia of Science (Vol. 6. 6th ed.)Population geography is a subset of human geography that studies the spatial distribution and density of people. Population geographers scientifically analyze population growth, distribution, and composition, which...
- 6From:Development and Globalization: Facts and Figures 2012There is considerable variation among SIDS regarding their total population (1), urbanization, population growth, migration and age structures. The most homogenous group are the Caribbean SIDS, which tend to have older...
- 7From:World Economic OutlookDespite the acceleration in population aging in almost all advanced economies over the past decade, aggregate labor force participation rates show divergent trajectories. Headline numbers also hide strikingly different...
- 8From:World Health Statistics 2008Demographic and socioeconomic statistics Member State Population (a) Median Under Total age 15 Over 60 ('000s) (years) (%) (%) 2006 2006 2006 2006 Afghanistan 26 088 16 47 4 Albania 3 172 29 26 13 Algeria 33 351 24 29 7...
- 9From:The World Health ReportAnnex Table 1 Basic indicators for all Member States These figures were produced by WHO using the best available evidence. They are not necessarily the official statistics of Member States. POPULATION ESTIMATES Member...
- 10From:Congressional Research Service (CRS) Reports and Issue BriefsUpdated June 6, 2006 Summary Since 1965, United States policy has supported international population planning based on principles of volunteerism and informed choice that gives participants access to information...
- 11From:World Health Statistics 2009Demographic and socioeconomic factors are major determinants of health. As fertility declines, income rises, populations age and become more urbanized, and epidemiological profiles also shift, with an increasing share...
- 12From:Congressional Research Service (CRS) Reports and Issue BriefsUpdated May 5, 2006 The Changing Demographic Profile of the United States Summary The United States, the third most populous country globally, accounts for about 4.6% of the world's population. Within the next...
- 13From:Congressional Research Service (CRS) Reports and Issue BriefsUpdated June 7, 2006 Summary The United States, the third most populous country globally, accounts for about 4.6% of the world's population. Within the next few years, the U.S. population--currently estimated at...
- 14From:WHO Technical Report Series5. Social drivers of infectious diseases of poverty 5.1 Poverty Poverty is associated with many forms of vulnerability (124), both related to and arising from disease. Most of the burden of adverse environmental...
- 15From:Report by: U.S. Department of EducationIn 2003, there were 4.4 million American Indians/Alaska Natives in the United States, representing 1.5 percent of the total U.S. population. In 2003, 4.4 million persons living in the United States were American...