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4 days ago · Distortions and deficiencies increase the likelihood of noise on the line. While representative observations might permit a reasonable inference, one-off factoids are the shifting sands of spurious correlation. Malthusian demographics are for that reason a waste. Malthus based his theory on the exception rather than the rule.
3 days ago · Overview map of the peopling of the world by early humans during the Upper Paleolithic, following the Southern Dispersal paradigm. The so-called " recent dispersal " of modern humans took place about 70–50,000 years ago.
4 days ago · Climate change - Human Impact, Causes, Effects: The history of humanity—from the initial appearance of genus Homo over 2,000,000 years ago to the advent and expansion of the modern human species (Homo sapiens) beginning some 150,000 years ago—is integrally linked to climate variation and change.
17 hours ago · Human history is the development of humankind from prehistory to the present, understood through the study of written records, archaeology, anthropology, genetics, linguistics, and other forms of evidence. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.
3 days ago · Population change in LEDCs. The populations of most less economically developed countries (LEDCs) are growing very rapidly. Most are at stage 2 and 3 of the Demographic Transition Model. They have declining deaths rates and high birth rates. Therefore, natural increase is high.
4 days ago · In Study Session 1 you learned about the major impacts of human activity on the environment. These impacts are inevitably linked to the number of people living on the Earth. Human population growth affects all people around the world through its impact on the economy, the environment, and the systems that support life.
4 days ago · Climate change - Human Impact, Global Warming, Carbon Emissions: Human societies have experienced climate change since the development of agriculture some 10,000 years ago. These climate changes have often had profound effects on human cultures and societies.
