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Marsh wrote the book in line with the view that human life and action is a transformative phenomenon, especially in relation to nature, and due to personal economic interests. He felt that men were too quick to lessen their sense of responsibility and he was "unwilling to leave the world worse than he found it". [4]
George Perkins Marsh was born in Woodstock, Vermont, to a prominent family.His father, Charles Marsh, had been a member of the U.S. House of Representatives.George Marsh graduated from Phillips Academy, Andover, Massachusetts, in 1816 and from Dartmouth College with highest honors in 1820 and taught at Norwich University the following year.
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
The study suggests it would be optimistic if 15% of females and 5% of males could live to 100 years old in most countries this century.
As well as the cost to human life and society, there is a significant environmental impact of war. Scorched earth methods during, or after war have been in use for much of recorded history but with modern technology war can cause a far greater devastation on the environment .
Assuming that the world population stabilizes at 10 billion and a life expectancy of 80 years, it can be estimated that the remaining 1140 billion humans will be born in 9120 years. Depending on the projection of the world population in the forthcoming centuries, estimates may vary, but the argument states that it is unlikely that more than 1.2 ...
This definition of immortality has been challenged in the Handbook of the Biology of Aging, [1] because the increase in rate of mortality as a function of chronological age may be negligible at extremely old ages, an idea referred to as the late-life mortality plateau. The rate of mortality may cease to increase in old age, but in most cases ...
The savannah hypothesis (or savanna hypothesis) is a hypothesis that human bipedalism evolved as a direct result of human ancestors' transition from an arboreal lifestyle to one on the savannas. According to the hypothesis, hominins left the woodlands that had previously been their natural habitat millions of years ago and adapted to their new ...