Historical Reprints Science EARTH AS MODIFIED BY HUMAN ACTION

EARTH AS MODIFIED BY HUMAN ACTION

EARTH AS MODIFIED BY HUMAN ACTION
Catalog # SKU0973
Publisher TGS Publishing
Weight 2.00 lbs
Author Name George P. Marsh
 
$24.95
Quantity

Description

THE EARTH
AS MODIFIED BY
HUMAN ACTION


by GEORGE P. MARSH
(1874)


A NEW EDITION
OF MAN AND NATURE

A valuable research effort from 1874. Had the people of earth heeded it's revelations would our planet be ailing from human destruction today? George P. Marsh offers an object, fair, and balanced look at how mankind is destroying the planet and how man has benefitted the planet. Nearly 500 pages and heavily documented with over 640 footnotes. This is one of the early books published on 'greening' the earth and making our planet sustainable. An environmentalist's resource!

Excerpt:

The object of the present volume is: to indicate the character and, approximately, the extent of the changes produced by human action in the physical conditions of the globe we inhabit; to point out the dangers of imprudence and the necessity of caution in all operations which, on a large scale, interfere with the spontaneous arrangements of the organic or the inorganic world; to suggest the possibility and the importance of the restoration of disturbed harmonies and the material improvement of waste and exhausted regions; and, incidentally, to illustrate the doctrine that man is, in both kind and degree, a power of a higher order than any of the other forms of animated life, which, like him, are nourished at the table of bounteous nature.

In the rudest stages of life, man depends upon spontaneous animal and vegetable growth for food and clothing, and his consumption of such products consequently diminishes the numerical abundance of the species which serve his uses. At more advanced periods, he protects and propagates certain esculent vegetables and certain fowls and quadrupeds, and, at the same time, wars upon rival organisms which prey upon these objects of his care or obstruct the increase of their numbers. Hence the action of man upon the organic world tends to derange its original balances, and while it reduces the numbers of some species, or even extirpates them altogether, it multiplies other forms of animal and vegetable life.

The extension of agricultural and pastoral industry involves an enlargement of the sphere of man's domain, by encroachment upon the forests which once covered the greater part of the earth's surface otherwise adapted to his occupation. The felling of the woods has been attended with momentous consequences to the drainage of the soil, to the external configuration of its surface, and probably, also, to local climate; and the importance of human life as a transforming power is, perhaps, more clearly demonstrable in the influence man has thus exerted upon superficial geography than in any other result of his material effort.

Lands won from the woods must be both drained and irrigated; river-banks and maritime coasts must be secured by means of artificial bulwarks against inundation by inland and by ocean floods; and the needs of commerce require the improvement of natural and the construction of artificial channels of navigation. Thus man is compelled to extend over the unstable waters the empire he had already founded upon the solid land.


Paperback, 5 x 8, 490+ pages

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