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Results tagged with Search options user 212

Referring to the surrounding ecosystem of the planet Earth, its natural mechanisms and balances, and study of the effects of human interaction with it.

11
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2answers
polluting (or otherwise "environmentally expensive" products, so their price will include the cost of the product to the environment. I want to know if there's been places where such taxes actually helped …
asked Apr 19 '11 by Ophir Yoktan
10
votes
From The History of Cancer Oldest descriptions of cancer Human beings have had cancer throughout recorded history. So it is no surprise that from the dawn of history people have written abou …
answered Mar 21 '11 by Ophir Yoktan