http://www.scientificamerican.com/article.cfm?id=gold-is-new-threat-to-amazon
http://www.huffingtonpost.com/2011/06/12/amazon-gold-rush-peru-rain-forest_n_875482.html
The invisible hand of the market has no morals, it would fist-rape us all in the name of profit.
True, which is why good regulations are based around making destroying the environment less profitable than sustainable business plans - sometimes through simply banning it, more often through incentivising 'doing it properly'. Also, the market responds entirely to the wishes of consumers, and if consumers will prefer goods made in a sustainable way (as the trend seems to be) then corporations will have to change to making their goods in this manner or be edged out.
(though I wouldn't mind spending a month or two living in the jungle like Bruce Parry, maybe when my daughter is grown up, if there are peoples who live there left or if there is any rainforest left).
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Jungles are horrible places, take it from me. The only good thing about them is Gurkha curry and a cold beer in the evening, and you won't get any of that living with the Flintstones.