I guess that's all you can do is be thoughtful in your decisions. Humans will always be detrimental to their environmentsl, but as a personal consumer I try to do it in the most efficient way.  
 
In the grand scheme of things I don't think my grandkids will blame me and my fish tank for destroying the oceans, so I don't think it's a huge impact and the more we push for sustainable caught fish/corals or even better bred fish/corals, properly mined rock, more power efficient equipment the less impact we will have. Also frag swaps and buying locally have got to be more utilized, why don't we have a Canadian MACNA!!! 
		
	
		
		
		
		
		
	
		
		
	
	
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