These rain chains are not eco-friendly on their own but they are a great way to beautify your water harvesting system using this ancient Japanese links. Use rain chains in lieu of traditional down spouts and have them divert rainwater into your rain barrel, or underground water tank. By harvesting rainwater you can greatly reduce you conventional water consumption, and with rain chains you can do it in style.
A rain chain in action:







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Here in sweden were I live we have a problem around curches with copper roofs. The plants around them die. As you might now you can use a littel copper spiral as a birthcontrol thingie. The egg and spirm can not grow in an enivironment with copper.
Copper is pretty toxic if it is placed in the right (wrong) place.
Just a thought about the eco-friendliness.
But anyway everything is harming and building this earth so I dont wanna be an inspration killer:)
Saw this, thinking of PET bottles instead of copper….
[...] Natural Light. Sunpipes are cropping up everywhere, and no wonder – they’re a brilliant idea (excuse the pun). But they’re just the start. For example, look at what Parans is doing with fiberoptics, feeding natural light all around the home (see more over at Treehugger). Image: greenUPGRADER [...]