I was just over at Designerscouch.org and saw something that blew my mind.

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I’m usually not much of a fan of concept art – but this isn’t concept art for the sake of being pretty, or an illustration of some wacky technology that has yet to be invented, but rather an idea for Coca-Cola and other soft-drink companies to save money and the environment at the same time.
The bottles take up a lot less space, four each four bottles there is now room for two more. Which, if you look at the shipping containers, means there’s room for 3949 more bottles per container!

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Now so far, most of us could’ve thought of it. Square packages are the most space-efficient packages there are. But the real benefit of these packages is that once they’re empty, they can be collapsed really easily, like this:

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Ta-dah! You have made recycling a lot easier.
The article can be found here:A square Coke is a greener Coke.