Best Portable iPod & MP3 Speakers

Best Portable iPod & MP3 Speakers

A few months ago, MetaEfficient profiled an energy efficient home speaker system for the iPod. But what if you want to bring your music with you on the go – and share it outside your headphones? You’ll need a set of portable speakers that are just as mobile as your MP3 player. Following are six […]

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Update: Bank Of America Tower, Greenest Skyscraper In The U.S.

Bank of America Tower

A while back, MetaEfficient profiled what could be the greenest skyscraper in America, the Bank of America Tower in New York City. Located in midtown Manhattan at One Bryant Park, the 945-foot tall, 55-story structure is scheduled to open later this year. Here’s a closer look at some of the groundbreaking features that should help […]

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HippoRoller Water Carrier – Simple Efficiency With A Far-Reaching Payoff

HippoRoller Water Carrier (photo: HippoRoller.org)

Water is an immediate, fundamental need for human survival, but one in six people worldwide don’t have immediate access to water resources, particularly in arid regions of southern Africa. The HippoRoller is a deceptively efficient water carrier with the potential to offer huge health, economic, and social benefits to developing communities.

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Old Running Shoes Never Die – But Brooks BioMoGo Really Does Fade Away

Brooks Trance With Biodegradable BioMoGo (photo: Brooks Sports, Inc.)

A critical aspect of a product’s “efficiency” involves not just what it does, but also where it comes from and where it goes after its useful life. Brooks has taken an innovative step to improve the life-cycle efficiency of its running shoes with its biodegradable BioMoGo cushioning material.

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