Ever gone for a long bike ride in unfamiliar territory? Probably used your phone's GPS to help navigate, right? Convenient. However, that also makes running out of juice more than just a small annoyance. Siva Cycle's Atom might just solve that, and a host of other battery issues for the tech-bound biker.

Amazon will sell you just about anything through its subsidiaries, and now it's adding a new site targeted specifically at a wide swath of dirty hippies environmentally-minded citizens.

The guys at Re-Char, a small startup that makes carbon-negative products, were faced with a problem. They wanted to ship products to Kenya, but the options available were wasteful, costly, and not nearly as efficient as simply manufacturing near to the customers. To do it, in a place with little industry or…

This week we talk about how to return to a low-tech life to keep your sanity, 11 awesome modular gadget designs, a wheatgrass-growing "bio computer" and more!

This week on TreeHugger, build a solar-powered cigar box amp, giant lilypads take over waterways, our favorite Star Wars-themed posts, and more!

This week on TreeHugger, spectacular robots made from broken computers, high-tech concepts for cleaning up space junk, trash bins that text, a bike-horn-turned-iPhone speaker, and more!

This week, an old NES console gets new life as a rewired alarm clock, self-directed gardening robots to hit Maker Faire, and more!

This week on TreeHugger, an awesome arcade built in an auto parts shop, learn how to make your own self-balancing scooter, a great electricity-free iPad speaker design, and more!

This week we share our Best of Green Awards winners for technology, teach you to make heat-blocking curtains for $6, give you two iPhone repair tips, and more!

This week on TreeHugger, we round up the best tech stories from March, teach you to make a remote that will turn off all the TVs in Best Buy, turn a vintage camera into an iPhone stand, and more!