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!

This week on TreeHugger we have robotic cheetahs, solar backpacks, doggie vacation rentals, penny-sized flying robots and more!

This week on TreeHugger, amazing animal sculptures made from CDs, DIY solar power packs for gadgets, an app for driving that will save you fuel, and more!

This week, autonomous robots, tweeting birdhouses, steampunk iPhone speakers, and more!

This week on TreeHugger, 3D printers go on a road trip, tiny modular gadgets set to revolutionize electronics, watch a bike decompose on a NYC street, and more!

This week on TreeHugger, top gadget projects for you to try, the world's largest Google Earth display uses 48 screens, Reddit using crowd-sourcing to help animals, and more!

This week, building your own earthquake sensor, turning trash into speakers, hacking Minecraft to include carbon emissions, treadmill conference rooms and more.

This week on TreeHugger, inflatable robots, building the perfect utility bike, crashed cars turned into furniture, and more!

This week on TreeHugger, a giant robotic snake teaches us a lesson about climate change, a walkable roller coaster, new iPhone apps to try, and more!

This week on TreeHugger, gorgeous OLED light looks like a mobile, computer-planter hybrid makes for an interesting office space, cycle while at your desk with the FitDesk and more.

This week on TreeHugger, build your own solar generator on wheels, spider robots to the rescue, a new open hardware journal launches, inflatable solar LED light design, and more!