With the CampStove from BIOLITE, you can warm your hands on the same fire that charges your phone. The 33-ounce thermoelectric gadget needs no gas. Just stuff in some twigs, set 'em on fire, and plug in. $130

A splash of water can make a smartphone dumb. Keep yours high and dry by strapping it into the nylon ProCase by T-REIGN. The rugged cocoon is made via a zero-waste manufacturing process. $35

The Guide 10 Plus Adventure Kit from GOAL ZERO charges your phone (or tablet) anytime the sun shines. After dark, juice up with the kit's four rechargeable batteries--they come in a pack that doubles as an LED flashlight. $120

The slim, stylish, and biodegradable Interchangeable iPhone 5 Case from INNOVEZ sports two layers of buffering to prevent an early death knell for your cell. The company makes biodegradable cases for all versions of the iPhone. $25

Whether you're pumping reggae or Rachmaninoff, the durable Zion In-Ear Headphones from HOUSE OF MARLEY keep the bass deep and the beats clean. The earbuds are made from sustainable wood and recyclable aluminum. HOM donates 5 percent of its profits to 1Love, which funds green initiatives. $100

• May/June 2013

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