This edition’s articles focus on solar powered batteries, green gadgets and innovative electricity monitors and AC systems.

Solar powered AA Battery Charger
Rechargable batteries are a great invention, but if you dont have an outlet nearby to charge them, they are usless. So I designed a solar powered battery charger, which allows you enough power to charge a single AA battery wherever the sun may shine…
http://www.instructables.com/id/Solar_powered_AA_Battery_Charger/

Home Made Solar Powered Batteries
This is a fantastic idea: When your batteries go flat, pull them out and toss them into a sunny corner. A little while later, they’re charged. This is the promise of the SunCat solar powered batteries: “The batteries should just bask in the sun like a cat and left for a while, in a sunny window, they would slowly recharge.”…
http://blog.wired.com/gadgets/2009/03/home-made-solar.html

Blue Line PowerCost Electricity Monitor
The Blue Line PowerCost electricity monitor from Blue Line Innovations is a wireless device that delivers real-time direct feedback on home electricity usage…
http://reducehomewaste.com/blue-line-powercost-electricity-monitor/

Tweet-A-Watt Wins Greener Gadget Competition
Chosen by the audience at the Greener Gadgets conference in New York City, the winner of the design competition was the Tweet A Watt, a modified Kill A Watt power monitor that sends a user’s daily power consumption - and their power use goal - out through Twitter. Along with providing constant monitoring of how much electricity a user is consuming, it also puts their energy use out in the open for their friends and others to see, providing incentive to use less energy, and encouraging others to do the same…
http://www.greenerdesign.com/blog/2009/03/02/tweet-a-watt-wins-greener-gadget-competition

Samsung Blue Earth Eco-Phone
Samsung have announced an eco-friendly mobile phone that has been made from a recycled plastic called PCM, which is recycled from plastic water bottles…
http://www.envirogadget.com/solar-powered/samsung-blue-earth-eco-phone/

Coolerado Cooling: A High Efficiency AC System
A Colorado company is receiving lots of attention these days for its innovative approach to air conditioning…
http://www.matternetwork.com/2009/3/coolerado-cooling-high-efficiency-ac_360.cfm