Your Android phone can be a powerful device, the downside of which means that it can eat up a lot of energy and run out of power quickly. However, there are ways to minimize your power usage without limiting your Android's capabilities. We'll show you some easy ways to

extend your Android's battery

and monitor what uses your power in this tutorial.

In this last part of our series we'll show you some

power saving strategies

for your

Windows Phone 7 device

. There are a number of ways you can

extend battery life

and we'll show you a few of them, including

turning off Wi-Fi or Bluetooth

, adjusting your brightness settings or changing your email retrieval settings.

If you find that your Android's battery doesn't last long enough, then you should try using the

Tasker app for Android

. This application lets you

create power-saving profiles

to

cut down on power usage

during certain situations. We show you

how to use Tasker

to

maximize your Android's battery life

in this tutorial.

Most of us who have

cell phones

don't even bother to think about the features that are active all the time that we don't even use or aren't using at the time. By

turning off Wi-Fi, Bluetooth

and such when they are not in use, you can effectively

extend your battery life

and

save power

at the same time. We give you some

Android power-saving

tips in this tutorial.

While great strides have been made in PC energy efficiency, your lowly PC is still a strain on the grid your pocket if you accidentally leave it running all hours of the day. PC Auto Shutdown will step up to turn off your PC when you forget to.

You may not be quite ready to install solar panels and wind turbine power generators on your roof, but at least you can get your personal devices and pocket-sized gadgets off the grid. In this last episode in our Earth Week 2009 series, Stacy Reed looks at solar chargers, energy usage monitors and more.

In honor of Earth Week, Stacy Reed continues the Green Computing series with a look at some of her favorite green-themed blogs. These blogs offer everything from insight into minimizing our respective environmental impact to delicious organic recipes and everything in between.

We're all trying to do our part to minimize our collective footprint on the Earth. These green-friendly web sites help in tracking your carbon footprint, energy usage and overall impact on the earth. Whether you're an individual trying to figure out how much energy you're using or you represent a multi-national company, here are some simple tips that can help us all to chip in.

Computers use a lot of power. You can make your own computer as energy efficient as possible using these simple software tools. Windows XP and Vista (as well as Mac OSX and open source alternatives not covered here) include power management software. The programs we look at here go much further and allow you to fine-tune your computer's power management strategy. You'll save money on your energy bills and, more importantly, you'll be working toward minimizing your computer's impact on Mother Earth.

Using both the sun and the wind to charge your gadgets, miniWIZ has a great solution for portable power generation without generating waste.

We're all trying to be at least a little more energy efficient and energy conscious. P3 International with its Kill-a-Watt line of power monitors and timers makes it easy. With these devices you can get an idea of how much power a device or set-up in your home costs and also power down or power up at a set time.