Use a Laptop Instead of a Desktop
If you have the choice between powering up your desktop or a laptop, choose the latter. Also, when it’s time to upgrade to a new computer, think laptop.
Laptop computers draw only 15 to 25 watts during regular use, as compared to the 150 watts used by a conventional desktop computer and monitor. Plus, laptops also draw just a fraction of a watt when in sleep mode. by Alida Pollard, Thornton, TX