Earlier in the month we spotlighted IBM.com. This time it's Dell.com's turn.

Visitors can take a couple of routes to the company's green initiatives. There's the press and investor-focused page that contains links to its manufacturing and energy efficiency policies. You can also find details on the free recycling program (some other computer makers charge for the service) and a FAQ that answers some pretty basic questions.

But you want some high-falutin' Flash with your eco-education. Fine. For that, head to Dell Earth which is filled with a smattering of feel-good verbiage and swank transitions. The fun really starts when you hit the energy calculators and see how much using the power-saving features on a Dell system can take a chunk off your energy bill and prevent CO2 emissions. Also interesting are the counters at the bottom that reflect how much customers are saving (over $1.3 billion as of today) and how many tons of CO2 emissions didn't escape into the atmosphere (12 million).

IT mavens will want to check out the interactive Datacenter Capacity Planner. Available in web-based or downloadable forms, you can drag and drop servers, storage and peripherals onto a rack and get an estimate of your desired setup's power draw (among other stats). Go nuts!