Read up! It's good for you.

Below are the resources for the interactive you can watch here. Spend some time... I've done the searching, you just have to do the reading :)

Avatars Consume as Much Energy as Brazillians. http://www.roughtype.com/archives/2006/12/avatars_consume.php

Abraham Lincoln and CO2 Emissions.
Yes, the Internet consumes a lot of energy, but in this post the author examines the positive impact the Internet has had on carbon emissions, mainly that of allowing people to telecommute and to do research without traveling to far away places.

Greening the Internet: How much CO2 does this article produce?
This article estimates the broader affect that web browsing has on the environment. Every second spent on the Internet generates 20 milligrams of CO2. Offsetting our carbon use online may be the best solution.

5Across: Environmental impact of newspapers, books, e-waste.
As the publishing industry becomes more eco-friendly, it may end up being more environmentally friendly than the Internet, with the use of recycled paper and soy inks.

Revealed: The Environmental Impact of Google Searches.
This recent article reports that conducting 2 Google search queries generates the same amount of electricity as does boiling a kettle, which equals about 7g of CO2. All those tweets are having an impact, too.

What is the environmental impact of the Internet?
Most computers general between 40-80g of CO2 per hour in electricity use. This article attempts to make people aware that the Internet is not carbon neutral and that using it does have an impact on the environment.

http://www.transitionnetwork.org

http://motherjones.com/environment/2007/03/iwaste

http://www.americainfra.com/news/powering-online-obsession/

http://www.guardian.co.uk/technology/2009/may/03/internet-carbon-footprint