Writing faster web pages is great for your users, which in turn is great for you and your company. But it's better for everyone else on the planet, too.

An excellent example of how careful and considerate work in the design of a website has ripple effects across the user experience, CO2 savings, the web host's bottom line in terms of electrical bills, and ease of maintenance for the developers and administrators.

Steve (creator of YSlow) uses Wikipedia to illustrate how much energy they could save by adopting some best practices with some pretty convincing results.

Via: Ajaxian