On the eve of New Years Day, it's time to take stock of how energy efficiency and sustainability became a prime consideration for IT shops. In no particular order, here are my choices for the top posts this year.

Many are IT related, while some are noteworthy or somehow impact the way we'll be generating power for those servers and PCs in the years to come.

IBM's Project Big Green

Google Aims for "Cheaper Than Coal"

Gore, UN Climate Panel Get Nobel Nod

67,000 Servers Get a New Lease on Life

"Flow" for Green Routing

The Green Grid Gears Up

Nanosolar Ships, eBays Panels

Serving up Sites and Power

Google Solar Panel Project

Dell's Zero Carbon Initiative

And a bonus. The post that started it all...

freewatt Home Power Plant

Happy New Year!